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KURIKI Ichiro
Mathematics, Electronics and Informatics DivisionProfessor
Department of Information and Computer Sciences

Researcher information

■ Degree
  • Ph.D., Tokyo Institute of Technology
    Mar. 1996
■ Research Keyword
  • color-vision mechanisms
  • functional brain imaging
  • representations of visual information in human brain
■ Field Of Study
  • Humanities & social sciences, Cognitive sciences
  • Humanities & social sciences, Experimental psychology, Psychophysics
  • Life sciences, Neuroscience - general, Functional Brain imaging
  • Informatics, Intelligent robotics
  • Informatics, Perceptual information processing
■ Career
  • Oct. 2024 - Present, Tohoku University, Advanced Institute for Convergence Knowledge Informatics, Visiting Professor, Japan
  • Apr. 2021 - Present, Saitama University, Graduate School of Science and Engineering, Professor, Japan
  • Apr. 2017 - Present, RIKEN, Center for Brain Science, Visiting Researcher, Japan
  • Apr. 2022 - Mar. 2023, Tohoku University, Advanced Institute for Yotta Informatics, Visiting Professor, Japan
  • Jan. 2006 - Mar. 2021, Tohoku University, Research Institute of Electrical Communication, Associate Professor, Japan
  • Apr. 2002 - Dec. 2005, Department of Information Physics, Tokyo Institute of Technology Graduate School, Visiting Associate Professor
  • Mar. 2001 - Dec. 2005, NTT Communication Science Laboratories, NTT Corp., Researcher
  • May 2000 - Feb. 2001, Japan Science and Technology Agency, Post Doctoral Fellow
  • Oct. 1999 - May 2000, Graduate School of Engineering, University of Tokyo, Research Associate
  • Apr. 1996 - Oct. 1999, Faculty of Engineering, Tokyo Institute of Technology, Research Associate
■ Educational Background
  • 26 Mar. 1996, Tokyo Institute of Technology, Graduate School, Division of Integrated Science and Engineering, Department of Intelligence Science, Japan
  • Sep. 1993 - Jul. 1994, University of California, San Diego, Graduate School, Department of Psychology, United States
  • 20 Mar. 1991, The University of Tokyo, Faculty of Engineering, Department of Mathematical Engineering and Information Physics, Japan
■ Member History
  • Apr. 2024 - Present
    Vision Society of Japan, Treasurer, Society
  • Dec. 2021 - Present
    Perception/i-Perception, Action Editor, Others
  • Sep. 2021 - Present
    Frontiers in Psychology, Associate Editor, Others
  • Mar. 2008 - Present
    VisionScience and Technology Consortium, organizer, Others
  • Jan. 2007 - Present
    VisionSociety of Japan, advisor, Society
  • Apr. 2012 - Mar. 2024
    Vision Society of Japan, journal (VISION) editor, Society
  • Apr. 2002 - Mar. 2022
    Optical Review, Topical Editor, Society
  • Apr. 2010 - Mar. 2012
    Japan Science and Technology Organization (JST), Center for Research & Development Strategy (CRDS), Visiting Fellow, Government
  • May 2009 - May 2011
    映像情報メディア学会 論文誌編集委員会, 部門委員, Society
  • May 2009 - May 2011
    Society
  • May 2011
    映像情報メディア学会, 本部評議員, Society
  • May 2011
    Society
  • May 2009 - Apr. 2011
    映像情報メディア学会, 東北支部庶務幹事, Society
  • May 2009 - Apr. 2011
    Society
  • Apr. 2006 - Mar. 2007
    Others
  • May 2006 - Sep. 2006
    日本光学会奨励賞審査委員会, 審査員, Society
  • May 2006 - Sep. 2006
    Society
  • Apr. 2002 - Mar. 2005
    Society
  • Jan. 1998 - Dec. 1999
    Optical Society of Japan, treasury, Society
■ Award
  • Dec. 2024, Human Communication 賞
    45551131
  • Jan. 2024, 日本視覚学会2024年冬季大会ベストプレゼンテーション賞
    45551131;36925902
  • 2022, 日本視覚学会2022年夏季大会ベストプレゼンテーション賞
    31353452
  • Sep. 2010, 2009年 日本感性工学会 優秀発表賞, 日本感性工学会
    International academic award, Japan
  • 26 Oct. 2007, 石田實記念財団 研究奨励賞, 財団法人 石田實記念財団
    Publisher, Japan
  • Mar. 2003, Best paper award of Japan Society of Applied Physics, 社団法人 応用物理学会
    Official journal, Japan
  • Jul. 1998, Best paper award of Illumination Engineering Society of Japan, 社団法人 照明学会
    Official journal, Japan

Performance information

■ Paper
  • Effects of inter-stimulus interval on the analysis of color representation in human visual cortex in functional MRI               
    Shunsuke Takano; Kenichi Ueno; Ichiro Kuriki
    VISION, Volume:37, Number:3, Jul. 2025, [Reviewed], [Last, Corresponding]
    English
    共同研究・競争的資金等ID:31353452
  • Task-dependent changes in cortical color representation measured by the functional MRI technique
    Ichiro Kuriki; Takato Arima; Shunsuke Takano; Kenichi Ueno
    Journal of the Optical Society of America A, Volume:42, Number:5, First page:B391, Last page:B391, Mar. 2025, [Reviewed], [Lead, Corresponding]
    Color perception has multiple aspects, such as categorical perception and the continuous perception of colors. Past studies on color information processing in the visual cortex have suggested that categorical color perception is processed mainly at higher-order visual areas, such as hV4 and VO, while more continuous color perception (color appearance) is considered to be processed in the early visual cortex, such as V1–3. The aim of this study is to report changes in cortical representation in the regions of interest in visual areas through the explicit manipulation of participants’ tasks using identical color stimuli. Our results showed that cortical activity patterns changed from the diverted attention condition when participants performed a color task. The difference was smaller in the early visual cortex during color appearance judgments than during the color category task but was significant in higher-order visual areas (V3, hV4, and VO1/2). The differences in cortical activity patterns were evaluated by direct comparisons between brain activities, and the differences between color appearance and categorization tasks were more pronounced in the anterior part of the ventral cortex. In summary, color representation at the earlier level of the visual cortex under diverted attention is more similar to that observed during the color appearance judgment, while color representation in higher-order visual areas changes more significantly from the diverted attention condition when conducting the color evaluation tasks.
    Optica Publishing Group, English, Scientific journal
    DOI:https://doi.org/10.1364/josaa.544578
    DOI ID:10.1364/josaa.544578, ISSN:1084-7529, eISSN:1520-8532, 共同研究・競争的資金等ID:31353452;46288895
  • Modeling the dynamics of contextual cueing effect by reinforcement learning.               
    Yasuhiro Hatori; Zheng-Xiong Yuan; Chia-Huei Tseng; Ichiro Kuriki; Satoshi Shioiri
    Journal of vision, Volume:24, Number:12, First page:11, Last page:11, Nov. 2024, [Reviewed], [International magazine]
    Humans use environmental context for facilitating object searches. The benefit of context for visual search requires learning. Modeling the learning process of context for efficient processing is vital to understanding visual function in everyday environments. We proposed a model that accounts for the contextual cueing effect, which refers to the learning effect of scene context to identify the location of a target item. The model extracted the global feature of a scene and gradually strengthened the relationship between the global feature and its target location with repeated observations. We compared the model and human performance with two visual search experiments (letter arrangements on a gray background or a natural scene). The proposed model successfully simulated the faster reduction of the number of saccades required before target detection for the natural scene background compared with the uniform gray background. We further tested whether the model replicated the known characteristics of the contextual cueing effect in terms of local learning around the target, the effect of the ratio of repeated and novel stimuli, and the superiority of natural scenes.
    English, Scientific journal
    DOI:https://doi.org/10.1167/jov.24.12.11
    DOI ID:10.1167/jov.24.12.11, PubMed ID:39560623
  • Increased Response to Luminance Motion after Prolonged Adaptation to Color Motion Observed in a Functional MRI Study               
    Kuriki I; Ren W; Koshizaka W; Matsumiya K; Shioiri S
    Interdisciplinary Information Sciences, Volume:30, Number:2, First page:129, Last page:142, Oct. 2024, [Reviewed]
    English, Scientific journal
    DOI:https://doi.org/10.4036/iis.2024.A.02
    DOI ID:10.4036/iis.2024.A.02
  • The Reality of a Head-Mounted Display (HMD) Environment Tested via Lightness Perception
    Ichiro Kuriki; Kazuki Sato; Satoshi Shioiri
    Journal of Imaging, Volume:10, Number:2, First page:36, Last page:36, Jan. 2024, [Lead, Corresponding]
    Head-mounted displays (HMDs) are becoming more and more popular as a device for displaying a virtual reality space, but how real are they? The present study attempted to quantitatively evaluate the degree of reality achieved with HMDs by using a perceptual phenomenon as a measure. Lightness constancy is an ability that is present in human visual perception, in which the perceived reflectance (i.e., the lightness) of objects appears to stay constant across illuminant changes. Studies on color/lightness constancy in humans have shown that the degree of constancy is high, in general, when real objects are used as stimuli. We asked participants to make lightness matches between two virtual environments with different illuminant intensities, as presented in an HMD. The participants’ matches showed a high degree of lightness constancy in the HMD; our results marked no less than 74.2% (84.8% at the maximum) in terms of the constancy index, whereas the average score on the computer screen was around 65%. The effect of head-tracking ability was confirmed by disabling that function, and the result showed a significant drop in the constancy index but that it was equally effective when the virtual environment was generated by replay motions. HMDs yield a realistic environment, with the extension of the visual scene being accompanied by head motions.
    MDPI AG, English, Scientific journal
    DOI:https://doi.org/10.3390/jimaging10020036
    DOI ID:10.3390/jimaging10020036, eISSN:2313-433X, 共同研究・競争的資金等ID:36925902;45551131
  • Different Mechanisms for Visual Attention at the Hand-movement Goal and Endogenous Visual Attention.               
    Wei Wu; Zhan Li; Takumi Miura; Yasuhiro Hatori; Chia-Huei Tseng; Ichiro Kuriki; Yoshiyuki Sato; Satoshi Shioiri
    Journal of cognitive neuroscience, Volume:35, Number:8, First page:1246, Last page:1261, Aug. 2023, [Reviewed], [International magazine]
    Visual perception is closely related to body movements and action, and it is known that processing visual stimuli is facilitated at the hand or at the hand-movement goal. Such facilitation suggests that there may be an attentional process associated with the hands or hand movements. To investigate the underlying mechanisms of visual attention at a hand-movement goal, we conducted two experiments to examine whether attention at the hand-movement goal is a process independent from endogenous attention. Endogenous attention is attention that is intentionally focused on a location, feature, or object. We controlled the hand-movement goal and endogenous attention separately to investigate the spatial profiles of the two types of attention. A visual target was presented either at the goal of hand movement (same condition) or at its opposite side (opposite condition) while steady-state visual-evoked potential (SSVEP) was used to estimate the spatial distributions of the facilitation effect from the 2 types of attention around the hand-movement goal and around the visual target through EEG. We estimated the spatial profile of attentional modulation for the hand-movement goal by taking the difference in SSVEP amplitude between conditions with and without hand movement, thereby obtaining the effect of visual endogenous attention alone. The results showed a peak at the hand-movement goal, independent of the location of the visual target where participants intentionally focused their attention (endogenous attention). We also found differences in the spatial extent of attentional modulation. Spatial tuning was narrow around the hand-movement goal (i.e., attentional facilitation only at the goal location) but was broadly tuned around the focus of endogenous attention (i.e., attentional facilitation spreading over adjacent stimulus locations), which was obtained from the condition without hand movement. These results suggest the existence of two separate mechanisms, one underlying the attention at the hand-movement goal and another underlying endogenous attention.
    English, Scientific journal
    DOI:https://doi.org/10.1162/jocn_a_02005
    DOI ID:10.1162/jocn_a_02005, PubMed ID:37172135
  • Cross-cultural comparison of lexical partitioning of color space
    Satoshi Shioiri; Rumi Tokunaga; Ichiro Kuriki
    Cross-Linguistic Studies, First page:41, Last page:62, Jul. 2023, [Reviewed]
    De Gruyter, In book
    DOI:https://doi.org/10.1515/9783110778946-004
    DOI ID:10.1515/9783110778946-004
  • Spatial extent of audiovisual cross-modal attention
    Satoshi Shioiri; Shin Ono; Wei Wei; Shuichi Sakamoto; Ryo Teraoka; Yoshiyuki Sato; Yasuhiro Hatori; Chia-huei Tseng; Ichiro Kuriki
    Journal of Vision, Volume:21, Number:9, First page:2189, Last page:2189, Sep. 2021, [Reviewed], [Corresponding]
    Association for Research in Vision and Ophthalmology (ARVO), Scientific journal
    DOI:https://doi.org/10.1167/jov.21.9.2189
    DOI ID:10.1167/jov.21.9.2189, ISSN:1534-7362
  • The visual attention at the hand-movement goal independent of the top-down attention
    Wei Wu; Zhan Li; Yoshiyuki Sato; Yasuhiro Hatori; Chia-huei Tseng; Ichiro Kuriki; Satoshi Shioiri
    Journal of Vision, Volume:21, Number:9, First page:2113, Last page:2113, Sep. 2021, [Reviewed]
    Association for Research in Vision and Ophthalmology (ARVO), Scientific journal
    DOI:https://doi.org/10.1167/jov.21.9.2113
    DOI ID:10.1167/jov.21.9.2113, ISSN:1534-7362
  • Luminance contrast detection is optimized for the large‐scale luminance texture of the surround
    Misaki Hayasaka; Takehiro Nagai; Yasuki Yamauchi; Tomoharu Sato; Ichiro Kuriki
    Color Research & Application, Volume:47, Number:2, First page:271, Last page:287, Aug. 2021, [Reviewed], [Last]
    Abstract

    Contrast sensitivity functions (CSFs) have been typically measured under persistent adaptation to a uniform background. However, this is an unusual situation, considering that visual scenes in our daily lives are typically filled by objects of various luminance levels in a wide dynamic range. We investigated the interactions between the luminance range of textured adapting background and test luminance (luminance of an immediate surround) to see how the contrast sensitivities adapt to background luminance distributions. The background was a random array of one‐dimensional lines, which had a maximum luminance range of approximately 1:520 000, and the test stimulus was a Gabor patch presented on an immediate uniform surround with various luminance levels. The carrier orientation of the Gabor patch was orthogonal to that of the background lines. In the results, the sensitivity was highest near the mean of background luminance, and the luminance range with the highest sensitivity became wider (i.e., the selectivity of sensitivity optimization weakened) as the background luminance range became larger. This sensitivity optimization was significant mainly in the lower spatial frequency. These results indicate that the overall contrast sensitivity is adjusted to the luminance range of the visual scene and the sensitivity optimization is more flexible in relatively lower spatial frequency.
    Wiley, English, Scientific journal
    DOI:https://doi.org/10.1002/col.22723
    DOI ID:10.1002/col.22723, ISSN:0361-2317, eISSN:1520-6378, 共同研究・競争的資金等ID:31353454;31353452
  • Color Compensation in Anomalous Trichromats Assessed with fMRI.               
    Katherine E M Tregillus; Zoey J Isherwood; John E Vanston; Stephen A Engel; Donald I A MacLeod; Ichiro Kuriki; Michael A Webster
    Current biology : CB, Dec. 2020, [Reviewed], [International magazine]
    Anomalous trichromacy is a common form of congenital color deficiency resulting from a genetic alteration in the photopigments of the eye's light receptors. The changes reduce sensitivity to reddish and greenish hues, yet previous work suggests that these observers may experience the world to be more colorful than their altered receptor sensitivities would predict, potentially indicating an amplification of post-receptoral signals. However, past evidence suggesting such a gain adjustment rests on subjective measures of color appearance or salience. We directly tested for neural amplification by using fMRI to measure cortical responses in color-anomalous and normal control observers. Color contrast response functions were measured in two experiments with different tasks to control for attentional factors. Both experiments showed a predictable reduction in chromatic responses for anomalous trichromats in primary visual cortex. However, in later areas V2v and V3v, chromatic responses in the two groups were indistinguishable. Our results provide direct evidence for neural plasticity that compensates for the deficiency in the initial receptor color signals and suggest that the site of this compensation is in early visual cortex.
    English, Scientific journal
    DOI:https://doi.org/10.1016/j.cub.2020.11.039
    DOI ID:10.1016/j.cub.2020.11.039, PubMed ID:33326771
  • Basic color categories in Mandarin Chinese revealed by cluster analysis.               
    Tsuei-Ju Tracy Hsieh; Ichiro Kuriki; I-Ping Chen; Yumiko Muto; Rumi Tokunaga; Satoshi Shioiri
    Journal of vision, Volume:20, Number:12, First page:6, Last page:6, Nov. 2020, [Reviewed], [Corresponding], [International magazine]
    Previous claims of the number of color categories and corresponding basic color terms in modern Mandarin Chinese remain irreconcilable, mainly due to the shortage in objectively evaluating the basicness of color terms with statistical significance. Therefore the present study applied k-means cluster analysis to investigate native Mandarin Chinese speakers' color naming data of 330 color chips similar to those used in World Color Survey. Results confirmed that there are 11 basic color categories among modern Mandarin speakers in Taiwan, one corresponding to each basic color term. Results also showed that observers overwhelmingly agreed in their use of Mandarin color terms, including those that had yielded ambiguous results in previous studies (gray, brown, pink, and orange). There is significant cross-language similarity when comparing the distribution of color categories in the World Color Survey chart with American English and Japanese data. The motif analysis and group mutual information analysis suggest that Mandarin color terms used in Taiwan describe very similar categories and are, hence, similarly precise in communicating color information as those in Japanese and American English. These results show that three languages of fundamentally different cultures and histories have very similar basic color terms.
    English, Scientific journal
    DOI:https://doi.org/10.1167/jov.20.12.6
    DOI ID:10.1167/jov.20.12.6, PubMed ID:33196769, PubMed Central ID:PMC7671860
  • Steady-State Visual Evoked Potentials Elicited from Early Visual Cortex Reflect Both Perceptual Color Space and Cone-Opponent Mechanisms
    Sae Kaneko; Ichiro Kuriki; Søren K Andersen
    Cerebral Cortex Communications, Volume:1, Number:1, Aug. 2020, [Reviewed]
    Abstract
    Colors are represented in the cone-opponent signals, L-M versus S cones, at least up to the level of inputs to the primary visual cortex. We explored the hue selective responses in early cortical visual areas through recordings of steady-state visual evoked potentials (SSVEPs), elicited by a flickering checkerboard whose color smoothly swept around the hue circle defined in a cone-opponent color space. If cone opponency dominates hue representation in the source of SSVEP signals, SSVEP amplitudes as a function of hue should form a profile that is line-symmetric along the cardinal axes of the cone-opponent color space. Observed SSVEP responses were clearly chromatic ones with increased SSVEP amplitudes and reduced response latencies for higher contrast conditions. The overall elliptic amplitude profile was significantly tilted away from the cardinal axes to have the highest amplitudes in the “lime-magenta” direction, indicating that the hue representation in question is not dominated by cone-opponency. The observed SSVEP amplitude hue profile was better described as a summation of a perceptual response and cone-opponent responses with a larger weight to the former. These results indicate that hue representations in the early visual cortex, measured by the SSVEP technique, are possibly related to perceptual color contrast.
    Oxford University Press (OUP), Scientific journal
    DOI:https://doi.org/10.1093/texcom/tgaa059
    DOI ID:10.1093/texcom/tgaa059, eISSN:2632-7376
  • A motion-in-depth model based on inter-ocular velocity to estimate direction in depth               
    Wei Wu; Yasuhiro Hatori; Chia-Huei Tseng; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    VISION RESEARCH, Volume:172, First page:11, Last page:26, Jul. 2020, [Reviewed]
    Perception of motion in depth is one of the most important visual functions for living in the three-dimensional world. Two binocular cues have been investigated for motion in depth: inter-ocular velocity difference (IOVD) and changing disparity (CD). IOVD provides direction information directly by comparing velocity signals from the two retinas. In this study, we propose for the first time a motion-in-depth model of IOVD that predicts motion-in-depth direction. The model is based on a psychophysical assumption that there are four channels tuned to different directions in depth (Journal of Physiology 235 (1973) 17-29). We modeled these channels by combining outputs of low-level motion detectors that are sensitive to left and right retinal stimulation. Using these channels, we constructed a model of motion in depth that successfully predicted a variety of psychophysical results including direction discrimination, perceived direction, spatial frequency tuning, effect of speed on rotation in depth, effect of lateral motion direction, and effect of binocular and temporal correlations.
    PERGAMON-ELSEVIER SCIENCE LTD, English, Scientific journal
    DOI:https://doi.org/10.1016/j.visres.2020.04.002
    DOI ID:10.1016/j.visres.2020.04.002, ISSN:0042-6989, eISSN:1878-5646, Web of Science ID:WOS:000535721200002
  • Displacement detection is suppressed by the post-saccadic stimulus               
    Shuhei Takano; Kazumichi Matsumiya; Chia-huei Tseng; Ichiro Kuriki; Heiner Deubel; Satoshi Shioiri
    SCIENTIFIC REPORTS, Volume:10, Number:1, Jun. 2020, [Reviewed]
    To establish a perceptually stable world despite the large retinal shifts caused by saccadic eye movements, the visual system reduces its sensitivity to the displacement of visual stimuli during saccades (e.g. saccadic suppression of displacement, SSD). Previous studies have demonstrated that inserting a temporal blank right after a saccade improves displacement detection performance. This 'blanking effect' suggests that visual information right after the saccade may play an important role in SSD. To understand the mechanisms underlying SSD, we here compare the effect of pre- and post-saccadic stimulus contrast on displacement detection during a saccade with and without inserting a blank. Our results show that observers' sensitivity to detect visual displacement was reduced by increasing post-saccadic stimulus contrast, but a blank relieves the impairment. We successfully explain the results with a model proposing that parvo-pathway signals suppress the magno-pathway processes responsible for detecting displacements across saccades. Our results suggest that the suppression of the magno-pathway by parvo-pathway signals immediately after a saccade causes SSD, which helps to achieve the perceptual stability of the visual world across saccades.
    NATURE PUBLISHING GROUP, English, Scientific journal
    DOI:https://doi.org/10.1038/s41598-020-66216-1
    DOI ID:10.1038/s41598-020-66216-1, ISSN:2045-2322, Web of Science ID:WOS:000543956000011
  • Hue selectivity of collinear facilitation.               
    Tomoharu Sato; Takehiro Nagai; Ichiro Kuriki
    Journal of the Optical Society of America A, Volume:37, Number:4, First page:A154, Last page:A162, Apr. 2020, [Reviewed], [Last]
    English, Scientific journal
  • 定常的誘発電位を用いた視聴覚同時注意の空間分布の測定               
    小野 真; 坂本 修一; 寺岡 諒; 佐藤 好幸; 羽鳥 康裕; Tseng Chia-Huei; 栗木 一郎; 塩入 諭
    Volume:32, Number:1, First page:34, Last page:34, Jan. 2020
    Japanese
    ISSN:0917-1142, eISSN:2433-5630, 医中誌Web ID:2020244792
  • Contrast sensitivity functions measured on luminance-variegated background
    Misaki Hayasaka; Takehiro Nagai; Tomoharu Sato; Tomonori Tashiro; Yasuki Yamauchi; Ichiro Kuriki
    Journal of Vision, Volume:19, Number:8, First page:100, Last page:100, Jul. 2019, [Reviewed]
    Association for Research in Vision and Ophthalmology (ARVO), Scientific journal
    DOI:https://doi.org/10.1167/19.8.100
    DOI ID:10.1167/19.8.100, ISSN:1534-7362
  • Emergence and separation of color categories: a NIRS study in prelingual infants and a k-means analysis on Japanese color-naming data.               
    Ichiro Kuriki
    Current Opinion in Behavioral Sciences, Volume:30, First page:21, Last page:27, Jun. 2019, [Reviewed], [Invited]
    Establish and separation of color categories are discussed by our psychophysical study with clustering analysis and a brain-imaging study with NIRS in prelingual infants.
    English, Scientific journal
  • Spatial representations of the viewer's surroundings               
    Satoshi Shioiri; Masayuki Kobayashi; Kazumichi Matsumiya; Ichiro Kuriki
    Scientific Reports, Volume:8, Number:1, First page:7171, Dec. 2018, [Reviewed]
    © 2018 The Author(s). Spatial representation surrounding a viewer including outside the visual field is crucial for moving around the three-dimensional world. To obtain such spatial representations, we predict that there is a learning process that integrates visual inputs from different viewpoints covering all the 360° visual angles. We report here the learning effect of the spatial layouts on six displays arranged to surround the viewer, showing shortening of visual search time on surrounding layouts that are repeatedly used (contextual cueing effect). The learning effect is found even in the time to reach the display with the target as well as the time to reach the target within the target display, which indicates that there is an implicit learning effect on spatial configurations of stimulus elements across displays. Since, furthermore, the learning effect is found between layouts and the target presented on displays located even 120° apart, this effect should be based on the representation that covers visual information far outside the visual field.
    Scientific journal
    DOI:https://doi.org/10.1038/s41598-018-25433-5
    Scopus:https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85046861353&origin=inward
    Scopus Citedby:https://www.scopus.com/inward/citedby.uri?partnerID=HzOxMe3b&scp=85046861353&origin=inward
    DOI ID:10.1038/s41598-018-25433-5, eISSN:2045-2322, PubMed ID:29740127, SCOPUS ID:85046861353
  • Relative contributions of low- and high-luminance components to material perception.               
    Nagai T; Hosaka Y; Sato T; Kuriki I
    Journal of vision, Volume:18, Number:13, First page:6, Dec. 2018, [Reviewed]
    DOI:https://doi.org/10.1167/18.13.6
    DOI ID:10.1167/18.13.6, PubMed ID:30535255
  • Individual Variability in Simultaneous Contrast for Color and Brightness: Small Sample Factor Analyses Reveal Separate Induction Processes for Short and Long Flashes.               
    Kaneko S; Murakami I; Kuriki I; Peterzell DH
    i-Perception, Volume:9, Number:5, First page:2041669518800507, Sep. 2018, [Reviewed]
    DOI:https://doi.org/10.1177/2041669518800507
    DOI ID:10.1177/2041669518800507, PubMed ID:30263104
  • Extracting the orientation of rotating objects without object identification: Object orientation induction.               
    Shioiri S; Hashimoto K; Matsumiya K; Kuriki I; He S
    Journal of vision, Volume:18, Number:9, First page:17, Sep. 2018, [Reviewed]
    When a rotating object (inducer) is briefly replaced by a static face image (test stimulus), the orientation of the face appears to shift in the rotation direction of the inducer (object orientation induction, OOI). The OOI effect suggests that there is a process to continuously analyze and update the orientation of an object in motion. We investigated the perception of object orientation in motion, examining potential factors that contribute to OOI. Experiment 1 showed that the phenomenon is general to objects rather than specific to faces; OOI could be observed with non-face objects. Experiment 2 showed that OOI is a 3D effect, as the orientation shift for a bent-wire object depended on its configuration in the depth dimension. Experiment 3 showed that salient features are necessary to indicate the intrinsic orientation of the inducing object for producing OOI. Experiment 4 showed that change in the facing direction of the inducer object is a crucial factor for OOI, but neither the object shape nor its identity is important. A strong OOI effect was observed when the inducer kept changing its shape and identity, as long as its direction change generated continuous rotation. Finally, Experiment 5 showed OOI is a phenomenon in the pathway for fast processing. A single inducer presented shorter than 100ms before influenced the perceived orientation of the test stimulus. Together these results suggest that there is a predictive process that continuously analyzes and updates the orientation of rotating objects, independently of their identification.
    ASSOC RESEARCH VISION OPHTHALMOLOGY INC, English, Scientific journal
    DOI:https://doi.org/10.1167/18.9.17
    DOI ID:10.1167/18.9.17, ISSN:1534-7362, PubMed ID:30242388, Web of Science ID:WOS:000444759200017
  • A Novel Method of Color Appearance Simulation Using Achromatic Point Locus With Lightness Dependence               
    Ichiro Kuriki
    i-Perception, Volume:9, Number:2, First page:2041669518761731, Mar. 2018, [Reviewed]
    The purpose of the present study is to propose a simple algorithm for color appearance simulation under a color illuminant. Achromatic point is a chromaticity of rays that appear neither red nor green, neither blue nor yellow under a given illuminant condition. Saturation and hue of surface colors are evaluated with respect to the achromatic point of the same lightness, while the achromatic point under a colored illuminant depends on the lightness tested. We previously found that this achromatic point locus can be simply approximated as a line with a parallel offset from the lightness axis of CIE LAB space normalized to daylight. We propose a model that applies shifts in the lightness direction after applying hue/saturation shifts using the cone-response (von Kries) transformation under an iso-lightness constraint, such that achromatic points would be aligned with the lightness axis in the CIE LAB space under daylight normalization. We tested this algorithm, which incorporates evaluation of color appearance in different lightness levels, using #theDress image. Resemblance between our simulation and subjective color-matching results implies that human color vision possibly processes shifts in color and lightness independently, as a previous study reported. Changes in the chromaticity distribution of the images were compared with conventional models, and the proposed model preserved relative color difference better, especially at the lower lightness levels. The better performance in lower lightness levels would be advantageous in displays with wider dynamic range in luminance. This implies that the proposed model is effective in simulating color appearance of images with nonnegligible lightness and color differences.
    SAGE Publications Ltd, English, Scientific journal
    DOI:https://doi.org/10.1177/2041669518761731
    DOI ID:10.1177/2041669518761731, ISSN:2041-6695, PubMed ID:29755723, SCOPUS ID:85046806786
  • Visual attention spreads broadly but selects information locally (Vol 6, 35513, 2016)               
    Satoshi Shioiri; Hajime Honjyo; Yoshiyuki Kashiwase; Kazumichi Matsumiya; Ichiro Kuriki
    SCIENTIFIC REPORTS, Volume:7, Apr. 2017, [Reviewed]
    NATURE PUBLISHING GROUP, English
    DOI:https://doi.org/10.1038/srep46198
    DOI ID:10.1038/srep46198, ISSN:2045-2322, Web of Science ID:WOS:000398550400001
  • Brief presentation enhances various simultaneous contrast effects               
    Sae Kaneko; Stuart Anstis; Ichiro Kuriki
    JOURNAL OF VISION, Volume:17, Number:4, First page:1, Last page:13, Apr. 2017, [Reviewed]
    Kaneko and Murakami (2012) demonstrated that simultaneous contrast for brightness and color (chromatic saturation) were enhanced by flashing the stimulus very briefly (10 ms). Here we examined whether this effect of duration generalized to other visual features. Tilt illusion and simultaneous hue contrast were both shown to be much stronger with a stimulus duration of 10 ms compared with 500 ms. The similar temporal dynamics for simultaneous contrast across visual features suggest common underlying principles.
    ASSOC RESEARCH VISION OPHTHALMOLOGY INC, English, Scientific journal
    DOI:https://doi.org/10.1167/17.4.7
    DOI ID:10.1167/17.4.7, ISSN:1534-7362, Web of Science ID:WOS:000400647300007
  • The modern Japanese color lexicon               
    Ichiro Kuriki; Ryan Lange; Yumiko Muto; Angela M. Brown; Kazuho Fukuda; Rumi Tokunaga; Delwin T. Lindsey; Keiji Uchikawa; Satoshi Shioiri
    JOURNAL OF VISION, Volume:17, Number:3, First page:1, Last page:18, Mar. 2017, [Reviewed]
    Despite numerous prior studies, important questions about the Japanese color lexicon persist, particularly about the number of Japanese basic color terms and their deployment across color space. Here, 57 native Japanese speakers provided monolexemic terms for 320 chromatic and 10 achromatic Munsell color samples. Through k-means cluster analysis we revealed 16 statistically distinct Japanese chromatic categories. These included eight chromatic basic color terms (aka/red, ki/yellow, midori/green, ao/blue, pink, orange, cha/brown, and murasaki/purple) plus eight additional terms: mizu ("water'')/light blue, hada ("skin tone'')/peach, kon ("indigo'')/dark blue, matcha ("green tea'')/yellow-green, enji/maroon, oudo ("sand or mud'')/mustard, yamabuki ("globeflower'')/gold, and cream. Of these additional terms, mizu was used by 98% of informants, and emerged as a strong candidate for a 12th Japanese basic color term. Japanese and American English color-naming systems were broadly similar, except for color categories in one language (mizu, kon, teal, lavender, magenta, lime) that had no equivalent in the other. Our analysis revealed two statistically distinct Japanese motifs (or color-naming systems), which differed mainly in the extension of mizu across our color palette. Comparison of the present data with an earlier study by Uchikawa & Boynton (1987) suggests that some changes in the Japanese color lexicon have occurred over the last 30 years.
    ASSOC RESEARCH VISION OPHTHALMOLOGY INC, English, Scientific journal
    DOI:https://doi.org/10.1167/17.3.1
    DOI ID:10.1167/17.3.1, ISSN:1534-7362, Web of Science ID:WOS:000397858800001
  • Visual attention spreads broadly but selects information locally               
    Satoshi Shioiri; Hajime Honjyo; Yoshiyuki Kashiwase; Kazumichi Matsumiya; Ichiro Kuriki
    SCIENTIFIC REPORTS, Volume:6, Oct. 2016, [Reviewed]
    Visual attention spreads over a range around the focus as the spotlight metaphor describes. Spatial spread of attentional enhancement and local selection/inhibition are crucial factors determining the profile of the spatial attention. Enhancement and ignorance/suppression are opposite effects of attention, and appeared to be mutually exclusive. Yet, no unified view of the factors has been provided despite their necessity for understanding the functions of spatial attention. This report provides electroencephalographic and behavioral evidence for the attentional spread at an early stage and selection/ inhibition at a later stage of visual processing. Steady state visual evoked potential showed broad spatial tuning whereas the P3 component of the event related potential showed local selection or inhibition of the adjacent areas. Based on these results, we propose a two-stage model of spatial attention with broad spread at an early stage and local selection at a later stage.
    NATURE PUBLISHING GROUP, English, Scientific journal
    DOI:https://doi.org/10.1038/srep35513
    DOI ID:10.1038/srep35513, ISSN:2045-2322, Web of Science ID:WOS:000385953900001
  • Dissociation of equilibrium points for color-discrimination and color-appearance mechanisms in incomplete chromatic adaptation               
    Tomoharu Sato; Takehiro Nagai; Ichiro Kuriki; Shigeki Nakauchi
    JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, Volume:33, Number:3, First page:A150, Last page:A163, Mar. 2016, [Reviewed]
    We compared the color-discrimination thresholds and supra-threshold color differences (STCDs) obtained in complete chromatic adaptation (gray) and incomplete chromatic adaptation (red). The color-difference profiles were examined by evaluating the perceptual distances between various color pairs using maximum likelihood difference scaling. In the gray condition, the chromaticities corresponding with the smallest threshold and the largest color difference were almost identical. In contrast, in the red condition, they were dissociated. The peaks of the sensitivity functions derived from the color-discrimination thresholds and STCDs along the L-M axis were systematically different between the adaptation conditions. These results suggest that the color signals involved in color discrimination and STCD tasks are controlled by separate mechanisms with different characteristic properties. (C) 2016 Optical Society of America
    OPTICAL SOC AMER, English, Scientific journal
    DOI:https://doi.org/10.1364/JOSAA.33.00A150
    DOI ID:10.1364/JOSAA.33.00A150, ISSN:1084-7529, eISSN:1520-8532, Web of Science ID:WOS:000371781700017
  • Cortical response to categorical color perception in infants investigated by near-infrared spectroscopy               
    Jiale Yang; So Kanazawa; Masami K. Yamaguchi; Ichiro Kuriki
    PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, Volume:113, Number:9, First page:2370, Last page:2375, Mar. 2016, [Reviewed]
    Perceptual color space is continuous; however, we tend to divide it into only a small number of categories. It is unclear whether categorical color perception is obtained solely through the development of the visual system or whether it is affected by language acquisition. To address this issue, we recruited prelinguistic infants (5- to 7-mo-olds) to measure changes in brain activity in relation to categorical color differences by using near-infrared spectroscopy (NIRS). We presented two sets of geometric figures to infants: One set altered in color between green and blue, and the other set altered between two different shades of green. We found a significant increase in hemodynamic responses during the between-category alternations, but not during the within-category alternations. These differences in hemodynamic response based on categorical relationship were observed only in the bilateral occipitotemporal regions, and not in the occipital region. We confirmed that categorical color differences yield behavioral differences in infants. We also observed comparable hemodynamic responses to categorical color differences in adults. The present study provided the first evidence, to our knowledge, that colors of different categories are represented differently in the visual cortex of prelinguistic infants, which implies that color categories may develop independently before language acquisition.
    NATL ACAD SCIENCES, English, Scientific journal
    DOI:https://doi.org/10.1073/pnas.1512044113
    DOI ID:10.1073/pnas.1512044113, ISSN:0027-8424, Web of Science ID:WOS:000371204500038
  • Measurement of object-based attention with steady-state visual evoked potential               
    Ichiro Kuriki; Nobutaka Omori; Yoshiyuki Kashiwase; Rumi Tokunaga; Kazumichi Matsumiya; Satoshi Shioiri
    Japanese Journal of Physiological Psychology and Psychophysiology, Volume:33, Number:1, First page:33, Last page:46, Feb. 2016, [Reviewed]
    The spatial extent of visual attention, which facilitates perceptual performances, has been classified into spatial and object-based attention. Object-based attention refers to a type of attention limited within an object that encloses a cued location, which contrasts with spatial attention that spreads around the attentional focus. Whether object-based attention is enabled by the deformation of an attentional "spotlight" or by the prioritization of locations to which the attentional spotlight is directed is a matter of much debate. The present study addresses this issue by employing an EEG (electro-encephalogram) technique called steady-state visual evoked potentials (SSVEP) during a psychophysical experiment. The SSVEP amplitude is modulated by visual attention. During the EEG recording, we asked participants to perform a rapid serial visual presentation task designed to exhibit object-based attention, and a simple detection task to measure the spatial spreading/deployment of attention. The visual stimuli flickered at different frequencies at different spatial locations, which enabled us to tag stimulus locations with temporal-frequency components in the EEG data. We found an effect of object-based attention on SSVEP amplitudes and behavioral performances. Additionally, the absence of event related potential changes at the cued location, triggered by random and frequent presentations of detection-task stimuli throughout a trial, suggests that object-based attention may be based on a steady state mechanism, i.e., spatial spreading, rather than a dynamic one, such as prioritizing shifts of attention to locations within the cued object.
    Japanese Society for Physiological Psychology and Psychophysiology, English, Scientific journal
    DOI:https://doi.org/10.5674/jjppp.1505si
    DOI ID:10.5674/jjppp.1505si, ISSN:0289-2405, CiNii Articles ID:130005122392
  • Correlation analysis of EEG signals for divided attention               
    三浦 拓巳; 松宮 一道; 栗木 一郎; 塩入 諭
    Tohoku-Section Joint Convention Record of Institutes of Electrical and Information Engineers, Japan, Volume:2016, First page:24, Last page:24, 2016
    Organizing Committee of Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan, Japanese
    DOI:https://doi.org/10.11528/tsjc.2016.0_24
    DOI ID:10.11528/tsjc.2016.0_24, CiNii Articles ID:130006144594
  • Saliency-based gaze prediction based on head direction               
    Ryoichi Nakashima; Yu Fang; Yasuhiro Hatori; Akinori Hiratani; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    VISION RESEARCH, Volume:117, First page:59, Last page:66, Dec. 2015, [Reviewed]
    Despite decades of attempts to create a model for predicting gaze locations by using saliency maps, a highly accurate gaze prediction model for general conditions has yet to be devised. In this study, we propose a gaze prediction method based on head direction that can improve the accuracy of any model. We used a probability distribution of eye position based on head direction (static eye-head coordination) and added this information to a model of saliency-based visual attention. Using empirical data on eye and head directions while observers were viewing natural scenes, we estimated a probability distribution of eye position. We then combined the relationship between eye position and head direction with visual saliency to predict gaze locations. The model showed that information on head direction improved the prediction accuracy. Further, there was no difference in the gaze prediction accuracy between the two models using information on head direction with and without eye-head coordination. Therefore, information on head direction is useful for predicting gaze location when it is available. Furthermore, this gaze prediction model can be applied relatively easily to many daily situations such as during walking. (C) 2015 Elsevier Ltd. All rights reserved.
    PERGAMON-ELSEVIER SCIENCE LTD, English, Scientific journal
    DOI:https://doi.org/10.1016/j.visres.2015.10.001
    DOI ID:10.1016/j.visres.2015.10.001, ISSN:0042-6989, eISSN:1878-5646, Web of Science ID:WOS:000365557900008
  • Hue Selectivity in Human Visual Cortex Revealed by Functional Magnetic Resonance Imaging               
    Ichiro Kuriki; Pei Sun; Kenichi Ueno; Keiji Tanaka; Kang Cheng
    CEREBRAL CORTEX, Volume:25, Number:12, First page:4869, Last page:4884, Dec. 2015, [Reviewed]
    The variability of color-selective neurons in human visual cortex is considered more diverse than cone-opponent mechanisms. We addressed this issue by deriving histograms of hue-selective voxels measured using fMRI with a novel stimulation paradigm, where the stimulus hue changed continuously. Despite the large between-subject difference in hue-selective histograms, individual voxels exhibited selectivity for intermediate hues, such as purple, cyan, and orange, in addition to those along cone-opponent axes. In order to rule the possibility out that the selectivity for intermediate hues emerged through spatial summation of activities of neurons selectively responding to cone-opponent signals, we further tested hue-selective adaptations in intermediate directions of cone-opponent axes, by measuring responses to 4 diagonal hues during concurrent adaptation to 1 of the 4 hues. The selective and unidirectional reduction in response to the adapted hue lends supports to our argument that cortical neurons respond selectively to intermediate hues.
    OXFORD UNIV PRESS INC, English, Scientific journal
    DOI:https://doi.org/10.1093/cercor/bhv198
    DOI ID:10.1093/cercor/bhv198, ISSN:1047-3211, eISSN:1460-2199, Web of Science ID:WOS:000366463800020
  • Active movements generate rotation-independent representations for haptic movements.               
    Kazumichi Matsumiya; Mitsumasa Takahashi; Ichiro Kuriki; Satoshi Shioiri
    Interdisciplinary Information Sciences, Volume:21, Number:2, First page:115, Last page:123, Sep. 2015, [Reviewed]
    It has been reported that there are separate representations of visual and haptic movements, and that the haptic process has a rotation-independent representation for movements. This finding suggests that movement representations are formed in a different manner from object representations through visual and haptic signals because signals from visual and haptic modalities are processed in a common multimodal representation for object perception. Here, we investigated how the rotation-independent representation specific to haptic movements is generated. Our results show that rotation-independent representations of haptic movements do not appear when haptic movements passively occur. We also confirmed that active haptic movements generate rotation-independent representations. These results suggest that active movements are required to generate rotation-independent representations for haptic movements.
    Tohoku University, English, Scientific journal
    DOI:https://doi.org/10.4036/iis.2015.A.02
    DOI ID:10.4036/iis.2015.A.02, ISSN:1340-9050, CiNii Articles ID:110009964263, CiNii Books ID:AA11032627
  • Eye-Head Coordination for Visual Cognitive Processing               
    Yu Fang; Ryoichi Nakashima; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    PLOS ONE, Volume:10, Number:3, Mar. 2015, [Reviewed]
    We investigated coordinated movements between the eyes and head ("eye-head coordination") in relation to vision for action. Several studies have measured eye and head movements during a single gaze shift, focusing on the mechanisms of motor control during eyehead coordination. However, in everyday life, gaze shifts occur sequentially and are accompanied by movements of the head and body. Under such conditions, visual cognitive processing influences eye movements and might also influence eye-head coordination because sequential gaze shifts include cycles of visual processing (fixation) and data acquisition (gaze shifts). In the present study, we examined how the eyes and head move in coordination during visual search in a large visual field. Subjects moved their eyes, head, and body without restriction inside a 360 degrees visual display system. We found patterns of eye-head coordination that differed those observed in single gaze-shift studies. First, we frequently observed multiple saccades during one continuous head movement, and the contribution of head movement to gaze shifts increased as the number of saccades increased. This relationship between head movements and sequential gaze shifts suggests eye-head coordination over several saccade-fixation sequences; this could be related to cognitive processing because saccade-fixation cycles are the result of visual cognitive processing. Second, distribution bias of eye position during gaze fixation was highly correlated with head orientation. The distribution peak of eye position was biased in the same direction as head orientation. This influence of head orientation suggests that eye-head coordination is involved in gaze fixation, when the visual system processes retinal information. This further supports the role of eye-head coordination in visual cognitive processing.
    PUBLIC LIBRARY SCIENCE, English, Scientific journal
    DOI:https://doi.org/10.1371/journal.pone.0121035
    DOI ID:10.1371/journal.pone.0121035, ISSN:1932-6203, Web of Science ID:WOS:000351987300201
  • Lightness dependence of achromatic loci in color-appearance coordinates               
    Ichiro Kuriki
    FRONTIERS IN PSYCHOLOGY, Volume:6, Number:67, Feb. 2015, [Reviewed]
    Shifts in the appearance of color under different illuminant chromaticity are known to be incomplete, and fit nicely with a simple linear transformation of cone responses that aligns the achromatic points under two illuminants. Most chromaticity-transfer functions with von-Kries-like transformations use only one set of values to fit the color shifts from one illuminant to another. However, an achromatic point shifts its chromaticity depending on the lightness of the test stimulus. This lightness dependence of the achromatic-point locus is qualitatively similar to a phenomenon known as the Helson-Judd effect. The present study suggests that the lightness dependency of achromatic points appears to be a general trend, which is supported by the results from deriving the optimal von-Kries coefficients for different lightness levels that best fit the color shifts under a different illuminant chromaticity. Further, we report that such a lightness dependence of the achromatic-point loci can be represented simply as a straight line in coordinates defined using color-appearance models such as CIECAM when normalized for daylight.
    FRONTIERS RESEARCH FOUNDATION, English, Scientific journal
    DOI:https://doi.org/10.3389/fpsyg.2015.00067
    DOI ID:10.3389/fpsyg.2015.00067, ISSN:1664-1078, Web of Science ID:WOS:000349152700001
  • Linearity of achromatic loci under chromatic illuminants in CIELAB space               
    KURIKI Ichiro
    ITE Technical Report, Volume:39, First page:31, Last page:32, 2015
    Achromatic points, which appears colorless under chromatic illuminant, varies its chromaticity depending on luminance of test stimulus under colored illuminant. This achromatic locus along lightness is nonlinear in color space made of linear transformation of cone responses like CIE XYZ, and this complicated nonlinearity prevented the use of achromatic locus from applications in image processing or color corrections. The present talk will explain our recent finding about the linearity of achromatic locus in color spaces for the representation of appearance (CIE CAM, RLAB etc.) and will demonstrateaa the possibility of applying achromatic locus for color corrections of images.
    The Institute of Image Information and Television Engineers, Japanese
    DOI:https://doi.org/10.11485/itetr.39.43.0_31
    DOI ID:10.11485/itetr.39.43.0_31, CiNii Articles ID:130006090907
  • Eye-position distribution depending on head orientation when observing movies on ultrahigh-definition television
    Yu Fang; Masaki Emoto; Ryoichi Nakashima; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    ITE Transactions on Media Technology and Applications, Volume:3, Number:2, First page:149, Last page:154, 2015, [Reviewed]
    We investigated the relationship between eye-position distribution and head-orientation while viewing dynamic images in an 85 inch 8K ultrahigh-definition television (UHDTV). Participants watched video clips of several types of scenes made for UHDTV without any restriction of head movements. The result showed a correlation between eye and head orientation, which is similar to the coordinative movements of the eye and head for static-image viewing in previous studies. The distribution of eye positions was biased in the direction of head orientation both in horizontal and vertical directions. When the head orientated to the left/right (or up/down), the eyes also tended to direct in the left/right (or up/down) relative to the head. These findings suggest that eye-head coordination is similar between static and dynamic images and that head orientation could be used to evaluate the viewing condition and image contents of wide field of view display such as that of an UHDTV.
    Institute of Image Information and Television Engineers, English, Scientific journal
    DOI:https://doi.org/10.3169/mta.3.149
    Scopus:https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84946569848&origin=inward
    Scopus Citedby:https://www.scopus.com/inward/citedby.uri?partnerID=HzOxMe3b&scp=84946569848&origin=inward
    DOI ID:10.3169/mta.3.149, ISSN:2186-7364, eISSN:2186-7364, SCOPUS ID:84946569848
  • Effect of material perception on mode of color appearance               
    Ichiro Kuriki
    JOURNAL OF VISION, Volume:15, Number:8, 2015, [Reviewed]
    The mode of color appearance (mode) is a concept suggesting that variations in a medium that emits, transmits, or reflects light can cause differences in color appearance. For example, the same light beams that appear brown (or gray) when reflected from a given object surface may appear orange (or white) when emitted from a light source. The present study investigated the relationships between material perception and perceived mode, especially in terms of luminosity. In the experiment, a rotating spheroid was presented with surrounds of various luminance levels. The surface texture of the spheroid was either matte gray (three surface reflectance levels) or one of two fabrics. The participants were asked to evaluate the luminosity (mode) and perceived reflectance of the object. The results show that the mode perception is clearly different from the lightness perception. The luminosity was fit with a linear function of the lightness scale in CIE (Commission Internationale de l'Eclairage) L* value of the object surface, unless the material of the surface was identifiable. To conclude, the luminosity (mode) perception can be strongly affected by the material percept, and the luminosity perception of the same object can vary when its surface property is ambiguous.
    ASSOC RESEARCH VISION OPHTHALMOLOGY INC, English, Scientific journal
    DOI:https://doi.org/10.1167/15.8.4
    DOI ID:10.1167/15.8.4, ISSN:1534-7362, Web of Science ID:WOS:000361549200004
  • Chromatic induction from surrounding stimuli under perceptual suppression               
    Koji Horiuchi; Ichiro Kuriki; Rumi Tokunaga; Kazumichi Matsumiya; Satoshi Shioiri
    VISUAL NEUROSCIENCE, Volume:31, Number:6, First page:387, Last page:400, Nov. 2014, [Reviewed]
    The appearance of colors can be affected by their spatiotemporal context. The shift in color appearance according to the surrounding colors is called color induction or chromatic induction; in particular, the shift in opponent color of the surround is called chromatic contrast. To investigate whether chromatic induction occurs even when the chromatic surround is imperceptible, we measured chromatic induction during interocular suppression. A multicolor or uniform color field was presented as the surround stimulus, and a colored continuous flash suppression (CFS) stimulus was presented to the dominant eye of each subject. The subjects were asked to report the appearance of the test field only when the stationary surround stimulus is invisible by interocular suppression with CFS. The resulting shifts in color appearance due to chromatic induction were significant even under the conditions of interocular suppression for all surround stimuli. The magnitude of chromatic induction differed with the surround conditions, and this difference was preserved regardless of the viewing conditions. The chromatic induction effect was reduced by CFS, in proportion to the magnitude of chromatic induction under natural (i.e., no-CFS) viewing conditions. According to an analysis with linear model fitting, we revealed the presence of at least two kinds of subprocesses for chromatic induction that reside at higher and lower levels than the site of interocular suppression. One mechanism yields different degrees of chromatic induction based on the complexity of the surround, which is unaffected by interocular suppression, while the other mechanism changes its output with interocular suppression acting as a gain control. Our results imply that the total chromatic induction effect is achieved via a linear summation of outputs from mechanisms that reside at different levels of visual processing.
    CAMBRIDGE UNIV PRESS, English, Scientific journal
    DOI:https://doi.org/10.1017/S0952523814000224
    DOI ID:10.1017/S0952523814000224, ISSN:0952-5238, eISSN:1469-8714, Web of Science ID:WOS:000346434800004
  • Rotation-independent representations for haptic movements               
    Satoshi Shioiri; Takanori Yamazaki; Kazumichi Matsumiya; Ichiro Kuriki
    SCIENTIFIC REPORTS, Volume:3, Number:2595, Sep. 2013, [Reviewed]
    The existence of a common mechanism for visual and haptic representations has been reported in object perception. In contrast, representations of movements might be more specific to modalities. Referring to the vertical axis is natural for visual representations whereas a fixed reference axis might be inappropriate for haptic movements and thus also inappropriate for its representations in the brain. The present study found that visual and haptic movement representations are processed independently. A psychophysical experiment examining mental rotation revealed the well-known effect of rotation angle for visual representations whereas no such effect was found for haptic representations. We also found no interference between processes for visual and haptic movements in an experiment where different stimuli were presented simultaneously through visual and haptic modalities. These results strongly suggest that (1) there are separate representations of visual and haptic movements, and (2) the haptic process has a rotation-independent representation.
    NATURE PUBLISHING GROUP, English, Scientific journal
    DOI:https://doi.org/10.1038/srep02595
    DOI ID:10.1038/srep02595, ISSN:2045-2322, Web of Science ID:WOS:000323920700008
  • Temporal Dynamics of Visual Attention Measured with Event-Related Potentials               
    Yoshiyuki Kashiwase; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    PLOS ONE, Volume:8, Number:8, Aug. 2013, [Reviewed]
    How attentional modulation on brain activities determines behavioral performance has been one of the most important issues in cognitive neuroscience. This issue has been addressed by comparing the temporal relationship between attentional modulations on neural activities and behavior. Our previous study measured the time course of attention with amplitude and phase coherence of steady-state visual evoked potential (SSVEP) and found that the modulation latency of phase coherence rather than that of amplitude was consistent with the latency of behavioral performance. In this study, as a complementary report, we compared the time course of visual attention shift measured by event-related potentials (ERPs) with that by target detection task. We developed a novel technique to compare ERPs with behavioral results and analyzed the EEG data in our previous study. Two sets of flickering stimulus at different frequencies were presented in the left and right visual hemifields, and a target or distracter pattern was presented randomly at various moments after an attention-cue presentation. The observers were asked to detect targets on the attended stimulus after the cue. We found that two ERP components, P300 and N2pc, were elicited by the target presented at the attended location. Time-course analyses revealed that attentional modulation of the P300 and N2pc amplitudes increased gradually until reaching a maximum and lasted at least 1.5 s after the cue onset, which is similar to the temporal dynamics of behavioral performance. However, attentional modulation of these ERP components started later than that of behavioral performance. Rather, the time course of attentional modulation of behavioral performance was more closely associated with that of the concurrently recorded SSVEPs analyzed. These results suggest that neural activities reflected not by either the P300 or N2pc, but by the SSVEPs, are the source of attentional modulation of behavioral performance.
    PUBLIC LIBRARY SCIENCE, English, Scientific journal
    DOI:https://doi.org/10.1371/journal.pone.0070922
    DOI ID:10.1371/journal.pone.0070922, ISSN:1932-6203, Web of Science ID:WOS:000323425700012
  • Investigation of color constancy in 4.5-month-old infants under a strict control of luminance contrast for individual participants               
    Jiale Yang; So Kanazawa; Masami K. Yamaguchi; Ichiro Kuriki
    JOURNAL OF EXPERIMENTAL CHILD PSYCHOLOGY, Volume:115, Number:1, First page:126, Last page:136, May 2013, [Reviewed]
    The current study examined color constancy in infants using a familiarization paradigm. We first obtained isoluminance in each infant as defined by the minimum motion paradigm and used these data to control the luminance of stimuli in the main experiments. In the familiarization phase of the main experiment, two identical smiling face patterns were presented side by side in surrounding patches of various colors, presented on a computer-controlled display. The colors in the stimuli simulated the chromaticity of color chips (OSA uniform color scale) under a certain illuminant. The chromaticity of the whole pattern was changed to simulate illuminant color changes in the test phase except for one of the smiling face patterns that preserved its chromaticity and luminance. If infants had color constancy, they would perceive the face without any change in the chromaticity and luminance as a novel object surface and would show preference for it. Two types of illuminant changes were applied, from 6500 to 10,000 K and from 6500 to 4500 K, in correlated color temperature. The luminance contrast between the background and the face patterns remained constant across the illuminant changes. Our results showed that 4.5-month-old infants preferred the pattern that did not change its chromaticity under both types of illuminant color changes. This finding suggests that 4.5-month-olds may have color constancy under the strict control of luminance contrast. (C) 2012 Elsevier Inc. All rights reserved.
    ACADEMIC PRESS INC ELSEVIER SCIENCE, English, Scientific journal
    DOI:https://doi.org/10.1016/j.jecp.2012.11.013
    DOI ID:10.1016/j.jecp.2012.11.013, ISSN:0022-0965, Web of Science ID:WOS:000318256000009
  • Report on Asia-Pacific Conference on Vision 2013               
    Kuriki Ichiro
    The Journal of the Institute of Television Engineers of Japan, Volume:67, Number:11, First page:962, Last page:965, 2013
    2013年7月5日〜8日の日程で中国(江蘇省・蘇州市)において開催された第9回アジア太平洋視覚科学会議(APCV: Asia-Pacific Conference on Vision)に参加し,各国の研究者と意見交換を行ってきた.その見聞記をご報告する.
    The Institute of Image Information and Television Engineers, Japanese
    DOI:https://doi.org/10.3169/itej.67.962
    DOI ID:10.3169/itej.67.962, ISSN:1342-6907, CiNii Articles ID:110009725873, CiNii Books ID:AN10588970
  • Considerations of self-motion in motion saliency               
    Akinori Hiratani; Ryoichi Nakashima; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    2013 SECOND IAPR ASIAN CONFERENCE ON PATTERN RECOGNITION (ACPR 2013), First page:783, Last page:787, 2013, [Reviewed]
    Despite a number of studies of computational models of visual saliency, it is still difficult to predict where human would attend in a scene. One of the problems is the effect of self-motion on retinal images. Usually saliency is calculated with local motion signals, and high degree of saliency is found in motion components caused by self-motion. Since human observers usually ignore the motion caused by self-motion, the prediction accuracy of attention locations falls off. We developed a framework that reduces the saliency of the motion components caused self-motion, using a physiological model of optic flow processing that extracts object motion among self-motion signals.
    IEEE COMPUTER SOC, English, International conference proceedings
    DOI:https://doi.org/10.1109/ACPR.2013.183
    DOI ID:10.1109/ACPR.2013.183, Web of Science ID:WOS:000339501000162
  • Time Courses of Attentional Modulation in Neural Amplification and Synchronization Measured with Steady-state Visual-evoked Potentials               
    Yoshiyuki Kashiwase; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    JOURNAL OF COGNITIVE NEUROSCIENCE, Volume:24, Number:8, First page:1779, Last page:1793, Aug. 2012, [Reviewed]
    Endogenous attention modulates the amplitude and phase coherence of steady-state visual-evoked potentials (SSVEPs). In efforts to decipher the neural mechanisms of attentional modulation, we compared the time course of attentional modulation of SSVEP amplitude (thought to reflect the magnitude of neural population activity) and phase coherence (thought to reflect neural response synchronization). We presented two stimuli flickering at different frequencies in the left and right visual hemifields and asked observers to shift their attention to either stimulus. Our results demonstrated that attention increased SSVEP phase coherence earlier than it increased SSVEP amplitude, with a positive correlation between the attentional modulations of SSVEP phase coherence and amplitude. Furthermore, the behavioral dynamics of attention shifts were more closely associated with changes in phase coherence than with changes in amplitude. These results are consistent with the possibility that attention increases neural response synchronization, which in turn leads to increased neural population activity.
    MIT PRESS, English, Scientific journal
    DOI:https://doi.org/10.1162/jocn_a_00212
    DOI ID:10.1162/jocn_a_00212, ISSN:0898-929X, Web of Science ID:WOS:000306101200011
  • Viewpoint-independent contextual cueing effect               
    Taiga Tsuchiai; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    Frontiers in Cognitive Science, Volume:3, First page:207, Aug. 2012, [Reviewed]
    English, Scientific journal
  • Direction-specific fMRI adaptation reveals the visual cortical network underlying the "Rotating Snakes" illusion.               
    Hiroshi Ashida; Ichiro Kuriki; Ikuya Murakami; Rumi Hisakata; Akiyoshi Kitaoka
    NeuroImage, Volume:61, Number:4, First page:1143, Last page:52, Jul. 2012, [Reviewed], [International magazine]
    The "Rotating Snakes" figure elicits a clear sense of anomalous motion in stationary repetitive patterns. We used an event-related fMRI adaptation paradigm to investigate cortical mechanisms underlying the illusory motion. Following an adapting stimulus (S1) and a blank period, a probe stimulus (S2) that elicited illusory motion either in the same or in the opposite direction was presented. Attention was controlled by a fixation task, and control experiments precluded explanations in terms of artefacts of local adaptation, afterimages, or involuntary eye movements. Recorded BOLD responses were smaller for S2 in the same direction than S2 in the opposite direction in V1-V4, V3A, and MT+, indicating direction-selective adaptation. Adaptation in MT+ was correlated with adaptation in V1 but not in V4. With possible downstream inheritance of adaptation, it is most likely that adaptation predominantly occurred in V1. The results extend our previous findings of activation in MT+ (I. Kuriki, H. Ashida, I. Murakami, and A. Kitaoka, 2008), revealing the activity of the cortical network for motion processing from V1 towards MT+. This provides evidence for the role of front-end motion detectors, which has been assumed in proposed models of the illusion.
    English, Scientific journal
    DOI:https://doi.org/10.1016/j.neuroimage.2012.03.033
    DOI ID:10.1016/j.neuroimage.2012.03.033, PubMed ID:22450297
  • 定常的視覚誘発電位を用いた視覚的注意の空間特性に関する検討               
    本庄 元; 柏瀬 啓起; 徳永 留美; 松宮 一道; 栗木 一郎; 塩入 諭
    Volume:24, Number:1, First page:38, Last page:39, Jan. 2012, [Reviewed]
    Japanese
    ISSN:0917-1142, eISSN:2433-5630, 医中誌Web ID:2012144934
  • Implicit learning of viewpoint-independent spatial layouts               
    Taiga Tsuchiai; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    FRONTIERS IN PSYCHOLOGY, Volume:3, 2012, [Reviewed]
    We usually perceive things in our surroundings as unchanged despite viewpoint changes caused by self-motion. The visual system therefore must have a function to process objects independently of viewpoint. In this study, we examined whether viewpoint-independent spatial layout can be obtained implicitly. For this purpose, we used a contextual cueing effect, a learning effect of spatial layout in visual search displays known to be an implicit effect. We investigated the transfer of the contextual cueing effect to images from a different viewpoint by using visual search displays of 3D objects. For images from a different viewpoint, the contextual cueing effect was maintained with self-motion but disappeared when the display changed without self-motion. This indicates that there is an implicit learning effect in environment-centered coordinates and suggests that the spatial representation of object layouts can be obtained and updated implicitly. We also showed that binocular disparity plays an important role in the layout representations.
    FRONTIERS MEDIA SA, English, Scientific journal
    DOI:https://doi.org/10.3389/fpsyg.2012.00207
    DOI ID:10.3389/fpsyg.2012.00207, ISSN:1664-1078, Web of Science ID:WOS:000208863900218
  • 輝度コントラストに基づく奥行知覚が輻輳眼球運動に与える影響               
    平谷 皓倫; 塩入 諭; 栗木 一郎; 松宮 一道; 徳永 留美; 松原 和也
    Volume:23, Number:3, First page:161, Last page:161, Jul. 2011, [Reviewed]
    Japanese
    ISSN:0917-1142, eISSN:2433-5630, 医中誌Web ID:2012061399
  • 錯視的運動知覚に対する事象関連電位の計測               
    大森 暢喬; 塩入 諭; 栗木 一郎; 松宮 一道; 徳永 留美; 柏瀬 啓起
    Volume:23, Number:3, First page:167, Last page:167, Jul. 2011, [Reviewed]
    Japanese
    ISSN:0917-1142, eISSN:2433-5630, 医中誌Web ID:2012061407
  • Decoding Color Responses in Human Visual Cortex               
    Ichiro Kuriki; Shingo Nakamura; Pei Sun; Kenichi Ueno; Kazumichi Matsumiya; Keiji Tanaka; Satoshi Shioiri; Kang Cheng
    IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, Volume:E94A, Number:2, First page:473, Last page:479, Feb. 2011, [Reviewed], [Invited]
    Color percept is a subjective experience and, in general, it is impossible for other people to tell someone's color percept. The present study demonstrated that the simple image-classification analysis of brain activity obtained by a functional magnetic resonance imaging (fMRI) technique enables to tell which of four colors the subject is looking at. Our results also imply that color information is coded by the responses of hue-selective neurons in human brain, not by the combinations of red-green and blue-yellow hue components.
    IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG, English, Scientific journal
    DOI:https://doi.org/10.1587/transfun.E94.A.473
    DOI ID:10.1587/transfun.E94.A.473, ISSN:0916-8508, eISSN:1745-1337, Web of Science ID:WOS:000290125600002
  • A study on binding process of visual features in human visual cortex by classification analysis on brain activity data               
    KURIKI Ichiro; NAKAMURA Shingo; MIAO Renjun; TOKUNAGA Rumi; MATAUMIYA Kazumichi; SHIOIRI Satoshi
    ITE Technical Report, Volume:35, Number:0, First page:41, Last page:44, 2011, [Reviewed]
    Visual feature information such as motion, shape, color, and etc. are known to be processed at localized visual areas. Since we perceive unified features from one object, e.g, color and motion, the integration of those signals might take place somewhere in the visual system. The present study made attempts to track the separation and binding processes of visual feature signals by the analysis of brain activities measured by functional MRI technique.
    The Institute of Image Information and Television Engineers, Japanese
    DOI:https://doi.org/10.11485/itetr.35.51.0_41
    DOI ID:10.11485/itetr.35.51.0_41, ISSN:1342-6893, CiNii Articles ID:110009328326, CiNii Books ID:AN1059086X
  • Perceptual binding of color and visual motion signals in human visual cortex studied by multi-voxel-pattern-classification analysis for BOLD fMRI signals               
    Ichiro Kuriki; Shingo Nakamura; Rumi Tokunaga; Kazumichi Matsumiya; Satoshi Shioiri
    NEUROSCIENCE RESEARCH, Volume:71, First page:E49, Last page:E49, 2011, [Reviewed]
    ELSEVIER IRELAND LTD, English, International conference proceedings
    DOI:https://doi.org/10.1016/j.neures.2011.07.207
    DOI ID:10.1016/j.neures.2011.07.207, ISSN:0168-0102, Web of Science ID:WOS:000308218100205
  • The influence of spatial representation on pointing task               
    Takanori Yamazaki; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    VISION, Volume:22, Number:3, First page:149, Last page:163, Aug. 2010, [Reviewed]
    Japanese, Scientific journal
    ISSN:0917-1142, J-Global ID:201002298694102931
  • Looking off effect;shift of face direction caused by a rotating object               
    Kotaro Hashimoto; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    Vision Sciences Society, 2010
    English, International conference proceedings
  • Evaluation of early state of cyanopsia with subjective color settings immediately after cataract removal surgery               
    Takaaki Kitakawa; Satoshi Nakadomari; Ichiro Kuriki; Kenji Kitahara
    JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, Volume:26, Number:6, First page:1375, Last page:1381, Jun. 2009, [Reviewed]
    We evaluated cyanopsia by means of achromatic-point settings at several time points started from the day before intraocular lens (IOL) implantation for cataract removal surgery. We intensively measured the initial drift in color appearance; we started the measurement less than 30 min after eyepatch removal, and the measurement continued for several weeks. The shifts were mainly observed in the direction of color space that selectively varies short-wavelength-sensitive cone (S-cone) responses. The time constant of shifts in color appearance was estimated at the initial stage of cyanopsia by fitting exponential curves. The result of fitting suggests that color appearance is recalibrated during cyanopsia by some neural mechanisms with a time constant of several hours. It also became clear that the migration of the achromatic point becomes slower within approximately 12 h after eyepatch removal. (C) 2009 Optical Society of America
    OPTICAL SOC AMER, English, Scientific journal
    ISSN:1084-7529, Web of Science ID:WOS:000267499600008
  • Evaluation of cyanopsia by objective achromatic setting               
    Takaaki Kitakawa; Satoshi Nakadomari; Ichiro Kuriki; Kenji Kitahara
    Journal of the Optical Society of America A, Volume:26, Number:6, First page:1375, Last page:1381, Jun. 2009, [Reviewed]
    English, Scientific journal
    DOI:https://doi.org/10.1364/JOSAA.26.001375
    DOI ID:10.1364/JOSAA.26.001375
  • Influence of auditory information on reading speed and eye movement control in reading               
    Kazumichi Matsumiya; Hideki Sugiyama; Satoshi Shioiri; Ichiro Kuriki
    Kansei Engineering International, Volume:9, Number:2, First page:221, Last page:228, Apr. 2009, [Reviewed]
    English, Scientific journal
    DOI:https://doi.org/10.5057/E080225-1
    DOI ID:10.5057/E080225-1
  • Influence of auditory information on reading speed and eye movement control in reading               
    Matsumiya, K; Sugiyama, H; Shioiri, S; Kuriki, I
    Kansei Engineering International, Volume:8, Number:2, First page:225, Last page:231, Feb. 2009, [Reviewed], [Invited]
    English, Scientific journal
    DOI:https://doi.org/10.5057/E080225-1
    DOI ID:10.5057/E080225-1
  • fMRI study on the hue selectivity of neurons in human visual cortex               
    Ichiro Kuriki; Pei Sun; Ken-ichi Ueno; Keiji Tanaka; Kang Cheng
    NEUROSCIENCE RESEARCH, Volume:65, First page:S44, Last page:S44, 2009, [Reviewed]
    ELSEVIER IRELAND LTD, English, International conference proceedings
    DOI:https://doi.org/10.1016/j.neures.2009.09.065
    DOI ID:10.1016/j.neures.2009.09.065, ISSN:0168-0102, Web of Science ID:WOS:000272421100289
  • Functional brain imaging of the Rotating Snakes illusion by fMRI               
    Ichiro Kuriki; Hiroshi Ashida; Ikuya Murakami; Akiyoshi Kitaoka
    JOURNAL OF VISION, Volume:8, Number:10, First page:1, Last page:10, 2008, [Reviewed]
    The neural basis of illusory motion perception evoked from static images has not been established well. We examined changes in neural activity in motion sensitive areas of the human visual cortex by using functional magnetic resonance imaging (fMRI) technique when a static illusory-motion image ('Rotating Snakes') was presented to participants. The blood-oxygenation-level dependent (BOLD) signal changes were compared between the test stimulus that induced illusory motion perception and the control stimulus that did not. Comparison was also made between those stimuli with and without eye movements. Signal changes for the test stimulus were significantly larger than those for the control stimulus, if accompanied by eye movements. On the other hand, the difference in signal changes between test and control stimuli was smaller, if steady fixation was required. These results support the empirical finding that this illusion is related to some component of eye movements.
    ASSOC RESEARCH VISION OPHTHALMOLOGY INC, English, Scientific journal
    DOI:https://doi.org/10.1167/8.10.16
    DOI ID:10.1167/8.10.16, ISSN:1534-7362, Web of Science ID:WOS:000262231200018
  • Human visual system integrates color signals along a motion trajectory               
    Shin'ya Nishida; Junji Watanabe; Ichiro Kuriki; Toyotaro Tokimoto
    CURRENT BIOLOGY, Volume:17, Number:4, First page:366, Last page:372, Feb. 2007, [Reviewed]
    Whether fundamental visual attributes, such as color, motion, and shape, are analyzed separately in specialized pathways has been one of the central questions of visual neuroscience [1-3]. Although recent studies have revealed various forms of cross-attribute interactions, including significant contributions of color signals to motion processing [4-9], it is still widely believed that color perception is relatively independent of motion processing. Here, we report a new color illusion, motion-induced color mixing, in which moving bars, the color of each of which alternates between two colors (e.g., red and green), are perceived as the mixed color (e.g., yellow) even though the two colors are never superimposed on the retina. The magnitude of color mixture is significantly stronger than that expected from direction-insensitive spatial integration of color signals [10, 11]. This illusion cannot be ascribed to optical image blurs, including those induced by chromatic aberration [12, 13], or to involuntary eye movements of the observer. Our findings indicate that color signals are integrated not only at the same retinal location, but also along a motion trajectory. It is possible that this neural mechanism helps us to see verldical colors for moving objects by reducing motion blur, as in the case of luminance-based pattern perception [14-19].
    CELL PRESS, English, Scientific journal
    DOI:https://doi.org/10.1016/j.cub.2006.12.041
    DOI ID:10.1016/j.cub.2006.12.041, ISSN:0960-9822, Web of Science ID:WOS:000244463100029
  • Aftereffect of contrast adaptation to a chromatic notched-noise stimulus               
    Ichiro Kuriki
    Journal of the Optical Society of America A: Optics and Image Science, and Vision, Volume:24, Number:7, First page:1858, Last page:1872, 2007, [Reviewed]
    One of the most challenging topics in the study of human color vision is the investigation of the number of hue-selective channels that are necessary for the representation of color appearance at the post-opponent level and the bandwidth of their sensitivity. The present study aims to elucidate this issue by using a chromatic version of the notch-filtered noise (herein, notched-noise) stimulus for contrast adaptation. After adaptation to this stimulus, some color-sensitive mechanisms that selectively respond to missing hues in the notched-noise stimulus may remain sensitive, while the other mechanisms may be desensitized. The shifts in the color appearance of a gray test field after the adaptation to such a notched noise were measured using the method of adjustment. The results showed systematic shifts in the hue and saturation. They showed neither point nor line symmetric profiles with respect to the achromatic point in an isoluminant plane. The fittings of the results, obtained by using a tiny numerical model for assessing the hue-selective mechanisms, suggested that there are at least two narrowly tuned and at least three broadly tuned mechanisms. The narrowly tuned mechanisms are the most sensitive along the blue and yellow directions. The present study confirmed the variation of multiple channels at the post-opponent level and suggested that this variation may be responsible for the processing of color appearance. © 2007 Optical Society of America.
    OSA - The Optical Society, English, Scientific journal
    DOI:https://doi.org/10.1364/JOSAA.24.001858
    DOI ID:10.1364/JOSAA.24.001858, ISSN:1084-7529, PubMed ID:17728808, SCOPUS ID:34548316385
  • The loci of achromatic points in a real environment under various illuminant chromaticities               
    Ichiro Kuriki
    VISION RESEARCH, Volume:46, Number:19, First page:3055, Last page:3066, Oct. 2006, [Reviewed]
    Under colored illumination, the achromatic point (the point in the chromaticity diagram seen as colorless) shifts toward the chromaticity of the illuminant. This investigation measured the loci of achromatic points for various intensities of a test field presented in a real rather than a simulated environment, lit by illuminants of various chromaticities. The achromatic point varied markedly with the intensity level of the test field: for dim test fields it was close to the surround chromaticity, but for high luminance test fields it was almost invariant with the surround chromaticity. The varying achromatic settings imply a variation in the relative effectiveness of the different cone types, but this variation originates in the postreceptoral system rather than at the photoreceptors themselves: flicker photometric sensitivity was almost independent of the illuminant in all cases. Nor does the variation take the simple form of a sensitivity-scaling coefficient; such a model can not predict the observed dependence of the achromatic setting on test intensity. The data could, however, be modeled with a scheme in which the log of the relative cone weight implicit in the achromatic setting depends almost linearly on (1) the log of the relative cone excitation by the illuminant and (2) the log of the test field intensity. (c) 2006 Elsevier Ltd. All rights reserved.
    PERGAMON-ELSEVIER SCIENCE LTD, English, Scientific journal
    DOI:https://doi.org/10.1016/j.visres.2006.03.012
    DOI ID:10.1016/j.visres.2006.03.012, ISSN:0042-6989, eISSN:1878-5646, Web of Science ID:WOS:000240398800001
  • 2. Recent Progress in Functional Brain Imaging Techniques               
    Ichiro Kuriki
    Kyokai Joho Imeji Zasshi/Journal of the Institute of Image Information and Television Engineers, Volume:60, Number:11, First page:1725, Last page:1730, Sep. 2006, [Reviewed]
    English, Scientific journal
    DOI:https://doi.org/10.3169/itej.60.1725
    DOI ID:10.3169/itej.60.1725, ISSN:1342-6907, SCOPUS ID:85024448150
  • The center-of-gravity model of chromostereopsis               
    Akiyoshi Kitaoka; Ichiro Kuriki; Hiroshi Ashida
    Ritsumeikan Journal of Human Sciences, Volume:11, First page:59, Last page:64, 2006, [Reviewed]
    Ritsumeikan University, English, Research institution
    ISSN:1346-678X, CiNii Articles ID:110006378636, CiNii Books ID:AA1153920X
  • Direction-specific adaptation of magnetic responses to motion onset               
    K Amano; Kuriki, I; T Takeda
    VISION RESEARCH, Volume:45, Number:19, First page:2533, Last page:2548, Sep. 2005, [Reviewed]
    We investigated the direction-specificity of motion adaptation, by recording magnetic responses evoked by motion onsets under both adapted and control conditions. The inter-stimulus interval was equated between the conditions to precisely evaluate the effect of motion adaptation itself. The onset stimuli at 1.5, 3.0 or 6.0 deg/s moved in the same direction or in the opposite direction to an adaptation stimulus at 3.0 deg/s. The perceived velocity of each test stimulus was measured in separate sessions. The most prominent peak (M2) of evoked responses appeared around 200-300 ins after motion onsets, and the dipoles were mainly estimated in the temporo-occipital area. Adaptation largely affected both perceived velocities and the M2 amplitudes. The N12 amplitudes were decreased by adaptation for both directions of test stimuli, and the decreases were significantly larger for the test stimuli in the adapted direction (49-63% of control condition) than for the test stimuli in the opposite direction (17-27% of control. condition). The present study, for the first time, found that magnetic responses evoked by motion onsets reflect the activities of neurons that have direction-specificity. (c) 2005 Elsevier Ltd. All rights reserved.
    PERGAMON-ELSEVIER SCIENCE LTD, English, Scientific journal
    DOI:https://doi.org/10.1016/j.visres.2005.02.024
    DOI ID:10.1016/j.visres.2005.02.024, ISSN:0042-6989, Web of Science ID:WOS:000231004600007
  • MEG recording from the human ventro-occipital cortex in response to isoluminant color stimulation               
    Kuriki, I; K Sadamoto; T Takeda
    VISUAL NEUROSCIENCE, Volume:22, Number:3, First page:283, Last page:293, May 2005, [Reviewed]
    In contrast to PET and fMRI studies, color-selective responses from the ventro-occipital area have rarely been reported in MEG studies. We tried to minimize the stimulation to all areas in the visual system except the color-processing ones by using a color space based on psychophysical and physiological knowledge in order to maximize the signal-to-noise ratio for MEG responses from the ventro-occipital area. MEG obtained from long intermittent reversals (2.0-3.5 s) of isoluminant chromatic gratings showed two major peaks at the latencies of approximately 100 and 150 ms. The estimated location of the equivalent-current dipole for response at 100-ms latency was in the calcarine sulcus and that of the dipole for the response at 150 Ins was in the collateral sulcus in the ventro-occipital area. The response around 150 ms was uniquely observed in MEG elicited by chromatic reversals. The average of lags between MEG responses from the calcarine sulcus and ventro-occipital area was 43 ms, which suggests sequential processing of color information across the visual cortices.
    CAMBRIDGE UNIV PRESS, English, Scientific journal
    DOI:https://doi.org/10.1017/S0952523805223040
    DOI ID:10.1017/S0952523805223040, ISSN:0952-5238, eISSN:1469-8714, Web of Science ID:WOS:000231330600004
  • Non-Invasive Measurements of Brain Activity and Eye Movements               
    Ichiro Kuriki
    Kyokai Joho Imeji Zasshi/Journal of the Institute of Image Information and Television Engineers, Volume:58, Number:6, First page:773, Last page:778, Sep. 2004, [Reviewed]
    English, Scientific journal
    DOI:https://doi.org/10.3169/itej.58.773
    DOI ID:10.3169/itej.58.773, ISSN:1342-6907, SCOPUS ID:85024439340
  • Testing the possibility of average-color perception from multi-colored patterns
    Ichiro Kuriki
    Optical Review, Volume:11, Number:4, First page:249, Last page:257, Jul. 2004, [Reviewed]
    To test the possibility that an average color is perceived from a multi-colored pattern, the appearance of colored mosaic patterns as a whole was measured by the method of adjustment. As the range of color distribution in a mosaic pattern became larger, subjects' matches deviated more from the photometric averages of each pattern and the subjects perceived higher brightness from mosaic patterns. Since the saliency of element colors was different in an equiluminant mosaic pattern, two possible hypotheses for selecting a color which represents a mosaic pattern was examined by using brightness match results for each element color. The results show that the mosaic element with the highest-saturation strongly influences the choice of a color to represent a mosaic pattern.
    English, Scientific journal
    DOI:https://doi.org/10.1007/s10043-004-0249-2
    DOI ID:10.1007/s10043-004-0249-2, ISSN:1340-6000, SCOPUS ID:6044228273
  • A case of extreme simultaneous color-contrast in a patient with hypoxic encephalopacy               
    Ichiro Kuriki; Satoshi Nakadomari; Kenji Kitahara
    VISION, Volume:15, Number:4, First page:233, Last page:244, Dec. 2003, [Reviewed]
    English, Scientific journal
    CiNii Articles ID:10011746952
  • Functional MRIによる高次脳機能障害研究               
    仲泊 聡; 北原 健二; 神立 敦; 高橋 寧子; 久米川 浩一; 浅川 晋宏; 大橋 正洋; 上久保 毅; 橋本 圭司; 所 和彦; 柳下 三郎; 山野内 忠雄; 細沼 良夫; 横田 真一; 宮内 哲; 内川 惠二; 栗木 一郎; 村上 郁也; 市原 恭代; 岡本 淳
    Number:29, First page:143, Last page:147, Mar. 2003, [Reviewed]
    Japanese
    ISSN:0285-3477, 医中誌Web ID:2006287871
  • Nonlinear adjustment of visual sensitivity balance in a real world               
    Ichiro Kuriki
    Journal of Vision, Volume:3, Number:9, First page:447, 2003, [Reviewed]
    Introduction. Shifts in the visual sensitivity introduce shifts in color appearance, which is often experienced under changes in illuminant chromaticity. A few previous studies suggested that the shift in color appearance could be explained by applying a set of fixed coefficient to each cone response, regardless of lightness level. The present study tested whether a set of fixed coefficients is applicable to a wide range of lightness. Methods. The observer made achromatic settings in a real room with variable-chromaticity illuminant on the ceiling. A matching stimulus was presented on a CRT screen, placed behind a small hole (5cm × 5cm) in a gray-painted wall. The illuminant chromaticity changed from white (D65) to blue, orange, green, and purple. The observer adapted to the illuminant for at least 5 minutes and then started the achromatic settings for five luminance levels of stimulus. Observer repeated the settings for five times in a random order. The results were assessed with relative M-cone weight (Ahn and MacLeod, 1994). Results. The achromatic point shifted monotonically toward D65, as the stimulus intensity increased. The shifts in achromatic point were fitted nicely with linear regressions on a log-cone-contrast vs. log-luminance-contrast plane. After a careful analysis for the three cone classes, systematic shifts were also found in the slopes and intersections of the fitted lines. Discussions. The previous reports, including ours (Kuriki, et al., 2000), suggested that a set of fixed coefficient is sufficient to estimate the shift in color appearance under a change in illuminant chromaticity. However, this was an over simplification. After a precise examination for L and M cones, they show slight but consistent change in the degree of nonlinearity (slope in a log-log plot), as well as S cones. This nonlinearity may explain the appearance of Land's two-color projection, which appears trichromatic, even though it is composed of dichromatic lights.
    English, Scientific journal
    DOI:https://doi.org/10.1167/3.9.447
    DOI ID:10.1167/3.9.447, ISSN:1534-7362, SCOPUS ID:4243139567
  • Nonlinear changes in visual sensitivity balance under changes in the chromaticity of ambient illuminant               
    Ichiro Kuriki
    Journal of Vision, Volume:3, Number:12, First page:45, 2003, [Reviewed]
    Introduction. A linear transformation of cone responses with a diagonal matrix is known to be the simplest and good approximation to describe the shift in color appearance under changes in the chromaticity of illuminant. However, how the diagonal components are defined is not clearly understood. The present study investigates how the coefficients change in a real environment. Methods. Subjects were asked to stay in an illuminated booth for at least 15 minutes, and then, asked to adjust the apparent color of a color patch in the front wall to be achromatic. The illuminant chromaticities were D65, blue, orange, purple and green. The stimulus was presented by a CRT display placed behind a small hole on the wall, and the light from CRT display was independent from the room illuminant. The luminance level of the stimulus was varied among 5 levels, which provides with five lightness levels. The observer also conducted HFP with the same stimulus to see which stage of the visual system introduces the changes in color shift under illuminant color changes. To evaluate the shift in sensitivity balance at each cone class, the observers also made achromatic adjustments under cone plateau. Results and discussions. As the lightness level of the stimulus increased, the achromatic point shifted from illuminant chromaticity to white, which was measured under cone plateau and was different between observers. The result was evaluated with an extension of relative M-cone weight by Ahn and MacLeod(1994), and the achromatic loci were fit with a linear function on a log-luminance-contrast axis. Also, the behavior of relative M-cone weights for achromatic adjustments and HFP settings were different, which suggests the nonlinear characteristics originate in post-receptoral stages in the visual system.
    English, Scientific journal
    DOI:https://doi.org/10.1167/3.12.45
    DOI ID:10.1167/3.12.45, ISSN:1534-7362, SCOPUS ID:4143115626
  • Characteristics of color memory for natural scenes               
    K Amano; K Uchikawa; Kuriki, I
    JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, Volume:19, Number:8, First page:1501, Last page:1514, Aug. 2002, [Reviewed]
    To study the characteristics of color memory for natural images, a memory-identification task was performed with differing color contrasts; three of the contrasts were defined by chromatic and luminance components of the image, and the others were defined with respect to the categorical colors. After observing a series of pictures successively, subjects identified the pictures using a confidence rating. Detection of increased contrasts tended to be harder than detection of decreased contrasts, suggesting that the chromaticness of pictures is enhanced in memory. Detecting changes within each color category was more difficult than across the categories. A multiple mechanism that processes color differences and categorical colors is briefly considered. (C) 2002 Optical Society of America.
    OPTICAL SOC AMER, English, Scientific journal
    DOI:https://doi.org/10.1364/JOSAA.19.001501
    DOI ID:10.1364/JOSAA.19.001501, ISSN:0740-3232, Web of Science ID:WOS:000177021500005
  • Chromatic signal-to-noise ratio affects chromatic gamut effect               
    Ichiro Kuriki
    Journal of Vision, Volume:2, Number:7, First page:146, 2002, [Reviewed]
    Introduction. If a chromatic contrast of a display were increased, a color patch of low chromatic saturation would appear nearly achromatic, and vice versa*. The current study will report a strong asymmetry in this chromatic gamut effect according to temporal modulation, which may provide a clue to clarify the mechanism of this phenomenon. Methods. An array of 44 × 33 multi-colored squares (36deg × 27deg) was presented as center- and surround-stimuli. The change in detection ratio for the center stimulus (probe
    2deg × 2deg) was measured during a slow change in chromatic contrast in the surround. The color of each square was randomly selected from 9 hues that equally distributed in hue around equal-energy white (W_eq). The chromaticity for the surround was varied in saturation, from zero to 0.050 in CIE u'v' distance from the W_eq, under isoluminance. A cycle of temporal modulation for the surround consisted of four 20s phases: 1) gray (W_eq , 2) increment, 3) maximum saturation and 4) decrement. In the phases 1 and 3, saturation was kept constant for 20s, at zero and 0.050, respectively. In the phases 2 and 4, saturation was modulated continuously between zero and 0.050 with an incremental- and a decremental-half of a raised-cosine envelope (0.025Hz), respectively. The chromatic modulation of the probe was independent from the surround, as a 1s raised-cosine envelope (1Hz) with the maximum saturation of 0.005 in u'v' distance. The probe was presented every 5s, except catch trials. 20 cycles were repeated in a session. Result. Results were analyzed according to signal detection theory. Hit rates were significantly different between the phases 2 and 4, as well as between the phases 1 and 3. The false-alarm rate was higher in the decrement phase than in the increment phase. Conclusion. The current result implies that the signal-to-noise ratio in the chromatic mechanism coulds be a cause of the gamut effect.
    English, Scientific journal
    DOI:https://doi.org/10.1167/2.7.146
    DOI ID:10.1167/2.7.146, ISSN:1534-7362, SCOPUS ID:4243194604
  • Characteristics of color memory for natural scenes               
    Kinjiro Amano; Keiji Uchikawa; Ichiro Kuriki
    Journal of the Optical Society of America A: Optics and Image Science, and Vision, Volume:19, Number:8, First page:1501, Last page:1514, 2002, [Reviewed]
    To study the characteristics of color memory for natural images, a memory-identification task was performed with differing color contrasts
    three of the contrasts were defined by chromatic and luminance components of the image, and the others were defined with respect to the categorical colors. After observing a series of pictures successively, subjects identified the pictures using a confidence rating. Detection of increased contrasts tended to be harder than detection of decreased contrasts, suggesting that the chromaticness of pictures is enhanced in memory. Detecting changes within each color category was more difficult than across the categories. A multiple mechanism that processes color differences and categorical colors is briefly considered. © 2002 Optical Society of America.
    OSA - The Optical Society, English, Scientific journal
    DOI:https://doi.org/10.1364/JOSAA.19.001501
    DOI ID:10.1364/JOSAA.19.001501, ISSN:1084-7529, PubMed ID:12152690, SCOPUS ID:0036673227
  • Brightness, not luminance, determines transition from the surface-color to the aperture-color mode for colored lights               
    K Uchikawa; K Koida; T Meguro; Y Yamauchi; Kuriki, I
    JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, Volume:18, Number:4, First page:737, Last page:746, Apr. 2001, [Reviewed]
    Whether a color stimulus appears in the surface-color or in the aperture-color mode depends on the luminance relationship between the center color stimulus and its surround. We investigated how chromaticity of a color stimulus affected the luminance level at which the appearance of the stimulus changed from the surface-color to the aperture-color mode. Mode estimation points were obtained for 10-cd/m(2) color stimuli with different chromaticities presented in the center of a white surround of variable luminance. The color stimuli tended to appear in the aperture-color mode as purity increased, similarly to the increase of the brightness-to-luminance ratio for equal-luminance colors. It was also found that the mode-transition sensitivity function was similar in shape to the brightness sensitivity function for 440-660-m monochromatic light. Our results indicate that brightness is a determining factor for mode transition between the surface-color and the aperture-color modes. We discuss a possible assumption for relationships between brightness and lightness limits of a surface color. (C) 2001 Optical Society of America.
    OPTICAL SOC AMER, English, Scientific journal
    DOI:https://doi.org/10.1364/JOSAA.18.000737
    DOI ID:10.1364/JOSAA.18.000737, ISSN:0740-3232, Web of Science ID:WOS:000167741600001
  • 運動残効における脳内過程の脳磁場解析               
    Kaoru Amano; Ichiro Kuriki; Takashi Owaki; Tsunehiro Takeda
    日本ME学会誌, Volume:39, Number:3, First page:213, Last page:224, Mar. 2001, [Reviewed]
    Japanese, Scientific journal
    DOI:https://doi.org/10.11239/jsmbe1963.39.213
    DOI ID:10.11239/jsmbe1963.39.213, CiNii Articles ID:50000986757
  • Brightness, not luminance, determines transition from the surface-color to the aperture-color mode for colored lights               
    Keiji Uchikawa; Kowa Koida; Toshihisa Meguro; Yasuki Yamauchi; Ichiro Kuriki
    Journal of the Optical Society of America A: Optics and Image Science, and Vision, Volume:18, Number:4, First page:737, Last page:746, 2001, [Reviewed]
    Whether a color stimulus appears in the surface-color or in the aperture-color mode depends on the luminance relationship between the center color stimulus and its surround. We investigated how chromaticity of a color stimulus affected the luminance level at which the appearance of the stimulus changed from the surface-color to the aperture-color mode. Mode estimation points were obtained for 10-cd/m2 color stimuli with different chromaticities presented in the center of a white surround of variable luminance. The color stimuli tended to appear in the aperture-color mode as purity increased, similarly to the increase of the brightness-to-luminance ratio for equal-luminance colors. It was also found that the mode-transition sensitivity function was similar in shape to the brightness sensitivity function for 440-660-m monochromatic light. Our results indicate that brightness is a determining factor for mode transition between the surface-color and the aperture-color modes. We discuss a possible assumption for relationships between brightness and lightness limits of a surface color. © 2001 Optical Society of America.
    English, Scientific journal
    DOI:https://doi.org/10.1364/JOSAA.18.000737
    DOI ID:10.1364/JOSAA.18.000737, ISSN:1520-8532, SCOPUS ID:0038116560
  • 加齢による水晶体黄変が色覚特性に及ぼす効果               
    Ichiro Kuriki; Wataru Ishii; Keiji Uchikawa
    照明学会誌, Volume:84, Number:2, First page:107, Last page:116, Feb. 2000, [Reviewed]
    We conducted four kinds of psychophysical measurements on color vision to investigate whether the change in lens spectral transmittance that comes with aging is the primary factor in the change in color vision. We asked two observers (22 and 24 years old) to adapt to the scene while wearing goggles equipped with filters that simulate spectral transmittance at the retinal level of a person of 80 years old, when worn by 20 years old observer. During the test, which lasted as long as 12 hours, the observers performed (1) unique-white setting, (2) heterochromatic flicker photometry (HFP), (3) heterochromatic brightness matching (HBM), and (4) 100-hue test. The change in the results with and without the goggle showed that only difference in HFP sensitivity coincided exactly with the filter transmittance. A similar tendency was found in the difference between 20- and 80-year-old observers in a previous study. The other tests matched with neither the difference in spectral transmittance nor the difference between 20- and 80-year-old experimental results. Our results suggest that neural circuits, which may differ from those for illuminant change, play a significant role in correcting the relative spectrum change on the retina.
    The Illuminating Engineering Institute of Japan (IEIJ), Japanese, Scientific journal
    DOI ID:10.2150/jieij1980.84.2_107, ISSN:0019-2341, CiNii Articles ID:110001144800, CiNii Books ID:AN00268860
  • Dynamics of asymmetric color matching
    Ichiro Kuriki; Yukio Oguma; Keiji Uchikawa
    Optical Review, Volume:7, Number:3, First page:249, Last page:259, 2000, [Reviewed]
    It is known that the human color constancy is not complete. We conducted asymmetric color matching experiments to clarify a simple question: what was it that the observer matched. Observers made apparentcolor matches between Munsell color chips under D65 illumination and a color chip presented on a CRT. The observers' matches showed incomplete color constancy. We applied relative cone-weight transformation to each observer's results under control condition, so as to equate the unique-white point for each illuminant condition. The result of this simple transformation showed good match to the actual data. Our results suggest what the observer was doing during the asymmetric color matches was picking up apparent-color signal, achieved from the test color chip under D65, and reconstructing it with respect to the unique-white by a simple cone response scaling.
    Optical Society of Japan, English, Scientific journal
    DOI:https://doi.org/10.1007/s10043-000-0249-9
    DOI ID:10.1007/s10043-000-0249-9, ISSN:1340-6000, SCOPUS ID:0034341827
  • 周辺視野におけるカテゴリカル色知覚               
    Kaori Segawa; Keiji Uchikawa; Ichiro Kuriki
    照明学会誌, Volume:83, Number:11, First page:860, Last page:868, Nov. 1999, [Reviewed]
    We can perceive small color differences, and we can also perceive color as a group of many different colors (categorical color perception). Visual performances based on small color differences are known to be better in the central visual field than in the periphery. We have clarified the characteristics of categorical color perception in the peripheral visual field. Observers were shown color chips of the OSA Uniform Color Scales set in the central or the peripheral visual field. The chip, which subtended 4deg, was presented at the fovea (0deg), eccentricities of 30, 50, and 60 deg in the nasal visual field and of 30, 50, 70, 80, and 90 deg in the temporal visual field. A large gray surrounding field was made with a hemisphere and illuminated at a moderate intensity of D_65 lights (yielding 2000 scotopic td) to suppress rod activity. The observers reported color appearance of the stimulus with one of the eleven basic color terms. The distributions of the color categories on the xy chromaticity diagram varied little between stimulus locations from 30 deg to the nasal and 70 deg to the temporal visual field. The results of eccentricities greater than nasal 50 deg and temporal 80 deg were remarkable different from those in the locations closer to the fovea. Our results suggest that categorical color perception in the central visual field is maintained across a wide area of the peripheral visual field.
    The Illuminating Engineering Institute of Japan (IEIJ), Japanese, Scientific journal
    DOI ID:10.2150/jieij1980.83.11_860, ISSN:0019-2341, CiNii Articles ID:110001144748, CiNii Books ID:AN00268860
  • 輝度コントラスト閾値を用いた消去現象の測定               
    Masahiro Saito; Satoshi Nakadomari; Kenji Kitahara; Ichiro Kuriki; Keiji Uchikawa
    VISION, Volume:11, Number:4, First page:161, Last page:169, Oct. 1999, [Reviewed]
    Japanese, Scientific journal
  • Adaptive shift of visual sensitivity balance under ambient illuminant change
    Kuriki, I; K Uchikawa
    JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, Volume:15, Number:9, First page:2263, Last page:2274, Sep. 1998, [Reviewed]
    We examined the relationship between the ambient illuminant chromaticity and changes in the sensitivity balance of the visual system, using illuminants of various chromaticities. The sensitivity of observers was measured in a room with a variable-chromaticity illuminant. The observer's state of chromatic adaptation was measured with unique-white settings. Our results showed that the change in visual sensitivity has a nonlinear correlation with the change in illuminant chromaticity; chromatic adaptation was nearly complete for desaturated illuminants, but the degree of chromatic adaptation became worse as the illuminant became more saturated. We defined a new index, relative cone weights, which represents this relationship well. To measure the role of chromatic induction from the immediate-surround area of the matching stimulus, we performed additional experiments by presenting the test inside a colored or black immediate surround. The results showed that the unique-white settings were not disturbed by the change in immediate-surround color. Our results imply that the room illuminant chromaticity was the primary factor in changing the observer's state of chromatic adaptation. (C) 1998 Optical Society of America.
    OPTICAL SOC AMER, English, Scientific journal
    ISSN:0740-3232, Web of Science ID:WOS:000075700600002
  • Effect of Crystaline-lens Cataract on Color Perception               
    KURIKI Ichiro; ISHII Wataru; UCHIKAWA Keiji
    ITE Technical Report, Volume:22, Number:26, First page:25, Last page:30, May 1998
    Crystaline-lens cataract occurs as a result of aging of ocular media, which brings change in specturm of light falling on retina. We examined the effect of cataract on color perception by comparing color vision performances of young obsrevers with and without a glasses (simulating difference in spectral transmittance of clystaline-lens of 80yrs and 20yrs) in several psychophisical methods. Our result suggests that when young observer wares this special glasses, only flicker-sensitivity showed changes consistent to spectrum change on the retina. Other color vision showed smaller changes than expected from the change in spectrum. However, these changes do not coincides to the changes in color vision of actual aged-observers (Shefrin and Werner, 1993 ; Kraft and Werner, 1994). Therefore, some change in neural mechanisms in higher order visual system may play a significant role in changes of color vision mechanisms across aging.
    The Institute of Image Information and Television Engineers, Japanese
    DOI:https://doi.org/10.11485/itetr.22.26.0_25
    DOI ID:10.11485/itetr.22.26.0_25, ISSN:1342-6893, CiNii Articles ID:110003689857, CiNii Books ID:AN1059086X
  • 触覚情報の視覚誘導自己運動感覚に与える影響               
    清水 慶尚; 栗木 一郎; 内川 惠二; 石井 雅博; 佐藤 誠
    Volume:10, Number:4, First page:201, Last page:204, 1998
    Japanese
    DOI:https://doi.org/10.24636/vision.10.4_201
    DOI ID:10.24636/vision.10.4_201, ISSN:0917-1142, CiNii Articles ID:130007634486
  • Two Classes of Color Constancy: Perfect Color Constancy and Partial Color Constancy               
    Ichiro Kuriki; Keiji Uchikawa
    Journal of Light and Visual Environment, Volume:22, Number:2, First page:27, Last page:40, 1998, [Reviewed]
    If a mere apparent color (apparent-color) from an object surface is equal to a color perception as an attribute of the same object surface (surface-color), this condition should be called “perfect color constancy.” If not, the condition should be called “partial color constancy.” We looked into the distinction betweeen these two classes of color constancy, while changing illuminant chromaticity around D65. A small room with variable-chromaticity illuminant was used. The walls were painted with N5 gray. A CRT monitor was placed behind an aperture on the front wall, so that the observer perceived the CRT monitor as a reflecting surface on the wall. Observers were asked to make unique-white settings, in terms of both apparent-color and surface-color, under various chromaticites of illuminants. The shift in unique-white represents the shifts in visual sensitivity, and an analysis based on a simple von Kries type model was made. Cone weights for each cone class were defined to represent the state of chromatic adaptation. The change in cone weights show that the sensitivity shift in the visual system follows illuminant chromaticity change only around white, and the visual system was not able to follow illuminant chromaticity change for saturated illuminants. An additional experiment confirmed that these results had no contamination of simultaneous contrast effect. This result may correspond to the fact that “perfect color constancy” holds under whitish illuminant while “partial color contancy” holds under colored illuminants. In conclusion, we suggest that the “perfect color contancy” can be achieved only by von Kries-like sensitivity change, and the “partial color contancy” requires further processing at the higher stages of the human visual system. key words: perfect color constancy, partial color constancy, chromatic adaptaion, unique-white, cone weight. © 1998, The Illuminating Engineering Institute of Japan. All rights reserved.
    English, Scientific journal
    DOI:https://doi.org/10.2150/jlve.22.2_27
    DOI ID:10.2150/jlve.22.2_27, ISSN:1349-8398, SCOPUS ID:85024746945
  • Adaptive shift of visual sensitivity balance under ambient illuminant change               
    Ichiro Kuriki; Keiji Uchikawa
    Journal of the Optical Society of America A: Optics and Image Science, and Vision, Volume:15, Number:9, First page:2263, Last page:2274, 1998, [Reviewed]
    We examined the relationship between the ambient illuminant chromaticity and changes in the sensitivity balance of the visual system, using illuminants of various chromaticities. The sensitivity of observers was measured in a room with a variable-chromaticity illuminant. The observer’s state of chromatic adaptation was measured with unique-white settings. Our results showed that the change in visual sensitivity has a nonlinear correlation with the change in illuminant chromaticity
    chromatic adaptation was nearly complete for desaturated illuminants, but the degree of chromatic adaptation became worse as the illuminant became more saturated. We defined a new index, relative cone weights, which represents this relationship well. To measure the role of chromatic induction from the immediate-surround area of the matching stimulus, we performed additional experiments by presenting the test inside a colored or black immediate surround. The results showed that the unique-white settings were not disturbed by the change in immediate-surround color. Our results imply that the room illuminant chromaticity was the primary factor in changing the observer’s state of chromatic adaptation. © 1998 Optical Society of America.
    English, Scientific journal
    DOI:https://doi.org/10.1364/JOSAA.15.002263
    DOI ID:10.1364/JOSAA.15.002263, ISSN:1520-8532, PubMed ID:9729850, SCOPUS ID:0032160386
  • Chromatic Adaptation Aftereffects on Luminance and Chromatic Channels               
    Ichiro Kuriki; Donald; I.A. MacLeod
    John Dalton’s Colour Vision Legacy, First page:73, Last page:83, 1998, [Reviewed]
    English, Scientific journal
    CiNii Articles ID:10021043292
  • Measurement of color constancy by color memory matching               
    K Uchikawa; Kuriki, I; Y Tone
    OPTICAL REVIEW, Volume:5, Number:1, First page:59, Last page:63, Jan. 1998, [Reviewed]
    Degree of color constancy was measured when color memory was involved in color comparison judgment. We used the Optical Society of America (OSA) Uniform Color Scales as stimulus color samples, and chose 20 color samples as test stimuli. Four illuminants of 1700, 3000, 6500, and 30,000 K were tested. The observer, completely adapted to a test illuminant, saw a test color sample and stored its color in his memory. After being readapted to the reference white (6500 K), he started selecting a color sample from among the 424 OSA samples which matched the test sample in his memory. We employed a memory matching method called cascade color matching, in which the number of selected color-samples was gradually reduced in four stages. In the final stage, the observer selected a color sample. The results show that, for most test colors, the distributions of selected colors in stages 1 to 4 were similar among all illuminants, and that the u'v' chromaticity distance between a test color under 6500K and its matched color was quite short. These indicate that good color constancy was retained in memory color comparison.
    OPTICAL SOC JAPAN, English, Scientific journal
    DOI:https://doi.org/10.1007/s10043-998-0059-z
    DOI ID:10.1007/s10043-998-0059-z, ISSN:1340-6000, Web of Science ID:WOS:000072703000013
  • Luminance limit for surface-color mode perception               
    Yasuki Yamauchi; Keiji Uchikawa; Ichiro Kuriki
    Kyokai Joho Imeji Zasshi/Journal of the Institute of Image Information and Television Engineers, Volume:52, Number:2, First page:227, Last page:234, 1998, [Reviewed]
    The mode of color appearance gradually changes from surface-color mode to aperture-color mode as the intensity of the stimulus increases. We measured the upper-limit of luminance for the surface-color mode to find the determinants of mode perception. A subject adjusted the luminance of a test stimulus located at the center of surrounding stimuli so that it just started to appear as the aperture-color. The surrounding stimuli conisted of eight color chips and a white frame on a gray background, and they were either made using Munsell papers or presented on a CRT monitor. The results indicated that the upper-limit luminances was different in all the test colors. We also measured the brightness-luminance ratio (B/L) for each test color. The products of upper-limit luminance and B/L were almost equal for all test colors. A comparison of upper-limit luminance of our data and that derived from the optimal color for each test color also indicated less chromatic dependence. These results suggest that both brightness and optimal color may determine the transition from surface-color to aperture-color mode perception.
    Inst. of Image Information and Television Engineers, Japanese, Scientific journal
    DOI:https://doi.org/10.3169/itej.52.227
    DOI ID:10.3169/itej.52.227, ISSN:1342-6907, SCOPUS ID:0031996154
  • Change in contrast sensitivity in the peripheral visual field by central visual task and observation under the condition with eye movements               
    Kazumichi Matsumiya; Keiji Uchikawa; Ichiro Kuriki
    Kyokai Joho Imeji Zasshi/Journal of the Institute of Image Information and Television Engineers, Volume:52, Number:4, First page:565, Last page:570, 1998, [Reviewed]
    It is known that the ability to use peripheral vision changes when a central visual task exists. This suggests that the focus-of-attention in the central visual field causes a reduction in performance in the peripheral visual field. We studied how the load of attention in the central visual field when the eye moves would change sensitivity to chromatic and luminance contrast in the peripheral visual field . Our results showed that the load in the central visual field impaired sensitivity to chromatic and luminance contrast in the peripheral visual field, under the conditions with and without eye movements. This suggests that, even when the eye moves, the state of attention is the primary factor attending changes in the distribution of visual sensitivities across the visual field.
    Inst. of Image Information and Television Engineers, Japanese, Scientific journal
    DOI:https://doi.org/10.3169/itej.52.565
    DOI ID:10.3169/itej.52.565, ISSN:1342-6907, SCOPUS ID:31244436747
  • 色恒常性の二つの段階:完全色恒常性と不完全色恒常性               
    Ichiro Kuriki; Keiji Uchikawa
    照明学会誌, Volume:81, Number:2, First page:125, Last page:135, Feb. 1997, [Reviewed]
    Japanese, Scientific journal
    DOI ID:10.2150/jieij1980.81.2_125, ISSN:0019-2341, CiNii Articles ID:20000334146, CiNii Books ID:AN00268860
  • Limitations of surface-color and apparent-color constancy               
    Kuriki, I; K Uchikawa
    JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, Volume:13, Number:8, First page:1622, Last page:1636, Aug. 1996, [Reviewed]
    Color-constancy mechanisms have been studied and discussed in a number of investigations. However, there has been little attempt to reveal how color constancy deteriorates as the conditions for it become less than optimal. We carried out a series of asymmetric color-matching experiments, using two criteria: surface-color match and apparent-color match. With brief adaptation the degree of color constancy increased as chromatic cues were added in the surround. In the condition of black surround, the test stimuli appeared self-luminous, and chromaticities of the chosen matching stimuli were the same as the physical chromaticities of the test stimulus, indicating a total deficiency of color constancy. With 15 min of preadaptation to the illuminant, the surface-color matches showed almost perfect color constancy under illuminant change. In both adaptation conditions, the chromatic-shift of matches from what would be expected for perfect color constancy increased gradually between 1,700- and 30,000-K illuminant, as chromaticity of the illuminant departed from 6,500-K illuminant. Under 1,000-K illuminant the surface-color appearance became totally achromatic, and color constancy was completely lost. Our results show that, even with brief adaptation to the illuminant, the contribution of the surrounding stimulus is large enough to achieve a fair degree of color constancy, but complete adaptation to the illuminant helps to achieve almost perfect color constancy. (C) 1996 Optical Society of America.
    OPTICAL SOC AMER, English, Scientific journal
    DOI:https://doi.org/10.1364/JOSAA.13.001622
    DOI ID:10.1364/JOSAA.13.001622, ISSN:1084-7529, Web of Science ID:WOS:A1996UZ35100002
  • Luminance conditions of stimuli to yield surface-color mode appearance               
    YAMAGUCHI Yasuki; UCHIKAWA Keiji; KURIKI Ichiro
    Proceedings of The ITE Winter Annual Convention, Volume:1996, First page:89, Last page:89, 1996
    The Institute of Image Information and Television Engineers, Japanese
    DOI:https://doi.org/10.11485/tvwac.1996.0_89
    DOI ID:10.11485/tvwac.1996.0_89, CiNii Articles ID:130006135500
  • Categorical Color-Name Regions of A Color Space in Aperture and Surface Color Modes               
    Keiji Uchikawa; Ichiro Kuriki; Hiroyuki Shinoda
    Journal of Light and Visual Environment, Volume:20, Number:1, First page:26, Last page:35, 1996, [Reviewed]
    When we indicate or describe an object in everyday lives we often use a color of the object. Although there are a million of colors around us we do not use so many colors, but categorize different colors into several color names. Eleven color names
    red, green, yellow, blue, brown, orange, purple, pink, white, black and gray, have been qualified as basic color categories, that are used consistently among observers and occasions. In this study we measured categorical regions in a color space determined with a categorical color naming method using these 11 basic color names. Two color-appearance modes
    aperture color mode and surface color mode, were tested. We employed both a color CRT monitor and a OSA uniform color set as test stimuli in the two color-appearance modes. It is shown in our results that both aperture and surface color spaces were consistently divided into the 11 basic color categories, and that positions and borders of color categories depend on luminance (lightness) of test stimuli in the surface color mode, but almost independent of luminance in the aperture color mode. Furthermore, test stimuli made by a color CRT do not appear so different from those by color chips in both color-appearance modes. There are some similarities between our results and the Kelly's chart. © 1996, The Illuminating Engineering Institute of Japan. All rights reserved.
    English, Scientific journal
    DOI:https://doi.org/10.2150/jlve.20.1_26
    DOI ID:10.2150/jlve.20.1_26, ISSN:1349-8398, SCOPUS ID:79951494733
  • 瞬時色恒常性における周辺刺激と判断基準の効果               
    Ichiro Kuriki; Keiji Uchikawa
    照明学会誌, Volume:79, Number:2, First page:39, Last page:49, Feb. 1995, [Reviewed]
    Japanese, Scientific journal
    DOI:https://doi.org/10.2150/jieij1980.79.2_39
    DOI ID:10.2150/jieij1980.79.2_39
  • カテゴリー比率評価法による開口色と表面色モードの色の見えの表現               
    Keiji Uchikawa; Ichiro Kuriki; Hiroyuki Shinoda
    照明学会誌, Volume:78, Number:2, First page:83, Last page:93, Feb. 1994, [Reviewed]
    Japanese, Scientific journal
    DOI ID:10.2150/jieij1980.78.2_83, ISSN:0019-2341, CiNii Articles ID:40004320537, CiNii Books ID:AN00268860
  • 開口色と表面色モードにおける色空間のカテゴリカル色名領域               
    Keiji Uchikawa; Ichiro Kuriki; Hiroyuki Shinoda
    照明学会誌, Volume:77, Number:6, First page:74, Last page:82, Jun. 1993, [Reviewed]
    Japanese, Scientific journal
    DOI ID:10.2150/jieij1980.77.6_346, ISSN:0019-2341, CiNii Articles ID:40004320475, CiNii Books ID:AN00268860
■ MISC
  • 脳波デコーディングに基づく視覚野の色選択性の解析               
    Weihang Jiang; 永井岳大; 栗木一郎
    Volume:37, Number:1, First page:20, Last page:20, Jan. 2025, [Last]
    Japanese
    DOI:https://doi.org/10.24636/vision.37.1_9
    DOI ID:10.24636/vision.37.1_9, 共同研究・競争的資金等ID:46288895
  • 視覚野における脳内色表象の非類似度行列に対するforward modelの影響               
    高野俊介; 上野賢一; 栗木一郎
    Volume:37, Number:1, First page:32, Last page:32, Jan. 2025, [Last, Corresponding]
    Japanese
    DOI:https://doi.org/10.24636/vision.37.1_9
    DOI ID:10.24636/vision.37.1_9, 共同研究・競争的資金等ID:46288895;31353452
  • 明度の異なる青/緑の色刺激に対するオドボール効果とERPの相関               
    寺嶋遵仁; 清川宏暁; 栗木一郎
    Volume:37, Number:1, First page:13, Last page:13, Jan. 2025, [Last, Corresponding]
    Japanese
    DOI:https://doi.org/10.24636/vision.37.1_9
    DOI ID:10.24636/vision.37.1_9, 共同研究・競争的資金等ID:46288895
  • 彩度限界の知覚と色統計に関する DNN を用いた研究               
    水野美和; 清川宏暁; 栗木一郎
    Volume:37, Number:1, First page:40, Last page:40, Jan. 2025, [Last, Corresponding]
    Japanese
    DOI:https://doi.org/10.24636/vision.37.1_9
    DOI ID:10.24636/vision.37.1_9, 共同研究・競争的資金等ID:45551131
  • 形状と光沢感の相互作用に関する研究               
    高瀬翔己; 清川宏暁; 栗木一郎
    Volume:36, Number:4, 15 Sep. 2024, [Last]
    Japanese
    共同研究・競争的資金等ID:45551131
  • 色刺激に対する定常状態視覚誘発電位と心理物理的誘目性の定量的比較               
    森下佳徳; 栗木一郎; 永井岳大
    Volume:36, Number:1, First page:50, Last page:50, Jan. 2024
    Japanese, Summary national conference
  • 画像の不自然さを決定する彩度限界に関する研究               
    木村滉輔; 清川宏暁; 栗木一郎
    Volume:36, Number:1, First page:12, Jan. 2024, [Last]
    Japanese, Summary national conference
    DOI:https://doi.org/10.24636/vision.36.2_72
    DOI ID:10.24636/vision.36.2_72
  • 彩度知覚と明るさ知覚の色相依存性と,彩度の時空間周波数による差異.               
    梅田直翔; 福嶋さくら; 清川宏暁; 栗木一郎
    Volume:36, Number:1, First page:32, Jan. 2024, [Last]
    Japanese
  • A study on the independence of mechanisms for material-component perception               
    Keigo Yoshida; Hiroaki Kiyokawa; Ichiro Kuriki
    Volume:123, Number:320, First page:48, Last page:52, Dec. 2023, [Last]
    Japanese, Summary national conference
    共同研究・競争的資金等ID:36925902;45551131
  • Effects of inter-stimulus interval in functional MRI on multi-voxel pattern analysis               
    Shunsuke Takano; Kenichi Ueno; Ichiro Kuriki
    VISION, Volume:35, Number:4, Sep. 2023, [Reviewed], [Last]
    Japanese, Summary national conference
    共同研究・競争的資金等ID:31353452
  • An event-related potential study on preattentive processing of color category in Japanese               
    Yukito Terashima; Ichiro Kuriki
    VISION, Volume:35, Number:4, Sep. 2023, [Reviewed], [Last, Corresponding]
    Japanese, Summary national conference
    共同研究・競争的資金等ID:31353452
  • A study on color vision profile reflected in SSVEP               
    Yoshinori Morishita; Ichiro Kuriki; Takehiro Nagai
    VISION, Volume:35, Number:4, Sep. 2023, [Reviewed]
    Japanese, Summary national conference
  • A study on color constancy mechanisms using image-to-image translation GAN.               
    Hikari Saito; Rui Okubo; Takashi Shinozaki; Ichiro Kuriki
    Sep. 2023, [Reviewed], [Last]
    English, Summary national conference
    共同研究・競争的資金等ID:33567991
  • A novel method of labeling colors in natural images for machine learning.               
    Rui Okubo; Takashi Shinozaki; Ichiro Kuriki
    Sep. 2023, [Reviewed], [Last, Corresponding]
    English, Summary national conference
    共同研究・競争的資金等ID:33567991
  • Synthesized “blur” added to the training images accelerates learning of visual motion in a predictive coding DNN.               
    Kyosuke Kato; Takashi Shinozaki; Eiji Watanabe; Ichiro Kuriki
    Sep. 2023, [Reviewed], [Last]
    English, Summary national conference
    共同研究・競争的資金等ID:31353458
  • Effect of attentional task on the coritcal processing of color appearance and color category               
    Takato Arima; Kenichi Ueno; Ichiro Kuriki
    VISION, Volume:35, Number:3, First page:120, Last page:124, Jul. 2023, [Invited], [Last, Corresponding]
    Japanese, Introduction scientific journal
    DOI:https://doi.org/10.24636/vision.35.3_120
    DOI ID:10.24636/vision.35.3_120, ISSN:0917-1142, J-Global ID:202302216161636053, 共同研究・競争的資金等ID:31353452
  • #TheDressのメカニズム解明のためのDNN色識別システムの構築               
    松本涼香; 栗木一郎; 篠崎隆志
    Volume:35, Number:1, 2023
    ISSN:0917-1142, J-Global ID:202302271469781316
  • 色カテゴリーとカラーアピアランスに関する脳内処理経路の比較               
    浜野剛; 上野賢一; 栗木一郎
    Volume:34, Number:4, First page:150, Last page:150, Dec. 2022, [Last]
    Japanese, Summary national conference
    DOI:https://doi.org/10.24636/vision.34.4_125
    DOI ID:10.24636/vision.34.4_125, 共同研究・競争的資金等ID:31353452
  • 携帯型脳波計による定常視覚誘発電位の色相選択性測定の試み               
    宮塚諒太; 金子沙永; 栗木一郎
    Volume:34, Number:4, First page:149, Last page:149, Dec. 2022, [Last]
    Japanese, Summary national conference
    DOI:https://doi.org/10.24636/vision.34.4_125
    DOI ID:10.24636/vision.34.4_125, 共同研究・競争的資金等ID:31353452
  • 色カテゴリーとカラーアピアランスの脳内情報処理に対する文字課題の 影響               
    有馬隆人; 上野賢一; 栗木一郎
    Volume:34, Number:4, First page:144, Last page:144, Dec. 2022, [Last]
    Japanese, Summary national conference
    DOI:https://doi.org/10.24636/vision.34.4_125
    DOI ID:10.24636/vision.34.4_125, 共同研究・競争的資金等ID:31353452
  • 画像ブレによる予測符号化 DNN の学習高速化の検討.               
    斉藤 輝; 篠崎隆志; 渡辺英治; 栗木一郎
    Volume:34, Number:4, First page:134, Last page:134, Dec. 2022, [Last]
    Japanese, Summary national conference
    DOI:https://doi.org/10.24636/vision.34.4_125
    DOI ID:10.24636/vision.34.4_125, 共同研究・競争的資金等ID:31353458
  • Audiovisual interaction for spatial attention
    Satoshi Shioiri; Shin Ono; Wei Wu; Shuichi Sakamoto; Ryo Teraoka; Yoshiyuki Sato; Yasuhiro Hatori; Chia-huei Tseng; Ichiro Kuriki
    Perception, Volume:50, Number:1_suppl, First page:41, Last page:41, Dec. 2021, [Reviewed]
    SAGE Publications
    DOI:https://doi.org/10.1177/03010066211059887
    DOI ID:10.1177/03010066211059887, ISSN:0301-0066, eISSN:1468-4233
  • Investigation of self-initiated attention shift
    Wei Wu; Kazuya Kobayashi; Shin Ono; Yoshiyuki Sato; Yasuhiro Hatori; Chia-huei Tseng; Ichiro Kuriki; Satoshi Shioiri
    Perception, Volume:50, Number:1_suppl, First page:90, Last page:90, Dec. 2021, [Reviewed]
    SAGE Publications
    DOI:https://doi.org/10.1177/03010066211059887
    DOI ID:10.1177/03010066211059887, ISSN:0301-0066, eISSN:1468-4233
  • ヘッドマウントディスプレイを用いた仮想空間内での明度恒常性の評価               
    佐藤一輝; 羽鳥康裕; 塩入諭; 栗木一郎
    Volume:33, Number:4, 2021
    ISSN:0917-1142, J-Global ID:202202283326816332
  • How do we perceive colors?               
    栗木一郎
    JSMI Report, Volume:14, Number:2, 2021
    ISSN:1882-6490, J-Global ID:202202221422084865
  • 脳波を用いた自発的注意変化測定の検討               
    小林司弥; 小野真; 羽鳥康裕; TSENG Chia-Huei; 栗木一郎; 塩入諭
    Volume:33, Number:1, 2021
    ISSN:0917-1142, J-Global ID:202102239691601567
  • 定常視覚誘発電位を用いたマスキング実験による色情報機序の考察               
    大友沙紀; 金子沙永; 金子沙永; 羽鳥康裕; 塩入諭; 栗木一郎
    Volume:33, Number:1, 2021
    ISSN:0917-1142, J-Global ID:202102263855563851
  • 広輝度帯域視環境における光沢感知覚               
    渡邉岳; 栗木一郎; 羽鳥康裕; Tseng Chia-huei; 塩入諭
    Volume:33, Number:1, 2021
    ISSN:0917-1142, J-Global ID:202102267496652860
  • HMDを用いた照明空間の模擬技術に関する検討               
    佐藤一輝; 羽鳥康裕; 塩入諭; 栗木一郎
    Volume:33, Number:1, 2021
    ISSN:0917-1142, J-Global ID:202102286447647303
  • 発達初期の視覚野における色相選択性               
    楊嘉楽; 金子沙永; 金沢創; 山口真美; 栗木一郎
    Volume:32, Number:1, 2020
    ISSN:0917-1142, J-Global ID:202002245148085595
  • 異なる時間周波数の運動刺激を用いた運動への順応が及ぼす,色運動と輝度運動の速度知覚への効果               
    越坂若奈; 栗木一郎; 羽鳥康裕; TSENG Chia-huei; 塩入諭
    Volume:32, Number:1, 2020
    ISSN:0917-1142, J-Global ID:202002215306028987
  • サッカード前後の変位検出に対する輝度コントラストの影響               
    高野修平; 高野修平; 松宮一道; TSENG Chia-huei; TSENG Chia-huei; 栗木一郎; 栗木一郎; DEUBEL Heiner; 塩入諭; 塩入諭
    Volume:32, Number:1, 2020
    ISSN:0917-1142, J-Global ID:202002245811645116
  • 手の周辺における視覚的注意に関する利き手の影響               
    塩入諭; 塩入諭; 笹田拓臣; 西川遼太; 栗木一郎; 栗木一郎; TSENG Chia-huei; TSENG Chia-huei; 松宮一道
    Volume:32, Number:1, 2020
    ISSN:0917-1142, J-Global ID:202002247493864320
  • Spatial distribution of visual attention around the goal of hand movement               
    LI Zhan; LI Zhan; 羽鳥康弘; 羽鳥康弘; TSENG Chia-huei; TSENG Chia-huei; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    Vision, Volume:32, Number:1, 2020
    ISSN:0917-1142, J-Global ID:202002256112771185
  • 利き手が身体性注意に与える影響               
    岩井喬祐; TSENG Chia-Huei; 栗木一郎; 塩入諭
    Volume:32, Number:4, 2020
    ISSN:0917-1142, J-Global ID:202102256008157731
  • Attempt on the measurement of voluntary attention measurement by EEG               
    小林司弥; 小林司弥; 小野真; 小野真; 羽鳥康裕; 羽鳥康裕; TSENG Chia-huei; TSENG Chia-huei; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    電子情報通信学会技術研究報告(Web), Volume:120, Number:306(HIP2020 53-71), 2020
    ISSN:2432-6380, J-Global ID:202102242248444339
  • The measurement of spatial extent of audiovisual crossmodal attention by EEG               
    小野真; 坂本修一; 寺岡 諒; 佐藤好幸; 羽鳥康裕; 曽 加蕙; 栗木一郎; 塩入 諭
    Volume:119, Number:348, First page:25, Last page:30, Dec. 2019
    Japanese
    ISSN:0913-5685, CiNii Articles ID:40022118024, CiNii Books ID:AN10487237
  • Influence of pre- and post-saccadic luminance contrast on the saccadic suppression of displacement               
    高野修平; 高野修平; 松宮一道; TSENG Chia-huei; TSENG Chia-huei; 栗木一郎; 栗木一郎; DEUBEL Heiner; 塩入諭; 塩入諭
    電子情報通信学会技術研究報告, Volume:119, Number:348, First page:31, Last page:34, Dec. 2019
    Japanese
    ISSN:0913-5685, J-Global ID:202002231765710568
  • 視覚野における色相選択性の発達               
    楊嘉楽; 金沢創; 山口真美; 栗木一郎
    Nov. 2019
    Japanese
  • Motion Aftereffects with Different Adaptation Duration Investigating Color- and Luminance-Motion Processes               
    Wakana Koshizaka; Weijing Ren; Ichiro Kuriki; Yasuhiro Hatori; Chiahuei Tseng; Satoshi Shioiri
    I-PERCEPTION, Volume:10, First page:67, Last page:67, Sep. 2019, [Reviewed]
    SAGE PUBLICATIONS LTD, English, Summary international conference
    ISSN:2041-6695, Web of Science ID:WOS:000490535400128
  • Convolutional Neural Networks for humanlike Image Assessment               
    Hassan Matout; Hao Wang; Yasuhiro Hatori; Yoshiyuki Sato; Kazuya Matsubara; Yuji Wada; Chia-huei Tseng; Ichiro Kuriki; Satoshi Shioiri
    I-PERCEPTION, Volume:10, First page:170, Last page:170, Sep. 2019, [Reviewed]
    SAGE PUBLICATIONS LTD, English, Summary international conference
    ISSN:2041-6695, Web of Science ID:WOS:000490535400324
  • Attempt on the Measurement of Spatial Extent of Audiovisual Attention by EEG               
    Shin Ono; Shuichi Sakamoto; Ryo Teraoka; Yoshiyuki Sato; Yasuhiro Hatori; Chiahuei Tseng; Ichiro Kuriki; Satoshi Shioiri
    I-PERCEPTION, Volume:10, First page:139, Last page:140, Sep. 2019, [Reviewed]
    SAGE PUBLICATIONS LTD, English, Summary international conference
    ISSN:2041-6695, Web of Science ID:WOS:000490535400265
  • Different Effects of Pre- and Postsaccadic Stimulus Contrast on Displacement Detection Across Saccades               
    Satoshi Shioiri; Syuhei Takano; Kazumichi Matsumiya; Chia-huei Tseng; Yasuhiro Hatori; Ichiro Kuriki; Heiner Deubel
    PERCEPTION, Volume:48, First page:106, Last page:106, Sep. 2019, [Reviewed]
    SAGE PUBLICATIONS LTD, English, Summary international conference
    ISSN:0301-0066, eISSN:1468-4233, Web of Science ID:WOS:000486182000317
  • Influence of the HDR Environment on Shitsukan Perception               
    Gaku Watanabe; Ichiro Kuriki; Yasuhiro Hatori; Chia-huei Tseng; Satoshi Shioiri
    I-PERCEPTION, Volume:10, First page:162, Last page:162, Sep. 2019, [Reviewed]
    SAGE PUBLICATIONS LTD, English, Summary international conference
    ISSN:2041-6695, Web of Science ID:WOS:000490535400308
  • 手周辺注意への利き手の影響               
    笹田拓臣; 西川遼太; TSENG Chia-Huei; 松宮一道; 栗木一郎; 塩入諭
    Volume:31, Number:1, 2019
    ISSN:0917-1142, J-Global ID:201902222633715011
  • 奥行き運動方向と単眼運動処理               
    日下怜美; WEI Wu; TSENG Chia-Huei; TSENG Chia-Huei; 松宮一道; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    Volume:31, Number:1, 2019
    ISSN:0917-1142, J-Global ID:201902228300055368
  • 手の運動の追従眼球運動の促進               
    及川諒; TSENG Chia-Huei; 栗木一郎; 塩入諭
    Volume:31, Number:1, 2019
    ISSN:0917-1142, J-Global ID:201902251215727778
  • 先行刺激に依存した知覚バイアスへの空間要因の検討               
    坂井拓美; 羽鳥康裕; 曾加けい; 栗木一郎; 塩入諭; WHITNEY David
    Volume:31, Number:1, 2019
    ISSN:0917-1142, J-Global ID:201902289945694204
  • Influence of dominant hand on physical attention               
    岩井喬祐; TSENG Chia-huei; 栗木一郎; 塩入諭
    電子情報通信学会技術研究報告, Volume:119, Number:348(HIP2019 65-76), 2019
    ISSN:0913-5685, J-Global ID:202002215561322480
  • Correspondence between motion aftereffects in visual perception and visual cortex               
    越坂若奈; REN Weijing; 栗木一郎; 栗木一郎; 羽鳥康裕; 羽鳥康裕; TSENG Chiahuei; TSENG Chiahuei; 塩入諭; 塩入諭
    電子情報通信学会技術研究報告, Volume:119, Number:348(HIP2019 65-76), 2019
    ISSN:0913-5685, J-Global ID:202002235317763846
  • Estimation of preferences to images by facial expression analysis               
    洞口勇太; 佐藤好幸; 佐藤好幸; TSENG Chia-huei; TSENG Chia-huei; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭; 塩入諭
    電子情報通信学会技術研究報告, Volume:119, Number:348(HIP2019 65-76), 2019
    ISSN:0913-5685, J-Global ID:202002242990067497
  • 言葉の中の色,脳の中の色(日本色彩学会70周年記念講演会)               
    栗木 一郎
    Volume:43, Number:1, First page:44, Last page:48, Jan. 2019
    Japanese, Summary national conference
  • 手の動きが追従眼球運動に与える影響               
    及川諒; TSENG Chia-huei; 松宮一道; 栗木一郎; 塩入諭
    Volume:30, Number:1, 2018
    ISSN:0917-1142, J-Global ID:201802221935235195
  • サッカード前後の情報統合に関する前後刺激のコントラスト依存性-ブランキング効果を用いた検討-               
    高野修平; 松宮一道; 松宮一道; TSENG Chia-huei; TSENG Chia-huei; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    Volume:30, Number:1, 2018
    ISSN:0917-1142, J-Global ID:201802253369204131
  • 身体の運動が身体性注意に与える影響               
    野々村萌; TSENG Chia-huei; 松宮一道; 栗木一郎; 塩入諭
    Volume:30, Number:1, 2018
    ISSN:0917-1142, J-Global ID:201802282831880888
  • 奥行き運動方向弁別の心理物理実験についての再評価               
    日下怜美; WU Wei; TSENG Chia-huei; TSENG Chia-huei; 松宮一道; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    Volume:30, Number:3, 2018
    ISSN:0917-1142, J-Global ID:201802248120664361
  • 定常的誘発脳波を用いた視聴覚注意の空間分布の計測               
    小野真; TSENG Chia-huei; TSENG Chia-huei; 松宮一道; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    Volume:30, Number:3, 2018
    ISSN:0917-1142, J-Global ID:201802258703900697
  • サッカード統合に及ぼすコントラストの影響-サッカード前後の比較-               
    高野修平; 松宮一道; TSENG Chia-huei; TSENG Chia-huei; 栗木一郎; 栗木一郎; DEUBEL Heiner; 塩入諭; 塩入諭
    Volume:30, Number:3, 2018
    ISSN:0917-1142, J-Global ID:201802267340590889
  • 質感と初期視覚特徴の間の時間周波数特性の違いに関する検討               
    高倉健太郎; TSENG Chia-huei; TSENG Chia-huei; 松宮一道; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    Volume:30, Number:3, 2018
    ISSN:0917-1142, J-Global ID:201802283889579542
  • フラッシュラグ効果を用いた質感知覚の時間特性に関する検討               
    高倉健太郎; 後藤直人; TSENG Chia-Huei; TSENG Chia-Huei; 松宮一道; 松宮一道; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    Volume:29, Number:3, 2017
    ISSN:0917-1142, J-Global ID:201702225130073873
  • 時系列ターゲットに対する文脈手掛かり効果               
    塩入諭; 塩入諭; 朱冰一; 松宮一道; 松宮一道; 栗木一郎; 栗木一郎
    Volume:29, Number:3, 2017
    ISSN:0917-1142, J-Global ID:201702266079164365
  • k‐平均法による日本語話者の色カテゴリー領域と個人差類型の導出               
    栗木一郎; LANGE Ryan; 武藤ゆみ子; BROWN Angela M; 福田一帆; 徳永留美; LINDSEY Delwin T; 内川惠二; 塩入諭
    Meeting of Federation of Imaging Societies (CD-ROM), Volume:4th, First page:ROMBUNNO.1A07, 2017
    Japanese
    J-Global ID:201802282538405125
  • Serial dependence with different head orientations               
    坂井拓美; 羽鳥康裕; FANG Yu; 松宮一道; 栗木一郎; 塩入諭; WHITNEY David
    電子情報通信学会技術研究報告, Volume:117, Number:375, First page:35, Last page:38, 2017
    Japanese
    ISSN:0913-5685, J-Global ID:201802271364442640
  • Interaction of Color and Luminance Motion Signal Studied by fMRI Adaptation Technique               
    REN Weijing; 栗木一郎; 松宮一道; 塩入諭
    映像情報メディア学会技術報告, Volume:41, Number:9, First page:33, Last page:36, 2017
    Japanese
    ISSN:1342-6893, J-Global ID:201702239095751916
  • Pattern analysis of brain activity for unique and cardinal hues in human visual cortex.               
    前村和貴子; 栗木一郎; 松宮一道; 塩入諭
    映像情報メディア学会技術報告, Volume:41, Number:9, First page:29, Last page:32, 2017
    Japanese
    ISSN:1342-6893, J-Global ID:201702272819223374
  • Visual attention on the illusionary hand location               
    野々村 萌; Tseng Chia-huei; 松宮 一道; 栗木 一郎; 塩入 諭
    Volume:40, Number:46, First page:29, Last page:32, Dec. 2016
    Japanese
    ISSN:1342-6893, CiNii Articles ID:40021060750, CiNii Books ID:AN1059086X
  • 錯覚的手の位置への視覚的注意               
    野々村 萌; Chia-huei Tseng; 松宮一道; 栗木一郎; 塩入 諭
    電子情報通信学会技術研究報告(ヒューマン情報処理), Volume:116, Number:377, First page:29, Last page:32, Dec. 2016
    Japanese
    ISSN:0913-5685, J-Global ID:201702285053382497
  • 空間配置に対する潜在学習の探索順序効果               
    朱 冰一; 塩入 諭; 栗木一郎; 松宮一道
    電子情報通信学会技術研究報告(ニューロコンピューティング研究会), Volume:116, Number:313, First page:9, Last page:13, Nov. 2016
    Japanese
    ISSN:0913-5685, J-Global ID:201702217271657315
  • 高精度な視線予測を実現する頭部-眼球の協調運動の定式化               
    羽鳥康裕; 方いく; 松宮一道; 栗木一郎; 塩入諭
    Volume:28, Number:1, 2016
    ISSN:0917-1142, J-Global ID:201602210702482820
  • 静止刺激および運動刺激に対する視覚的注意の空間的広がりの測定               
    石井慶; 松宮一道; 松宮一道; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    Volume:28, Number:1, 2016
    ISSN:0917-1142, J-Global ID:201602216370270511
  • 身体感覚が注意状態に及ぼす影響の検討               
    西川遼太; 松宮一道; 松宮一道; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    Volume:28, Number:1, 2016
    ISSN:0917-1142, J-Global ID:201602216910012797
  • 読書を用いた視機能評価の開発~種々の収差も含めた検討~               
    塩入諭; 三橋俊文; 前田聡洋; 松宮一道; 栗木一朗
    Volume:52nd, 2016
    J-Global ID:201602231122934550
  • 色運動順応後の輝度運動に対する逆方向選択性の運動残効               
    任薇静; 栗木一郎; 栗木一郎; 松宮一道; 松宮一道; 塩入諭; 塩入諭
    Volume:28, Number:3, 2016
    ISSN:0917-1142, J-Global ID:201602215199030034
  • 脳活動の共分散構造解析を用いたユニーク色情報の生起部位に関する検討               
    前村和貴子; 栗木一郎; 栗木一郎; 松宮一道; 松宮一道; 塩入諭; 塩入諭
    Volume:28, Number:3, 2016
    ISSN:0917-1142, J-Global ID:201602281456679517
  • Implicit learning of a penalty rule in visual search               
    宮本 カイ; 羽鳥 康裕; 松宮 一道; 栗木 一郎; 塩入 諭
    Tohoku-Section Joint Convention Record of Institutes of Electrical and Information Engineers, Japan, Volume:2016, Number:0, First page:23, Last page:23, 2016
    Organizing Committee of Tohoku-Section Joint Convention of Institutes of Electrical and Information Engineers, Japan, Japanese
    DOI:https://doi.org/10.11528/tsjc.2016.0_23
    DOI ID:10.11528/tsjc.2016.0_23, CiNii Articles ID:130006144631
  • The effect of ambiguity of material perception on the mode of color appearance               
    Ichiro Kuriki
    PERCEPTION, Volume:44, First page:84, Last page:84, Aug. 2015
    SAGE PUBLICATIONS LTD, English, Summary international conference
    ISSN:0301-0066, eISSN:1468-4233, Web of Science ID:WOS:000362287800165
  • 定常的視覚誘発電位と事象関連電位の空間的注意計測の比較-事象関連解析-               
    塩入諭; 塩入諭; 本庄元; 松宮一道; 松宮一道; 栗木一郎; 栗木一郎
    Volume:27, Number:1, 2015
    ISSN:0917-1142, J-Global ID:201502243649445809
  • クラスタ分析による日本語自由色名の最適カテゴリ数の検討               
    栗木一郎; 武藤ゆみ子; 徳永留美; 福田一帆; LINDSEY Delwin T.; BROWN Angela M.; 内川惠二; 塩入諭
    Volume:27, Number:1, 2015
    ISSN:0917-1142, J-Global ID:201502267369145385
  • フラッシュラグを利用した身体随伴性注意の計測と検討               
    西川遼太; 松宮一道; 栗木一郎; 塩入諭; 松宮一道; 栗木一郎; 塩入諭
    Volume:27, Number:1, 2015
    ISSN:0917-1142, J-Global ID:201502272054296214
  • 頭部方向を考慮した顕著性マップによる視線予測               
    羽鳥康裕; 方あき; 松宮一道; 栗木一郎; 塩入諭; 塩入諭
    Volume:27, Number:3, 2015
    ISSN:0917-1142, J-Global ID:201502214460458986
  • 静止刺激および運動刺激に対する視覚的注意の空間的広がりの測定               
    石井慶; 松宮一道; 松宮一道; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    Volume:27, Number:3, 2015
    ISSN:0917-1142, J-Global ID:201502221173584101
  • 頭部方向情報に基づく大画面観察時の視線予測               
    羽鳥康裕; 羽鳥康裕; FANG Y.; 松宮一道; 栗木一郎; 塩入諭; 塩入諭
    Volume:25th, 2015
    J-Global ID:201602213618975003
  • Measuring attention around the hand by using flash lag effect : effect of dominant hand               
    西川 遼太; 松宮 一道; 栗木 一郎
    Volume:38, Number:48, First page:23, Last page:27, Dec. 2014
    Japanese
    ISSN:1342-6893, CiNii Articles ID:40020320723, CiNii Books ID:AN1059086X
  • Contextual cueing effect for targets outside the visual field               
    小林 正幸; 松宮 一道; 栗木 一郎
    Volume:38, Number:48, First page:29, Last page:32, Dec. 2014
    Japanese
    ISSN:1342-6893, CiNii Articles ID:40020320733, CiNii Books ID:AN1059086X
  • Internal representation of visual feature information and its flow in human brain               
    KURIKI Ichiro
    IEICE technical report. ME and bio cybernetics, Volume:114, Number:325, First page:65, Last page:68, 21 Nov. 2014
    Representation and flow of visual information signal in human visual cortex was studied with functional MRI technique, and their recent results are introduced.
    The Institute of Electronics, Information and Communication Engineers, Japanese
    ISSN:0913-5685, CiNii Articles ID:110009971761, CiNii Books ID:AN1001320X
  • 脳内における視覚特徴情報の内部表現およびフローについて.               
    栗木 一郎
    Volume:114, Number:326, First page:63, Last page:66, Nov. 2014
    Japanese, Introduction scientific journal
  • The effect of material perception on the mode of color appearance               
    KURIKI Ichiro
    Technical report of IEICE. HIP, Volume:114, Number:226, First page:39, Last page:42, 25 Sep. 2014
    The "mode of color appearance (in short, mode)" is a concept suggesting that difference in the medium that emits, transmits, or reflects light could cause difference in color appearance. For example, the same lights that appear brown/ gray as object surface may appear orange/ white, respectively, when the light was emitted from light sources. The present study investigated relationships between material perception and perceived mode in terms of luminosity. The result showed that mode percept was clearly affected by the material of diffuse component of the object surface, while glossiness and color did not affect the result. The luminosity percept was a linear function of L^*, but they were off the line when the material was recognizable.
    The Institute of Electronics, Information and Communication Engineers, Japanese
    ISSN:0913-5685, CiNii Articles ID:110009950327, CiNii Books ID:AN10487237
  • 速度選択的な順応効果を用いた運動視メカニズムの研究               
    山田祥之; 栗木一郎; 松宮一道; 塩入諭
    Volume:26, Number:1, 2014
    ISSN:0917-1142, J-Global ID:201402214706630580
  • オブジェクト内注意拡散の時間特性の検討               
    塩入諭; 塩入諭; 大森暢喬; 松宮一道; 松宮一道; 栗木一郎; 栗木一郎
    Volume:26, Number:1, 2014
    ISSN:0917-1142, J-Global ID:201402234284770393
  • 視線位置に対する頭部運動寄与率の注視時間による変化               
    中島亮一; 小林正幸; 松宮一道; 栗木一郎; 塩入諭
    Volume:26, Number:1, 2014
    ISSN:0917-1142, J-Global ID:201402262178414506
  • 色運動・輝度運動信号の脳内での相互作用               
    栗木一郎; 栗木一郎; 謝鴻飛; 徳永留美; 徳永留美; 松宮一道; 松宮一道; 塩入諭; 塩入諭
    Volume:26, Number:1, 2014
    ISSN:0917-1142, J-Global ID:201402283271624798
  • Head direction information improves the accuracy of gaze estimation               
    Ryoichi Nakashima; Yu Fang; Akinori Hiratani; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    I-PERCEPTION, Volume:5, Number:4, First page:416, Last page:416, 2014
    PION LTD, English, Summary international conference
    ISSN:2041-6695, Web of Science ID:WOS:000342373600213
  • Contextual cueing effect for unseen targets               
    Masayuki Kobayashi; York Fang; Ryoichi Nakashima; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    I-PERCEPTION, Volume:5, Number:4, First page:352, Last page:352, 2014
    PION LTD, English, Summary international conference
    ISSN:2041-6695, Web of Science ID:WOS:000342373600149
  • Spatial spread of visual attention while tracking a moving object               
    Kei Ishii; Kazumichi Matumiya; Ichiro Kuriki; Satoshi Shioiri
    I-PERCEPTION, Volume:5, Number:4, First page:397, Last page:397, 2014
    PION LTD, English, Summary international conference
    ISSN:2041-6695, Web of Science ID:WOS:000342373600194
  • Hue selectivity in human visual cortex studied by fMRI with a novel stimulation paradigm               
    Ichiro Kuriki; Pei Sun; Kenichi Ueno; Keiji Tanaka; Kang Cheng
    I-PERCEPTION, Volume:5, Number:4, First page:217, Last page:217, 2014
    PION LTD, English, Summary international conference
    ISSN:2041-6695, Web of Science ID:WOS:000342373600014
  • Measuring attention around the hand by using flash lag effect               
    Ryota Nishikawa; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    I-PERCEPTION, Volume:5, Number:4, First page:311, Last page:311, 2014
    PION LTD, English, Summary international conference
    ISSN:2041-6695, Web of Science ID:WOS:000342373600108
  • Multiple gaze saccades during unrestrained eye-head movement in visual search               
    Yu Fang; Ryoichi Nakashima; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    I-PERCEPTION, Volume:5, Number:4, First page:227, Last page:227, 2014
    PION LTD, English, Summary international conference
    ISSN:2041-6695, Web of Science ID:WOS:000342373600024
  • Correlation between amplitude and phase of SSVEP as an attention measure               
    Satoshi Shioiri; Yoshiyuki Kashiwase; Kazumichi Matsumiya; Ichiro Kuriki
    I-PERCEPTION, Volume:5, Number:4, First page:256, Last page:256, 2014
    PION LTD, English, Summary international conference
    ISSN:2041-6695, Web of Science ID:WOS:000342373600053
  • Study on the flow of motion signals in human visual cortex using functional brain imaging technique               
    KURIKI Ichiro; Xie Hongfei; YAMADA Yoshiyuki; TOKUNAGA Rumi; MATSUMIYA Kazumichi; SHIOIRI Satoshi
    ITE Technical Report, Volume:38, Number:0, First page:17, Last page:20, 2014
    Visual feature information are once separately processed at each modality; color, shape, motion, and etc. The present study investigated how and where they are integrated into one unified percept by using both psychophysics and fMRI.
    The Institute of Image Information and Television Engineers, Japanese
    DOI:https://doi.org/10.11485/itetr.38.46.0_17
    DOI ID:10.11485/itetr.38.46.0_17, ISSN:1342-6893, CiNii Articles ID:110009885402, CiNii Books ID:AN1059086X
  • 視線位置予測における頭部位置情報の寄与               
    羽鳥康裕; 方昱; 江本正喜; 松宮一道; 栗木一郎; 塩入 諭
    電子情報通信学会技術研究報告(ヒューマン情報処理), Volume:114, Number:347, First page:55, Last page:58, 2014
    Japanese
    ISSN:0913-5685, J-Global ID:201502282747914170
  • 全視野空間配置の無意識的学習効果               
    小林正幸; 松宮一道; 栗木一郎; 塩入 諭
    電子情報通信学会技術研究報告(ヒューマン情報処理), Volume:114, Number:347, First page:29, Last page:36, 2014
    Japanese
    ISSN:0913-5685, J-Global ID:201502253122471599
  • フラッシュラグ効果による身体随伴性注意の測定               
    西川遼太; 松宮一道; 栗木一郎; 塩入 諭
    電子情報通信学会技術研究報告(ヒューマン情報処理), Volume:114, Number:347, First page:23, Last page:27, 2014
    Japanese
    ISSN:0913-5685, J-Global ID:201502212466162210
  • Development of categorical color perception in infants               
    Jiale Yang; So Kanazawa; Masami K. Yamaguchi; Ichiro Kuriki
    I-PERCEPTION, Volume:5, Number:4, First page:459, Last page:459, 2014, [Reviewed]
    PION LTD, English, Summary international conference
    ISSN:2041-6695, Web of Science ID:WOS:000342373600256
  • Review on the vision-science studies using brain-activity-imaging techniques               
    Ichiro Kuriki; Kaoru Amano
    VISION, Volume:25, Number:2, First page:85, Last page:94, 01 Apr. 2013
    Japanese, Introduction other
  • Nonlinearity of achromatic loci under chromatic illuminants               
    KURIKI Ichiro
    ITE Technical Report, Volume:37, Number:12, First page:21, Last page:22, 26 Feb. 2013
    Chromaticity of light that appear achromatic under chromatic illuminant (achromatic point) depends on the lightness level of the sample in the lighting environment, such as Helson-Judd effect. The present study will report a concise method to represent the lightness dependence, and will discuss the color vision mechanisms that yield such characteristics.
    The Institute of Image Information and Television Engineers, Japanese
    ISSN:1342-6893, CiNii Articles ID:110009604233, CiNii Books ID:AN1059086X
  • 回転運動における選択的運動残効の運動方向判断応答時間による評価               
    山田祥之; 謝鴻飛; 徳永留美; 松宮一道; 栗木一郎; 塩入諭
    Volume:25, Number:1, 2013
    ISSN:0917-1142, J-Global ID:201302269223465866
  • 視覚探索時の視線移動に対する頭部運動の関与               
    YU Fang; 中島亮一; 松宮一道; 徳永留美; 栗木一郎; 塩入諭
    Volume:25, Number:1, 2013
    ISSN:0917-1142, J-Global ID:201302270069463691
  • 広視野刺激に対する文脈手がかり効果               
    小林正幸; 方いく; 中島亮一; 松宮一道; 栗木一郎; 塩入諭
    Volume:25, Number:3, 2013
    ISSN:0917-1142, J-Global ID:201302201572142167
  • 頭部運動情報を考慮した視線予測地図による視線位置推定               
    中島亮一; 方いく; 平谷皓倫; 松宮一道; 栗木一郎; 塩入諭
    Volume:25, Number:3, 2013
    ISSN:0917-1142, J-Global ID:201302238520940163
  • 脳波による空間的注意範囲の測定-指標による違い-               
    塩入諭; 塩入諭; 本庄元; 松宮一道; 松宮一道; 栗木一郎; 栗木一郎
    Volume:25, Number:3, 2013
    ISSN:0917-1142, J-Global ID:201302250579359332
  • Attention spreads measured by steady state visual evoked potential and by event related potential               
    S. Shioiri; H. Honjo; Y. Kashiwase; R. Tokunaga; K. Matsumiya; I. Kuriki
    PERCEPTION, Volume:42, First page:31, Last page:31, 2013
    PION LTD, English, Summary international conference
    ISSN:0301-0066, eISSN:1468-4233, Web of Science ID:WOS:000334901000094
  • Research of object-based attention by using Steady State Visual Evoked Potentials               
    大森暢喬; 徳永留美; 松宮一道; 栗木一郎; 塩入 諭
    映像情報メディア学会技術報告, Volume:36, Number:46, First page:37, Last page:42, Nov. 2012
    Japanese
    ISSN:1342-6893, CiNii Articles ID:40019540766, CiNii Books ID:AN1059086X
  • 照明光色の違いによる透明物体の色知覚と透明度               
    徳永留美; 栗木一郎; 塩入諭
    Volume:24, Number:3, 2012
    ISSN:0917-1142, J-Global ID:201202211097655632
  • 運動処理システムと形態処理システムの時空間周波数特性の比較               
    山田祥之; 松宮一道; 徳永留美; 栗木一郎; 塩入諭
    Volume:24, Number:3, 2012
    ISSN:0917-1142, J-Global ID:201202265056276182
  • 眼球位置は頭部方向と胸部方向に依存する               
    方いく; 中島亮一; 松宮一道; 徳永留美; 栗木一郎; 塩入諭
    Volume:24, Number:3, 2012
    ISSN:0917-1142, J-Global ID:201202278923896231
  • Research of object-based attention by using Steady State Visual Evoked Potentials               
    大森暢喬; 徳永留美; 松宮一道; 栗木一郎; 塩入諭
    電子情報通信学会技術研究報告, Volume:112, Number:283(HIP2012 48-58), 2012
    ISSN:0913-5685, J-Global ID:201302222686716268
  • Head orientation biases the frequency of fixation orientation               
    中島亮一; FANG Yu; 松宮一道; 徳永留美; 栗木一郎; 塩入諭
    電子情報通信学会技術研究報告, Volume:112, Number:283(HIP2012 48-58), 2012
    ISSN:0913-5685, J-Global ID:201302231552644723
  • 自然情景観察における頭部方向に基づく眼球位置分布の偏り               
    中島亮一; FANG Yu; 塩入諭; 松宮一道; 徳永留美; 栗木一郎
    Volume:29th, 2012
    J-Global ID:201302209020093960
  • 三次元面知覚の定量評価               
    松原和也; 笠井慎平; 塩入諭; 松宮一道; 徳永留美; 栗木一郎
    Volume:29th, 2012
    J-Global ID:201302251017159400
  • Investigation of the integration process of color and luminance motion using adaptation technique〜comparison between MAE duration and reaction time〜
    Xie, H; Kuriki, I; Matsumiya, K; Tokunaga, R; Shioiri, S
    映像情報メディア学会技術報告, Volume:36, Number:46, First page:107, Last page:111, 2012
    English
    ISSN:0913-5685, CiNii Articles ID:40019522777
  • 頭部方向は注視点分布を偏らせる               
    中島亮一; 方 昱; 松宮一道; 徳永留美; 栗木一郎; 塩入 諭
    映像情報メディア学会技術報告, Volume:36, Number:46, First page:67, Last page:70, 2012
    Japanese
  • Comparison of local feature processing and global feature processing in the binding of color and form of the visual system
    繆 仁軍; 徳永 留美; 栗木 一郎
    Volume:111, Number:283, First page:95, Last page:100, 10 Nov. 2011
    Japanese
    ISSN:0913-5685, CiNii Articles ID:40019083875
  • Comparison of local feature processing and global feature processing in the binding of color and form of the visual system               
    繆 仁軍; 徳永 留美; 栗木 一郎
    Volume:35, Number:44, First page:95, Last page:100, Nov. 2011
    Japanese
    ISSN:1342-6893, CiNii Articles ID:40019087896, CiNii Books ID:AN1059086X
  • 乳児のカテゴリカル色知覚における脳活動―NIRSによる検討―               
    YO KARAKU; KANAZAWA HAJIME; YAMAGUCHI MASAMI; KURIKI ICHIRO
    Vision, Volume:23, Number:3, First page:160, 20 Jul. 2011
    Japanese
    ISSN:0917-1142, J-Global ID:201102255015579895
  • 4‐5ケ月児における色カテゴリー知覚               
    YO KARAKU; KANAZAWA HAJIME; YAMAGUCHI MASAMI; KURIKI ICHIRO
    基礎心理学研究, Volume:29, Number:2, First page:206, 31 Mar. 2011
    Japanese
    ISSN:0287-7651, J-Global ID:201102247221590959
  • 知覚抑制下の色周辺刺激の色輝度相関が色の見えに及ぼす効果               
    堀内孝治; 栗木一郎; 栗木一郎; 徳永留美; 徳永留美; 松宮一道; 松宮一道; 塩入諭; 塩入諭
    Volume:23, Number:1, 2011
    ISSN:0917-1142, J-Global ID:201102241226072516
  • 視覚的注意による神経応答の増大と神経応答の同期の関係               
    柏瀬啓起; 柏瀬啓起; 松宮一道; 松宮一道; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    Volume:23, Number:1, 2011
    ISSN:0917-1142, J-Global ID:201102260140281036
  • Eye position depends on head orientation               
    FANG Yu; 中島亮一; 松宮一道; 徳永留美; 栗木一郎; 塩入諭
    電子情報通信学会技術研究報告, Volume:111, Number:283(HIP2011 43-57), 2011
    ISSN:0913-5685, J-Global ID:201202273891858756
  • 視覚表象と触運動表象の対称性の比較               
    高橋光政; 松宮一道; 栗木一郎; 徳永留美; 塩入諭
    Volume:2011, 2011
    ISSN:1345-0794, J-Global ID:201102235192516355
  • The effect of color-luminance correlations in surrounding stimuli on color constancy under interocular suppression               
    Koji Horiuchi; Ichiro Kuriki; Rumi Tokunaga; Kazumichi Matsumiya; Satoshi Shioiri
    Journal of Vision, Volume:11, Number:11, First page:355, 2011, [Reviewed]
    English
  • Attention boosts neural population response via neural response synchronization               
    Yoshiyuki Kashiwase; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    Journal of Vision, Volume:11, Number:11, First page:202, 2011, [Reviewed]
    English
  • Eye movement differences between implicit and explicit contextual cuing effects               
    Satoshi Shioiri; Takuro Mano; Kazumichi Matsumiya; Ichiro Kuriki
    Proceedings of Association for the Scientific Study of Consciousness, First page:74, 2011, [Reviewed]
    English
  • Contextual cuing effect with self motion               
    Taiga Tsuchiai; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    Proceedings of Association for the Scientific Study of Consciousness, First page:95, Last page:96, 2011, [Reviewed]
    English
  • Similarity and difference in symmetry between the visual and haptic motional representations               
    Mitsumasa Takahashi; Kazumichi Matsumiya; Ichiro Kuriki; Rumi Tokunaga; Satoshi Shioiri
    i-Perception, Volume:2, Number:8, First page:854, 2011, [Reviewed]
    English
  • Visual and haptic mental rotation               
    Satoshi Shioiri; Takanori Yamazaki; Kazumichi Matsumiya; Ichiro Kuriki
    i-Perception, Volume:2, Number:8, First page:823, 2011, [Reviewed]
    English
  • 視覚系の色と形の結合における局所特徴処理と大域特徴処理の比較               
    繆 仁軍; 徳永留美; 栗木一郎; 松宮一道; 塩入 諭
    映像情報メディア学会技術報告, Volume:35, Number:44, First page:29, Last page:32, 2011
    Japanese
  • 眼球方向分布の頭部方向依存性               
    方 昱; 中島亮一; 松宮一道; 徳永留美; 栗木一郎; 塩入 諭
    映像情報メディア学会技術報告, Volume:35, Number:44, First page:29, Last page:32, 2011
    English
  • 情景の3次元性に基づく文脈手がかりを用いた視線位置の推定               
    真下浩平; 松宮一道; 栗木一郎; 塩入 諭
    映像情報メディア学会技術報告, Volume:35, Number:16, First page:113, Last page:116, 2011
    Japanese
    ISSN:1342-6893, J-Global ID:201102288468773019
  • HUMAN : INFORMATION               
    栗木 一郎
    Volume:64, Number:12, First page:1862, Last page:1862, 01 Dec. 2010
    Japanese
    ISSN:1342-6907, CiNii Articles ID:10026967016, CiNii Books ID:AN10588970
  • Influence of disparity-based depth propagation on surface perception               
    KASAI Shinpei; MATSUMIYA Kazumichi; TOKUNAGA Rumi; KURIKI Ichiro; SHIOIRI Satoshi
    IEICE technical report, Volume:110, Number:294, First page:25, Last page:29, 11 Nov. 2010
    We see the edge and surface of objects in the 3D visual world. Research has revealed the mechanisms of the edge detection in the visual system. However, little is known about the mechanisms of surface perception. It is thought that a surface is formed by the propagation of disparity information to places without disparity. The present study tested this idea by conducting two experiments. In the first experiment, we measured luminance contrast sensitivity for surface perception as a function of propagation distances and spatial frequencies. In the second experiment, we quantitatively assessed the apparent configuration of surfaces and the perceptual stability of surfaces by measuring the normal direction and tangent point of surfaces. The results show that contrast sensitivity for surface perception is reduced according to stimulus distance and spatial frequency, and that the normal directions of the surfaces are overestimated and the tangent points are located far from actual positions when increasing the stimulus distance. Further, the results indicate that the perception of surface tends to be unstable when the propagation distance is longer.
    The Institute of Electronics, Information and Communication Engineers, Japanese
    ISSN:0913-5685, CiNii Articles ID:110008153909, CiNii Books ID:AN1001320X
  • An fMRI study on the binding of color and motion features               
    NAKAMURA Shingo; KURIKI Ichiro; MATSUMIYA Kazumichi; TOKUNAGA Rumi; SHIOIRI Satoshi
    IEICE technical report, Volume:110, Number:228, First page:25, Last page:30, 07 Oct. 2010
    How a brain combines different visual features, such as color and motion is one of the most important questions in visual science. Color and motion are known to be processed in different places in the brain: visual motion is processed in the dorsal pathway, while color is processed in the ventral pathway. However, the information should be combined since we perceive motion and color together in a single object. In order to find where such combination occurs in the visual brain, we measured brain activities by fMRI (functional magnetic resonance imaging) when observers see visual patterns made by motion and color and analyzed these data by multi-voxel pattern-analysis technique.
    The Institute of Electronics, Information and Communication Engineers, Japanese
    ISSN:0913-5685, CiNii Articles ID:110008106600, CiNii Books ID:AN10487237
  • An fMRI study on the binding of color and motion features               
    中村 慎吾; 栗木 一郎; 松宮 一道
    ITE technical report, Volume:34, Number:40, First page:25, Last page:29, Oct. 2010
    Japanese
    ISSN:1342-6893, CiNii Articles ID:40017396427, CiNii Books ID:AN1059086X
  • 4〜5ヵ月の乳児における色恒常性(日本基礎心理学会第28回大会,大会発表要旨)               
    楊 嘉楽; 金沢 創; 山口 真美; 栗木 一郎
    Volume:28, Number:2, 31 Mar. 2010
    Japanese
    ISSN:0287-7651, CiNii Articles ID:110007618388
  • 4~5カ月の乳児における色恒常性               
    YO KARAKU; KANAZAWA HAJIME; YAMAGUCHI MASAMI; KURIKI ICHIRO
    基礎心理学研究, Volume:28, Number:2, First page:262, 31 Mar. 2010
    Japanese
    DOI:https://doi.org/10.14947/psychono.KJ00006393808
    DOI ID:10.14947/psychono.KJ00006393808, ISSN:0287-7651, J-Global ID:201002221853499586
  • What are color illusions?               
    Ichiro Kuriki
    Kogaku, Volume:39, Number:3, First page:89, Last page:95, 01 Mar. 2010
    Japanese, Introduction scientific journal
  • 三次元回転運動による錯視が顔集団の平均向き評価へ与える影響               
    橋本耕太郎; 松宮一道; 松宮一道; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    Volume:22, Number:1, 2010
    ISSN:0917-1142, J-Global ID:201002223753352920
  • 回転運動錯視における色要素の影響               
    瀬川大貴; 栗木一郎; 栗木一郎; 松宮一道; 松宮一道; 塩入諭; 塩入諭
    Volume:22, Number:1, 2010
    ISSN:0917-1142, J-Global ID:201002225247080010
  • 一過性信号による定常的視覚誘発電位の変調の時間特性               
    柏瀬啓起; 松宮一道; 松宮一道; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    Volume:22, Number:1, 2010
    ISSN:0917-1142, J-Global ID:201002242955260259
  • 両眼間速度差検出メカニズムの空間周波数選択性               
    陳智翔; 松宮一道; 松宮一道; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    Volume:22, Number:3, 2010
    ISSN:0917-1142, J-Global ID:201002275125663356
  • 物体配置における環境座標表現の無意識的獲得               
    土合大河; 松宮一道; 松宮一道; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    Volume:22, Number:3, 2010
    ISSN:0917-1142, J-Global ID:201002292614125504
  • Spatiotemporal characteristics of color motion detection during pursuit eye movements               
    瀬川大貴; 松宮一道; 松宮一道; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    電子情報通信学会技術研究報告, Volume:110, Number:294(MBE2010 35-54), 2010
    ISSN:0913-5685, J-Global ID:201102210403400658
  • Using top-down attention based on 3D structure of scene to estimate the location of gaze               
    真下浩平; 松宮一道; 松宮一道; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    電子情報通信学会技術研究報告, Volume:110, Number:294(MBE2010 35-54), 2010
    ISSN:0913-5685, J-Global ID:201102230678256086
  • 視覚表象と運動表象の比較 2               
    山崎隆紀; 松宮一道; 松宮一道; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    Volume:22, Number:1, 2010
    ISSN:0917-1142, J-Global ID:201002254423322904
  • Timings of attentional ‘disengagement’ and ‘reengagement’ estimated with steady-state visual evoked potential               
    Yoshiyuki Kashiwase; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    Journal of Vision, Volume:10, Number:7, First page:103, 2010, [Reviewed]
    English
  • Spatiotemporal characteristics of fast and slow motion detectors               
    Tomoki Harada; Satoshi Shioiri; Ichiro Kuriki; Kazumichi Matsumiya
    Proceedings of Asia-Pacific Conference on Vision, First page:68, 2010, [Reviewed]
    English
  • 色の見えに関する空間的文脈効果における視覚的気づきの影響               
    堀内孝治; 栗木一郎; 松宮一道; 塩入 諭
    VISION, Volume:22, Number:4, First page:203, Last page:206, 2010
    Japanese
    ISSN:0917-1142, J-Global ID:201002230225494698
  • 皮質刺激型人工視覚の新たな可能性               
    栗木一郎
    神経眼科, Volume:26, Number:4, First page:396, Last page:406, 01 Dec. 2009
    Japanese, Introduction scientific journal
  • 乳児における色恒常性の発達(日本基礎心理学会第27回東北大会,大会発表要旨)               
    楊 嘉楽; 金沢 創; 山口 真美; 栗木 一郎
    Volume:27, Number:2, 31 Mar. 2009
    Japanese
    ISSN:0287-7651, CiNii Articles ID:110007228123
  • 加速度情報が位置判断に与える影響               
    橋本耕太郎; 塩入諭; 栗木一郎; 松宮一道
    Volume:21, Number:1, 2009
    ISSN:0917-1142, J-Global ID:200902215255156622
  • Image features and eye movements               
    伊東孝幸; 真野拓郎; 松宮一道; 栗木一郎; 塩入諭
    映像情報メディア学会技術報告, Volume:33, Number:17(HI2009 68-89/3DIT2009 17-38), 2009
    ISSN:1342-6893, J-Global ID:200902211902616350
  • Different effects between explicit and implicit learning in visual search               
    真野拓郎; 塩入諭; 松宮一道; 栗木一郎
    映像情報メディア学会技術報告, Volume:33, Number:17(HI2009 68-89/3DIT2009 17-38), 2009
    ISSN:1342-6893, J-Global ID:200902238756791034
  • Characteristics of Viewpoint Aftereffects               
    橋本耕太郎; 松宮一道; 栗木一郎; 塩入諭
    映像情報メディア学会技術報告, Volume:33, Number:17(HI2009 68-89/3DIT2009 17-38), 2009
    ISSN:1342-6893, J-Global ID:200902244071873135
  • 3次元回転運動のオブジェクト方向知覚への影響               
    橋本耕太郎; 松宮一道; 松宮一道; 栗木一郎; 栗木一郎; 塩入諭; 塩入諭
    Volume:21, Number:3, 2009
    ISSN:0917-1142, J-Global ID:200902219704368295
  • 視覚的注意の「解放」および「再定位」に関する潜時の推定               
    柏瀬啓起; 松宮一道; 栗木一郎; 塩入諭
    Volume:21, Number:3, 2009
    ISSN:0917-1142, J-Global ID:200902224408842201
  • 視覚表象と運動表象の比較               
    山崎隆紀; 塩入諭; 栗木一郎; 松宮一道
    Volume:21, Number:3, 2009
    ISSN:0917-1142, J-Global ID:200902245052023275
  • 指差し課題への空間表象の影響               
    山崎隆紀; 塩入諭; 栗木一郎; 松宮一道
    Volume:21, Number:3, 2009
    ISSN:0917-1142, J-Global ID:200902253774716650
  • 脳活動のパターン解析による色相選択性細胞の存在の検証               
    中村慎吾; 栗木一郎; 栗木一郎; 松宮一道; 松宮一道; 孫沛; 上野賢一; 田中啓治; 程康; 塩入諭; 塩入諭
    Volume:21, Number:3, 2009
    ISSN:0917-1142, J-Global ID:200902287615904022
  • 回転運動錯視における色の影響               
    瀬川大貴; 松宮一道; 栗木一郎; 塩入諭; 松宮一道; 栗木一郎; 塩入諭
    Volume:11th, 2009
    J-Global ID:200902256251114974
  • Spatiotemporal frequency-tuning of motion detectors estimated by technique               
    原田智紀; 栗木一郎; 栗木一郎; 松宮一道; 松宮一道; 塩入諭; 塩入諭
    Optics & Photonics Japan講演予稿集, Volume:2009, 2009
    J-Global ID:201002214972830090
  • 定常的視覚誘発電位による視覚的注意の時間特性の評価               
    柏瀬啓起; 松宮一道; 栗木一郎; 塩入諭
    Number:58, 2009
    ISSN:0495-7326, J-Global ID:201102272127314330
  • 「網膜像刺激」の推定に基づく自然画像統計解析               
    田村隼; 松宮一道; 栗木一郎; 塩入諭
    Volume:8th, 2009
    J-Global ID:200902240336539415
  • 視線位置の確率分布モデルを用いた誘目度の推定               
    伊東孝幸; 松宮一道; 栗木一郎; 塩入諭
    Volume:8th, 2009
    J-Global ID:200902285471298120
  • 内発的な視覚的注意による定常的視覚誘発電位の変調効果               
    柏瀬啓起; 松宮一道; 栗木一郎; 塩入 諭
    VISION, Volume:21, Number:1, First page:39, Last page:44, Jan. 2009
    Japanese, Introduction scientific journal
  • Color representation in human brain               
    Ichiro Kuriki
    The Science of Vision, Volume:29, Number:3, Sep. 2008
    Japanese, Introduction other
  • 周辺視の視野特性を考慮した視覚的注意モデルの構築               
    伊東孝幸; 塩入諭; 栗木一郎; 松宮一道
    Volume:20, Number:3, 2008
    ISSN:0917-1142, J-Global ID:200902212127866502
  • 応答時間による運動残効測定におけるコントラスト/時空間周波数特性               
    原田智紀; 栗木一郎; 松宮一道; 塩入諭
    Volume:20, Number:3, 2008
    ISSN:0917-1142, J-Global ID:200902216911839550
  • 視覚行動関連学習における意識過程と無意識課程への注意の効果               
    永田啓矩; 塩入諭; 松宮一道; 栗木一郎
    Volume:20, Number:1, 2008
    ISSN:0917-1142, J-Global ID:200902216936158719
  • 定常的視覚誘発電位を用いた視覚的注意の時間特性の検討               
    柏瀬啓起; 松宮一道; 栗木一郎; 塩入諭
    Volume:20, Number:1, 2008
    ISSN:0917-1142, J-Global ID:200902222833239478
  • 数字に関わる空間表象のポインティング課題を用いた評価               
    山崎隆紀; 塩入諭; 栗木一郎; 松宮一道
    Volume:20, Number:1, 2008
    ISSN:0917-1142, J-Global ID:200902253632252894
  • 大域運動に対する静止運動残効と動的運動残効の比較               
    田村隼; 塩入諭; 松宮一道; 栗木一郎
    Volume:20, Number:3, 2008
    ISSN:0917-1142, J-Global ID:200902267752900254
  • 内発的な視覚的注意による定常的視覚誘発電位の変調効果               
    柏瀬啓起; 松宮一道; 栗木一郎; 塩入諭
    Volume:20, Number:3, 2008
    ISSN:0917-1142, J-Global ID:200902291370385650
  • The modulation effects of attention on steady-state visual evoked potential compared with psychophysical results               
    柏瀬啓起; 松宮一道; 栗木一郎; 塩入諭
    電気学会医用・生体工学研究会資料, Volume:MBE-08, Number:49-53.55-59.61-62, 2008
    J-Global ID:200902218402738402
  • 空間表象が行動課題に与える影響               
    山崎隆紀; 塩入諭; 栗木一郎; 松宮一道
    Volume:10th, 2008
    J-Global ID:200902281170352263
  • Influences of explicit learning for spatial layout on contextual cueing effect in visual search               
    真野拓郎; 塩入諭; 松宮一道; 栗木一郎
    電子情報通信学会技術研究報告, Volume:108, Number:356(HIP2008 123-148), 2008
    ISSN:0913-5685, J-Global ID:200902255286937349
  • Influence of awareness on adaptation to visuomotor distortions               
    Kazumichi Matsumiya; Hironori Nagata; Satoshi Shioiri; Ichiro Kuriki
    Proceedings of Association for the Scientific Study of Consciousness, First page:151, 2008, [Reviewed]
    English
  • Different patterns of eye movements between implicit and explicit processes in visual search               
    Takuro Mano; Satoshi Shioiri; Kazumichi Matsumiya; Ichiro Kuriki
    Proceeings of Association for the Scientific Study of Consciousness, First page:148, Last page:149, 2008, [Reviewed]
    English
  • 静止画が動いて見える錯視に関する実験的研究               
    蘆田 宏; 北岡 明佳; 久方 瑠美; 金沢 創; 栗木 一郎; 竹内 龍人
    Volume:72, Number:0, First page:WS005, Last page:WS005, 2008
    Japanese
    DOI:https://doi.org/10.4992/pacjpa.72.0_WS005
    DOI ID:10.4992/pacjpa.72.0_WS005, CiNii Articles ID:130007492755
  • 運動残効の応答時間と持続時間の比較               
    原田智紀; 栗木一郎; 松宮一道; 塩入 諭
    電子情報通信学会技術研究報告(ヒューマン情報処理), Volume:HIP2007-158, Number:369(HIP2007 129-158), First page:165, Last page:168, Dec. 2007
    Japanese
    ISSN:0913-5685, J-Global ID:200902202640490512
  • Implicit and explicit learning in visual search               
    Takuro Mano; Katsuya Fujita; Satoshi Shioiri; Kazumichi Matsumiya; Ichiro Kuriki
    Proceedings of International Conference on Kansei Engineering and Emotion Research, First page:A17.1, Last page:A17.4, Oct. 2007, [Reviewed]
    English
  • Investigating the differences between explicit and implicit learning in a visuo-motor task               
    Hironori Nagata; Kazumichi Matsumiya; Satoshi Shioiri; Ichiro Kuriki
    Proceedings of International Conference on Kansei Engineering and Emotion Research, First page:A14.1, Last page:A14.4, Oct. 2007, [Reviewed]
    English
  • Effects of auditory information on reading               
    Kazumich Matsumiya; Hideki Sugiyama; Satoshi Shioiri; Ichiro Kuriki
    Proceedings of the 2nd International Symposium on Mobiligence, First page:97, Last page:100, Jul. 2007, [Reviewed]
    English
  • 文脈手がかり効果における意識的学習と無意識的学習               
    藤田克哉; 真野拓郎; 松宮一道; 塩入諭; 栗木一郎
    Volume:19, Number:1, 2007
    ISSN:0917-1142, J-Global ID:200902203697162542
  • Influence of explicit learning on contextual cueing effect               
    藤田克哉; 真野拓郎; 松宮一道; 塩入諭; 栗木一郎
    映像情報メディア学会技術報告, Volume:31, Number:19(HI2007 62-76), 2007
    ISSN:1342-6893, J-Global ID:200902210532521927
  • 文章読み取りへの音声情報の影響               
    杉山秀樹; 杉山秀樹; 塩入諭; 松宮一道; 栗木一郎
    Volume:19, Number:1, 2007
    ISSN:0917-1142, J-Global ID:200902241254843309
  • 視覚探索における意識・無意識学習効果と眼球運動               
    真野拓郎; 藤田克哉; 松宮一道; 塩入諭; 栗木一郎
    Volume:19, Number:3, 2007
    ISSN:0917-1142, J-Global ID:200902268988732430
  • 応答時間を用いた運動残効の測定               
    原田智紀; 栗木一郎; 松宮一道; 塩入諭
    Volume:19, Number:1, 2007
    ISSN:0917-1142, J-Global ID:200902272981865148
  • 視標追跡課題学習における軌道の確率操作による影響               
    永田啓矩; 塩入諭; 松宮一道; 栗木一郎
    Volume:19, Number:1, 2007
    ISSN:0917-1142, J-Global ID:200902278409737250
  • 脳と色覚               
    栗木一郎
    電子情報通信学会誌, 2007
    Japanese, Introduction other
  • 視覚探索における刺激配置と時間配列の無意識的学習効果               
    真野拓郎; 松宮一道; 塩入 諭; 栗木一郎
    電子情報通信学会技術研究報告(ヒューマン情報処理), Volume:HIP2006-84, Number:410(HIP2006 67-98), First page:87, Last page:90, Dec. 2006
    Japanese
    ISSN:0913-5685, J-Global ID:200902235138032530
  • Correspondence between visual and haptic information in drawing task               
    永田啓矩; 松宮一道; 塩入諭; 栗木一郎
    日本バーチャルリアリティ学会大会論文集(CD-ROM), Volume:11th, 2006
    ISSN:1349-5062, J-Global ID:200902257016974920
  • 心理物理学と脳機能計測の対比による色覚研究の例               
    栗木一郎
    神経回路学会誌, Volume:13, Number:2, First page:75, Last page:83, 2006
    Psychophysical method of study is good at recording input-output relationships of human perceptual behavior. Functional brain imaging gives clue to which area in the brain is activated or how the activation changes with a certain set of stimulus. Both methods should be used in a complementary way: one modality of study supports a hypothesis in the other. Here, an example study about the investigation of the mechanism of perceptual illusion will be introduced. Both psychophysical experiment and functional brain imaging were used to reveal that the reduction of signal-to-noise ratio in the activity of human visual cortex caused the phenomenon.
    Japanese Neural Network Society, Japanese, Introduction other
    DOI:https://doi.org/10.3902/jnns.13.75
    DOI ID:10.3902/jnns.13.75, ISSN:1340-766X, CiNii Articles ID:10019246783, CiNii Books ID:AA11658570
  • 脳機能計測技術の進展               
    栗木一郎
    映像情報メディア学会誌, 2006
    映像情報メディア学会, Japanese, Introduction other
  • Motion-based colour integration along S-cone modulation               
    J Watanabe; Kuriki, I; S Nishida
    PERCEPTION, Volume:34, First page:159, Last page:159, 2005
    PION LTD, English, Summary international conference
    ISSN:0301-0066, Web of Science ID:WOS:000232726000392
  • 外側膝状体における層選択的な視覚刺激               
    栗木 一郎
    Volume:108, First page:123, Last page:123, 15 Mar. 2004
    Japanese
    ISSN:0029-0203, CiNii Articles ID:10016509607, CiNii Books ID:AN00187157
  • Motion-induced colour mixture: objective evaluation by colour matching               
    J Watanabe; Kuriki, I; S Tachi; S Nishida
    PERCEPTION, Volume:33, First page:163, Last page:164, 2004
    PION LTD, English, Summary international conference
    ISSN:0301-0066, eISSN:1468-4233, Web of Science ID:WOS:000224198700514
  • Color vision and color recognition               
    Ichiro Kuriki
    月刊ディスプレイ, Volume:9, Number:6, First page:48, Last page:56, 01 Jun. 2003
    Japanese, Introduction commerce magazine
    ISSN:1341-3961, CiNii Articles ID:40019857817, CiNii Books ID:AA11422144
  • Cortical mechanisms of color constancy               
    栗木一郎
    Journal of the Color Science Association of Japan, Volume:27, Number:3, First page:210, Last page:215, 01 Mar. 2003
    Japanese, Introduction other
  • 脳磁気による色覚情報処理の研究               
    栗木 一郎
    Volume:18, Number:4, First page:414, Last page:420, 25 Dec. 2001
    Japanese
    ISSN:0289-7024, CiNii Articles ID:10012787671, CiNii Books ID:AN1004443X
  • A study of color vision pathway by using MEG               
    Ichiro Kuriki
    Journal of Japanese Neuro-opthalmology Society, Dec. 2001
    Japanese, Introduction other
  • Brain Activity during the Motion Aftereffect Analyzed by Magnetoencephalogram               
    AMANO Kaoru; KURIKI Ichiro; ENDO Hiroshi; OWAKI Takashi; TAKEDA Tsunehiro
    Japanese journal of medical electronics and biological engineering, Volume:39, Number:3, First page:25, Last page:36, 10 Sep. 2001
    Japanese
    ISSN:0021-3292, CiNii Articles ID:10010348252, CiNii Books ID:AN00016981
  • Chromatic Adaptation of the Visual System and Asymmetric Color Matching               
    KURIKI Ichiro
    Japanese journal of optics, Volume:30, Number:8, First page:547, Last page:554, 10 Aug. 2001
    Japanese
    ISSN:0389-6625, CiNii Articles ID:10012332604, CiNii Books ID:AN00080324
  • A study on color constancy by functional MRI technique               
    Ichiro Kuriki
    Journal of the Color Science Associaton of Japan, Volume:25, Number:3, First page:210, Last page:211, Jun. 2001
    Japanese, Introduction other
    ISSN:0389-9357, CiNii Articles ID:110001709704, CiNii Books ID:AN00313976
  • Does color-constancy related cortical area change its activation from structural change in a scene, or average color of the scene?               
    Kuriki, I; S Nakadomari; M Saito; H Takeuchi; A Kandatsu; S Miyauchi; K Uchikawa; K Kitahara
    INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE, Volume:42, Number:4, First page:S49, Last page:S49, Mar. 2001
    ASSOC RESEARCH VISION OPHTHALMOLOGY INC, English, Summary international conference
    ISSN:0146-0404, Web of Science ID:WOS:000168392100265
  • MEG response from visual stimulation in chromatic- and luminance-channels               
    KURIKI Ichiro; TAKEDA Tsunehiro
    Volume:15, First page:389, Last page:390, 13 Oct. 2000
    Japanese
    CiNii Articles ID:10016711518, CiNii Books ID:AN10442953
  • Characteristics of Accommodation Response in Binocular and Monocular Vision               
    OKAYA Yoshihisa; KURIKI Ichiro; HASHIMOTO Keizo; UCHIDA Akira; OWAKI Takashi; TAKEDA Tsunehiro
    Volume:15, First page:143, Last page:146, 13 Oct. 2000
    Japanese
    CiNii Articles ID:10016711011, CiNii Books ID:AN10442953
  • Relations between vergence, accommodation, size nd visual acuity               
    HONDA Haruki; KURIKI Ichiro; HASHIMOTO Keizou; UCHIDA Akira; OWAKI Takashi; TAKEDA Tsunehiro
    Volume:15, First page:147, Last page:148, 13 Oct. 2000
    Japanese
    CiNii Articles ID:10016711018, CiNii Books ID:AN10442953
  • fMRI study on color constancy with realistic visual stimulus.               
    Kuriki, I; S Nakadomari; M Saito; H Takeuchi; A Kandatsu; S Miyauchi; K Uchikawa; K Kitahara
    INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE, Volume:41, Number:4, First page:S239, Last page:S239, Mar. 2000
    ASSOC RESEARCH VISION OPHTHALMOLOGY INC, English, Summary international conference
    ISSN:0146-0404, Web of Science ID:WOS:000086246701256
  • Comparison between contrast threshold perception and fMRI responses to gabor grating with intensities around threshold.               
    M Saito; S Nakadomari; K Kitahara; A Kandatsu; H Takeuchi; S Miyauchi; Kuriki, I; K Uchikawa
    INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE, Volume:41, Number:4, First page:S801, Last page:S801, Mar. 2000
    ASSOC RESEARCH VISION OPHTHALMOLOGY INC, English, Summary international conference
    ISSN:0146-0404, Web of Science ID:WOS:000086246704316
  • fMRIによるV4野の空間周波数特性の検討.               
    田中雄一郎; 北原健二; 神立敦; 仲泊聡; 久米川浩一; 斎藤真広; 栗木一郎; 内川惠二; 武内弘明; 宮内哲
    Volume:11, Number:1, First page:62, 2000
  • 実空間刺激による色恒常性の脳神経機構に関する研究.               
    栗木一郎; 斎藤真広; 内川惠二; 宮内哲; 仲泊聡; 武内弘明; 神立敦; 北原健二
    Volume:12, Number:2, First page:79, Last page:84, 2000
  • 実空間刺激による色恒常性の脳神経機構に関する研究.               
    栗木一郎; 斎藤真広; 内川惠二; 宮内哲; 仲泊聡; 武内弘明; 神立敦; 北原健二
    Volume:11, Number:1, First page:53, 2000
  • 視覚的注意が及ぼす効果の色空間異方性.               
    佐々木達也; 内川惠二; 栗木一郎
    Volume:11, Number:1, First page:54, 2000
  • 視覚刺激の強度変化に伴った脳活動と知覚との対比.               
    斎藤真広; 仲泊聡; 北原健二; 武内弘明; 宮内哲; 栗木一郎; 内川惠二
    Volume:11, Number:1, First page:68, 2000
  • 照明光変化知覚の脳神経機構に関する研究.               
    栗木一郎; 仲泊聡; 北原健二; 神立敦; 武内弘明; 斎藤真広; 内川惠二; 宮内哲
    Number:3, First page:132, 2000
  • ガホール刺激に対するコントラスト閾値知覚とfMRI応答との対比.               
    斎藤真広; 北原健二; 仲泊聡; 武内弘明; 栗木一郎; 宮内哲; 内川惠二
    Number:4, First page:133, 2000
  • Neural Computation Theory of Color Constancy               
    KURIKI Ichiro
    Japanese journal of optics, Volume:28, Number:5, First page:232, Last page:241, 10 May 1999
    Japanese
    ISSN:0389-6625, CiNii Articles ID:10016187293, CiNii Books ID:AN00080324
  • 色恒常性の神経計算論               
    栗木一郎
    Kogaku, May 1999
    Japanese, Introduction other
  • Vision               
    KURIKI Ichiro
    Volume:28, Number:4, First page:187, Last page:188, 10 Apr. 1999
    Japanese
    ISSN:0389-6625, CiNii Articles ID:10016187548, CiNii Books ID:AN00080324
  • Effect of visual sensitivity change on colour constancy               
    I. Kuriki; K. Uchikawa
    PERCEPTION, Volume:28, First page:64, Last page:64, 1999
    PION LTD, English, Summary international conference
    ISSN:0301-0066, Web of Science ID:WOS:000207910500197
  • 色調整のばらつきから見る色差評価の変化               
    鯉田孝和; 内川惠二; 栗木一郎
    Volume:11, Number:2, First page:89, Last page:92, 1999
  • 比対称カラーマッチングにおける不完全色恒常性の要因               
    栗木一郎; 内川惠二
    Volume:11, Number:1, First page:49, 1999
  • 消去現象の定量的評価:健側視野への刺激の輝度コントラストによる影響               
    斎藤真広; 仲泊聡; 北原健二; 栗木一郎; 内川惠二
    Volume:11, Number:1, First page:56, 1999
  • ニューラルネットワークによる色のカテゴリカル知覚の学習.               
    鈴木哲明; 長尾智晴; 栗木一郎; 内川惠二
    Volume:23, Number:29, First page:19, Last page:24, 1999
  • 触覚情報のベクションへの呈示方法のよる効果               
    清水慶尚; 栗木一郎; 内川惠二; 石井雅博; 佐藤誠
    Volume:23, Number:29, First page:13, Last page:18, 1999
  • 表面色モードの輝度限界とオプティマルカラーの類似               
    鯉田孝和; 伊東由紀; 栗木一郎; 内川惠二
    Number:3, First page:1088, 1999
  • 異種照明下における交照法とユニーク白色に基づく視覚感度変化の比較.               
    栗木一郎; 内川惠二
    Number:3, First page:1088, 1999
  • 錐体応答荷重モデルを用いた色恒常性の理論的検討               
    山重真紀夫; 栗木一郎; 内川惠二
    Number:3, First page:1089, 1999
  • カスケード選択法による色差の記憶特性の測定               
    三谷ゆり; 栗木一郎; 内川惠二
    Number:3, First page:1090, 1999
  • 脳損傷による消去現象の注意要因からの検討               
    斎藤真広; 仲泊聡; 栗木一郎; 内川惠二
    Number:3, First page:1092, 1999
  • 神経回路網による色のカテゴリカル知覚の獲得.               
    鈴木哲明; 長尾智晴; 栗木一郎; 内川惠二
    First page:48, Last page:51, 1999
  • 錐体応答荷重モデルによる色恒常性メカニズムの検討               
    栗木一郎; 山重真紀夫; 内川惠二
    First page:84, Last page:87, 1999
  • 参照色呈示の色記憶への効果               
    三谷ゆり; 栗木一郎; 内川惠二
    First page:88, Last page:91, 1999
  • 大視野刺激が眼球運動時の視野安定に及ぼす影響.               
    水科晴樹; 内川惠二; 栗木一郎
    Volume:11, Number:3, First page:145, 1999
  • 大きさ手がかりが速さの恒常性に与える影響               
    谷口知隆; 栗木一郎; 内川惠二
    Volume:11, Number:3, First page:150, 1999
  • ニューラルネットワークによる色のカテゴリカル知覚の獲得.               
    鈴木哲明; 長尾智晴; 栗木一郎; 内川惠二
    Volume:11, Number:3, First page:151, 1999
  • 照明光の変化にともなう色覚感度の変化.               
    栗木一郎; 内川惠二
    Volume:11, Number:3, First page:151, 1999
  • 視覚的注意による色・輝度コントラスト感度変化               
    佐々木達也; 内川惠二; 栗木一郎
    Volume:11, Number:3, First page:155, 1999
  • 照明光の色度変化に伴う色覚感度特性の変化               
    栗木一郎; 内川惠二
    Number:3, First page:886, 1999
  • 大視野の刺激パターンを用いたサッケード中の変位知覚閾の測定               
    水科晴樹; 内川惠二; 栗木一郎
    Number:3, First page:890, 1999
  • 速さの恒常性の成立要因,距離と大きさ手がかり               
    谷口知隆; 内川恵二; 栗木一郎
    First page:277, Last page:278, 1999
  • 色恒常性における局所的照明環境の効果               
    栗木一郎; 内川恵二
    First page:297, Last page:298, 1999
  • ヒト立体視中枢の検討-fMRI研究-               
    斎藤真広; 栗木一郎; 内川惠二; 北原健二; 吉田希望; 仲泊聡; 武内宏明; 宮内哲
    Volume:85, 1999
  • 5)加齢による水晶体黄変が色覚特性に及ぼす効果(画像情報システム研究会)               
    栗木 一郎; 石井 渉; 内川 惠二
    Volume:52, Number:8, First page:1194, Last page:1194, 20 Aug. 1998
    Japanese
    ISSN:1342-6907, CiNii Articles ID:110003692350, CiNii Books ID:AN10588970
  • Spatial localisation during smooth-pursuit eye movements               
    K. Matsumiya; K. Uchikawa; I. Kuriki
    PERCEPTION, Volume:27, First page:143, Last page:144, 1998
    PION LTD, English, Summary international conference
    ISSN:0301-0066, Web of Science ID:WOS:000207910400389
  • Selective sensitivity reduction in chromatic and luminance channels by lowered visual attention               
    K. Uchikawa; T. Nishi; K. Matsumiya; I. Kuriki
    PERCEPTION, Volume:27, First page:68, Last page:69, 1998
    PION LTD, English, Summary international conference
    ISSN:0301-0066, Web of Science ID:WOS:000207910400183
  • 色恒常性における視覚系の順応状態の効果               
    栗木 一郎
    Volume:8, Number:7, First page:21, Last page:25, Jul. 1997
    Japanese
    ISSN:0915-6755, CiNii Articles ID:40005023679, CiNii Books ID:AN10164169
  • Brightness, not luminance, determines the mode of color appearance               
    Y Yamauchi; K Uchikawa; Kuriki, I
    INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE, Volume:38, Number:4, First page:4194, Last page:4194, Mar. 1997
    LIPPINCOTT-RAVEN PUBL, English, Summary international conference
    ISSN:0146-0404, Web of Science ID:WOS:A1997WN21501017
  • Sensitivity to chromatic contrast in the peripheral visual field is affected by the central visual task               
    Kazumichi Matsumiya; Ichiro Kuriki; Keiji Uchikawa
    AIC Color97, Volume:1, First page:302, Last page:305, Mar. 1997
    English
  • 視覚的課題を用いた周辺視野における色度コントラスト感度の測定               
    松宮一道; 栗木一郎; 内川惠二
    VISION, Volume:9, Number:2, First page:81, Last page:84, Mar. 1997
    Japanese
  • Effect of ambient illuminant on surface colour constancy               
    I. Kuriki; K. Uchikawa
    PERCEPTION, Volume:26, First page:108, Last page:108, 1997
    PION LTD, English, Summary international conference
    ISSN:0301-0066, Web of Science ID:WOS:000207910700296
  • Distinction between two classes of color constancy               
    Kuriki, I; K Uchikawa
    INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE, Volume:37, Number:3, First page:4891, Last page:4891, Feb. 1996
    LIPPINCOTT-RAVEN PUBL, English, Summary international conference
    ISSN:0146-0404, Web of Science ID:WOS:A1996TX39704884
  • The shift of white-point according to the change of illuminant and the segregat ion of surface-and apperent-color perception               
    Kuriki Ichiro; Uchikawa Keiji
    Proceeding of Annual Conference of The Illuminating Engineering Institute of Japan, Volume:28, First page:184, Last page:184, 31 Mar. 1995
    The Illuminating Engineering Institute of Japan (IEIJ), Japanese
    ISSN:0919-1895, CiNii Articles ID:110001145563, CiNii Books ID:AN10170820
  • Effect of Surround Stimulus and Judgment Criteria on Color Appearance in Instant Color Constancy               
    KURIKI I.
    Journal of the Institute of Illuminating Engineering, Japan, Volume:79, First page:39, Last page:49, 1995
    CiNii Articles ID:10021043277
■ Books and other publications
  • 感覚・知覚心理学ハンドブック 第三版               
    和氣 典二; 重野 純; 村上 郁也, [Contributor]
    Apr. 2025
    ISBN:9784414305050
  • 図説「視覚の科学」               
    [Contributor]
    Apr. 2023
    ISBN:9784254102949
  • 現代心理学辞典
    子安, 増生; 丹野, 義彦; 箱田, 裕司, [Contributor]
    Feb. 2021
    Total pages:996p, 図版 [18] p
    CiNii Books:http://ci.nii.ac.jp/ncid/BC05748514
    ISBN:9784641002661, CiNii Books ID:BC05748514
  • 色カテゴリーの獲得・変容と色名-クラスター解析と乳幼児の脳機能計測による研究-(小川芳樹編「コーパスからわかる言語変化・変異と言語理論2」)               
    栗木 一郎, [Contributor]
    Oct. 2019
    Japanese, Responsible for pages:pp.396-415, Scholarly book
  • 脳科学辞典「色覚」               
    栗木 一郎, [Joint work]
    Apr. 2019
    Japanese, Responsible for pages:https://bsd.neuroinf.jp/wiki/%E8%89%B2%E8%A6%9A, Dictionary or encycropedia
    研究者が執筆する脳科学関連のwiki型web辞書.
    https://bsd.neuroinf.jp/wiki/色覚
  • 知覚心理学               
    北岡明佳編著, [Editor], 第3章
    ミネルヴァ書房, Apr. 2011
    Japanese, Textbook
  • 新編 色彩科学ハンドブック第3版               
    日本色彩学会編, [Joint work], 第8章 色の生理
    朝倉書店, Apr. 2011
    Japanese, Dictionary or encycropedia
    ISBN:9784130611312
  • 映像情報メディア工学大事典               
    映像情報メディア学会編, [Joint work], 3.4 色覚情報処理:高次機能,4.6 分光感度と明るさへの順応
    オーム社, Jun. 2010
    Japanese, Dictionary or encycropedia
    ISBN:9784274208690
  • 視覚心理入門-基礎から応用視覚まで-               
    映像情報メディア学会; 編; 内川惠二; 監, [Editor], 3.1 脳機能計測
    オーム社, Mar. 2009
    Japanese, Scholarly book
  • The methods of experiments for sensation and perception               
    Ichiro Kuriki, [Editor], 第8章「非侵襲脳機能計測」
    Asakura Publishing Co. Ltd., Oct. 2008
    Japanese, Scholarly book
    ISBN:9784254106350
  • 新・心理学の基礎知識               
    Yoshiaki Nakajima; Yuji Hakota; Kazuo Shigemasu, Ed, [Joint editor], 色の恒常性,明るさ知覚,色の現れ方
    Yuhikaku Publishing, Co. Ltd., Jan. 2005
    Japanese, Scholarly book
  • Handbook for Color Terms               
    Color Society of; Japan Eds, [Contributor], fMRI, 色恒常性 他(10項目)
    University of Tokyo Press, Mar. 2003
    Japanese, Dictionary or encycropedia
  • Handbook for Visual Information Processing               
    Vision Society of; Japan Eds, [Contributor], 色恒常性
    Asakura Publishing, 2000
    Japanese, Dictionary or encycropedia
■ Lectures, oral presentations, etc.
  • Color category and its representation in human brain               
    Ichiro Kuriki
    Asia Color Association 2024, Nov. 2024, [Invited]
    Nov. 2024 - Nov. 2024, English, Invited oral presentation
    共同研究・競争的資金等ID:46288895
  • Changes in brain activity pattern by color tasks               
    Ichiro Kuriki; Takato Arima; Takeshi Hamano; Shunsuke Takano; Kenichi Ueno
    Jul. 2024
    English, Oral presentation
    共同研究・競争的資金等ID:31353452
  • Color appearance mechanisms and its relation to perceived “reality” from colorization.               
    Ichiro Kuriki
    Pi-Lab talk, TU Delft, Apr. 2022, [Invited]
    English
    共同研究・競争的資金等ID:31353452;36925902
  • Color representation in the human brain               
    Ichiro Kuriki
    The 28th International Display Workshop, Dec. 2021, [Invited]
    English, Invited oral presentation
  • 色知覚の多様性と脳内情報表現               
    栗木一郎
    Sep. 2021, [Invited]
    Japanese, Invited oral presentation
    共同研究・競争的資金等ID:31353452
  • Representation of color in human brain               
    Ichiro Kuriki
    Kolloquium des SFB TRR 135 Cardinal mechanisms of perception, Gissen University, Jun. 2021, [Invited]
    English, Public discourse
  • Hue selectivity of SSVEP response: properties of its grand mean and underlying factors               
    Ichiro Kuriki
    January meeting, Colour Group GB, Jan. 2021, [Invited]
    English, Invited oral presentation
  • 色情報の脳内表現について:低次と高次からのアプローチ               
    栗木 一郎
    May 2019, [Invited], [Domestic conference]
    Japanese, Invited oral presentation
  • 色知覚と脳内の色情報表現               
    栗木 一郎
    Apr. 2019, [Invited], [Domestic conference]
    Japanese, Others
  • 「色を見る/色が見える」時に脳内では何が起きているのか?               
    栗木 一郎
    Mar. 2019, [Invited], [Domestic conference]
    Japanese, Invited oral presentation
  • 「色と言葉から脳の活動を見える化しよう」               
    栗木 一郎
    Jan. 2019, [Invited], [Domestic conference]
    Japanese, Nominated symposium
  • Study on color category in Japanese by using a clustering analysis               
    KURIKI Ichiro
    Asia Color Association Conference 2018, Dec. 2018, [Invited], [International conference]
    English, Keynote oral presentation
  • Colors in the words, colors in the brains.               
    KURIKI Ichiro
    Color Association of Japan, 70th anniversary lecture, Nov. 2018, [Invited], [Domestic conference]
    Japanese, Invited oral presentation
  • Representation dissimilarity analysis of cortical responses to color stimuli               
    KURIKI Ichiro
    ISMRM-Japanese Chapter 2nd meeting, Feb. 2018, [Domestic conference]
    English, Oral presentation
  • Color category in languages and infants               
    Color Association of Taiwan Annual Meeting, Nov. 2017, [Invited], [International conference]
    Keynote oral presentation, Taiwan Taipei
  • Representation of color information in human visual cortex               
    Public Lecture, Department of Psychology, National Taiwan University, Nov. 2017, [Invited], [International conference]
    Invited oral presentation, Taiwan Taipei
  • Representation of color information in human visual cortex               
    Schnurmacher institute for vision research Colloquium, College of Optometry, State University of New York, Nov. 2017, [Invited], [International conference]
    English, Invited oral presentation, United States New York
  • Representation dissimilarity analysis of cortical responses to color stimuli               
    Ichiro Kuriki; Wakiko Maemura; Kazumichi Matsumiya; Satoshi Shioiri
    Neuroscience 2017, Nov. 2017, [International conference]
    Poster presentation, United States Washington, D.C.
  • Impacts of lower- and higher- luminance components on the material perception               
    Yuta Hosaka; Takehiro Nagai; Tomoharu Sato; Ichiro Kuriki
    OSA Fall Vision Meeting 2017, Oct. 2017, [International conference]
    Poster presentation, United States Washington, D.C.
  • Interactions of colour- and luminance-defined motion signals in human visual cortex measured by fMRI               
    Ichiro Kuriki; Weijing Ren; Kazumichi Matsumiya; Satoshi Shioiri
    International Colour Vision Society (ICVS) 2017, Aug. 2017, [International conference]
    Oral presentation, Germany Erlangen
  • Color compensation in anomalous trichromats assessed with fMRI               
    Katherine EM Tregillus; John E Vanston; Donald IA MacLeod; Ichiro Kuriki; Stephen A Engel; Michael A Webster
    International Colour Vision Society (ICVS) 2017, Aug. 2017, [International conference]
    Oral presentation, Germany Erlangen
  • Study on hue selectivity in human visual cortex by fMRI               
    Japan Neuroscience Society Annual Meeting, Jul. 2017, [International conference]
    Nominated symposium, JAPAN Makuhari
  • Color representations in human visual cortex               
    RIKEN BSI forum, Jul. 2017, [Domestic conference]
    Invited oral presentation, JAPAN 和光市
  • Difference in Brain Activities for Unique and Cardinal Hues Investigated by fMRI               
    Ichiro Kuriki; Wakiko Maemura; Kazumichi Matsumiya; Satoshi Shioiri
    Asia Pacific Conference on Vision (APCV) 2017, Jul. 2017, [International conference]
    Oral presentation, Taiwan Tainan
  • Modeling the Learning Process of Object Locations in Natural Scenes               
    Satoshi Shioiri; Zhengxiong Yuan; Kazumichi Matsumiya; Ichiro Kuriki
    Asia Pacific Conference on Vision (APCV) 2017, Jul. 2017, [International conference]
    Oral presentation, Taiwan Tainan
  • Measuring Attentional Facilitation Related to Preparation of Hand Movements               
    Takumi Miura; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    Asia Pacific Conference on Vision (APCV) 2017, Jul. 2017, [International conference]
    Poster presentation, Taiwan Tainan
  • Predicting Direction of Motion in Depth by a Model with Lateral Motion Detectors               
    Wei Wu; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    Asia Pacific Conference on Vision (APCV) 2017, Jul. 2017, [International conference]
    Poster presentation, Taiwan Tainan
  • Shift of Visual Attention to the Illusory Hand Location               
    Moe Nonomura; Chia-Huei Tseng; Kazumichi Matsumiya; Ichiro Kuriki
    Asia Pacific Conference on Vision (APCV) 2017, Jul. 2017, [International conference]
    Poster presentation, Taiwan Tainan
  • Hue selectivity in human visual cortex               
    Vision Science Conference, Jun. 2017, [International conference]
    Nominated symposium, China 曲阜
  • Color representations in higher and lower levels of human visual cortex               
    Seminar, Department of Psychology, Tsinghua University, Jun. 2017, [International conference]
    Invited oral presentation, China 北京
  • Color representations in higher and lower levels of human visual cortex               
    Colloquium, Institute of Biophysics, Chinese Academy of Science, Jun. 2017, [International conference]
    Invited oral presentation, China 北京
  • Cortical Response to categorical color differences in pre-linguistic infants as measured by NIRS               
    Colloquium, Beijing Normal University, Jun. 2017, [International conference]
    Invited oral presentation, China 北京
  • Color representation in human visual cortex.               
    生体医工学会シンポジウム, May 2017, [Domestic conference]
    Invited oral presentation, JAPAN 仙台
  • Unified Histogram for the Population of Hue-Selective Voxels in Human Visual Cortex.               
    Pei Sun; Kenichi Ueno; Kang Cheng
    Optical Society of America Fall Vision Meeting 2015, Oct. 2016, [International conference]
    Poster presentation, United States Rochester, NY
  • Cortical response to categorical colors in prelingual infants               
    Jiale Yang; So Kanazawa; Masami K. Yamaguchi
    Seeing Colors: International symposium on color vision, Sep. 2016, [International conference]
    Invited oral presentation, Germany Regensburg
  • 脳活動の共分散構造解析を用いたユニーク色情報の生起部位に関する検討               
    前村和貴子; 松宮一道; 塩入 諭
    日本視覚学会 2016 夏季大会, Aug. 2016, [Domestic conference]
    Oral presentation, JAPAN 新潟
  • 色運動順応後の輝度運動に対する逆方向選択性の運動残効               
    任 薇静; 松宮一道; 塩入 諭
    日本視覚学会 2016 夏季大会, Aug. 2016, [Domestic conference]
    Oral presentation, JAPAN 新潟
  • Cortical representation for the categorical color perception in infants investigated by near-infrared spectroscopy               
    Jiale Yang; So Kanazawa; Masami K. Yamaguchi
    Asia-Pacific Conference on Vision, Jul. 2016, [International conference]
    Oral presentation, Australia Fremantle, WA
  • Generation of a Combined Histogram for the Population of Hue-Selective Voxels in Human Visual Cortex               
    Pei Sun; Kenichi Ueno; Kang Cheng
    Human Brain Mapping 2016, Jun. 2016, [International conference]
    Poster presentation, Switzerland Geneva
  • Brief presentation enhances various simultaneous contrast effects               
    Sae Kaneko; Stuart Anstis
    Vision Sciences Society, May 2016, [International conference]
    Poster presentation, United States St. Petes Beach, FL
  • Study of the Japanese color lexicon using cluster analysis               
    Yumiko Muto; Kazuho Fukuda; Rumi Tokunaga; Angela M. Brown; Delwin T. Lindsey; Keiji Uchikawa; Satoshi Shioiri
    Vision Sciences Society, May 2016, [International conference]
    Poster presentation, United States St. Petes Beach, FL
  • Visual attention around invisible hands.               
    Satoshi Shioiri; Ryota Nishikawa; Kazumichi Matsumiya
    Vision Sciences Society, May 2016, [International conference]
    Poster presentation, United States St. Petes Beach, FL
  • 有彩色照明下における無彩色点のCIELAB空間での線形性               
    映像情報メディア学会ヒューマンインフォメーション研究会, Nov. 2015, [Domestic conference]
    Oral presentation
  • Cortical representation for the categorical color perception in infants investigated by near-infrared spectroscopy               
    Jiale Yang; So Kanazawa; Masami K. Yamaguchi; Ichiro Kuriki
    Neuroscience 2015, Oct. 2015, [International conference]
    Poster presentation, United States Chicago, IL
  • Effect of material perception on the mode of color appearance               
    European Conference of Visual perception, Aug. 2015, [International conference]
    Oral presentation, U.K. Liverpool
  • Dissociation of neutral chromatic points for color discrimination and color appearance under incomplete chromatic adaptation               
    Tomoharu Sato; Takehiro Nagai; Ichiro Kuriki; Shigeki Nakauchi
    23rd Symposium of International Colour Vision Society, Jul. 2015, [International conference]
    Poster presentation, JAPAN Sendai
  • Cortical response to categorical color perception in infants investigated by near-infrared spectroscopy               
    Jiale Yang; So Kanazawa; Masami K. Yamaguchi; Ichiro Kuriki
    23rd Symposium of International Colour Vision Society, Jul. 2015, [International conference]
    Poster presentation, JAPAN Sendai
  • Categorical color clusters of Japanese color lexicon               
    Ichiro Kuriki; Yumiko Muto; Kazuho Fukuda; Rumi Tokunaga; Delwin T. Lindsey; Angela M. Brown; Keiji Uchikawa; Satoshi Shioiri
    23rd Symposium of International Colour Vision Society, Jul. 2015, [International conference]
    Oral presentation, JAPAN Sendai
  • Differences in fMRI responses to cardinal and unique hues in human visual cortex               
    Wakiko Maemura; Ichiro Kuriki; Kazumichi Matsumiya; Satoshi Shioiri
    23rd Symposium of International Colour Vision Society, Jul. 2015, [International conference]
    Oral presentation, JAPAN Sendai
  • Study on image statistics when color attracts human attention               
    Yasuhiro Hatori; Ichiro Kuriki; Kazumichi Matsumiya; Satoshi Shioiri
    2015 AIC midterm meeting, May 2015, [International conference]
    Poster presentation, JAPAN Tokyo
  • Velocity selective mechanisms for fast and slow visual motion studied by behavioral and fMRI techniques               
    Ichiro Kuriki; Yoshiyuki Yamada; Kazumichi Matsumiya; Satoshi Shioiri
    Neuroscience 2014, Nov. 2014, [International conference]
    Poster presentation, United States Washington, D.C.
  • Relationships between the mode of color appearance and material perception               
    Optical Society of America Fall Vision Meeting 2014, Oct. 2014, [International conference]
    Oral presentation, United States
  • Interactions of color- and luminance-defined motion signal in human visual cortex.               
    Ichiro Kuriki; Hongfei Xie; Rumi Tokunaga; Kazumichi Matsumiya; Satoshi Shioiri
    Vision Sciences Society, May 2014, [International conference]
    Poster presentation, United States
  • Different spatial attention for different stages of visual processing               
    Satoshi Shioiri; Hajime Honjo; Kazumichi Matsumiya; Ichiro Kuriki
    Vision Sciences Society, May 2014, [International conference]
    Poster presentation, United States
  • 乳幼児の色カテゴリー知覚と関連脳活動の計測               
    栗木一郎; 楊 嘉楽; 金沢 創; 山口真美
    日本色彩学会 視覚情報基礎研究会, Mar. 2014, [Domestic conference]
    Invited oral presentation
  • 色運動・輝度運動信号の脳内での相互作用               
    栗木一郎; 謝 鴻飛; 徳永留美; 松宮一道; 塩入 諭
    日本視覚学会, Jan. 2014, [Domestic conference]
    Oral presentation
  • オブジェクト内注意拡散の時間特性の検討               
    塩入 諭; 大森暢喬; 松宮一道; 栗木一郎
    日本視覚学会, Jan. 2014, [Domestic conference]
    Oral presentation
  • 速度選択的な順応効果を用いた運動視メカニズムの研究               
    山田祥之; 栗木一郎; 松宮一道; 塩入 諭
    日本視覚学会, Jan. 2014, [Domestic conference]
    Oral presentation
  • Mechanisms for color-defined and luminance-defined motions in human visual system studied by psychophysical and functional brain-imaging techniques.               
    Ichiro Kuriki; Hongfei Xie; Rumi Tokunaga; Kazumichi Matsumiya; Satoshi Shioiri
    Society for Neuroscience, Nov. 2013, [International conference]
    Poster presentation, United States
  • Attention spreads measured by steady state visual evoked potential and by event related potential               
    Satoshi Shioiri; Hajime Honjo; Yoshiyuki Kashiwase; Rumi Tokunaga; Kazumichi Matsumiya; Ichiro Kuriki
    European Conference on Visual Perception, Aug. 2013, [International conference]
    Poster presentation
  • Hue-selective mechanisms in human visual cortex               
    Ichiro Kuriki
    International Colour Vision Society, Jul. 2011, [International conference]
    Poster presentation
  • Hue-selective mechanisms in human visual cortex.               
    International Colour Vision Society, Jul. 2011, [International conference]
    Poster presentation, Norway Kongsberg
  • Eye movement differences between implicit and explicit contextual cuing effects               
    Satoshi Shioiri; Takuro Mano; Kazumichi Matsumiya; Ichiro Kuriki
    Association for the Scientific Study of Consciousness, Jun. 2011, [International conference]
    Poster presentation
  • Contextual cuing effect with self motion               
    Taiga Tsuchiai; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    Association for the Scientific Study of Consciousness, Jun. 2011, [International conference]
    Poster presentation
  • The effect of color-luminance correlations in surrounding stimuli on color constancy under interocular suppression               
    Koji Horiuchi; Ichiro Kuriki; Rumi Tokunaga; Kazumichi Matsumiya; Satoshi Shioiri
    Vision Sciences Society, May 2011, [International conference]
    Poster presentation
  • Attention boosts neural population response via neural response synchronization               
    Yoshiyuki Kashiwase; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    Vision Sciences Society, May 2011, [International conference]
    Poster presentation
  • 情景の3次元性に基づく文脈手がかりを用いた視線位置の推定               
    真下浩平; 松宮一道; 栗木一郎; 塩入 諭
    映像情報メディア学会, Mar. 2011, [Domestic conference]
    Oral presentation
  • 視覚的注意による神経応答の増大と神経応答の同期の関係               
    柏瀬啓起; 松宮一道; 栗木一郎; 塩入 諭
    日本視覚学会, Jan. 2011, [Domestic conference]
    Oral presentation
  • 知覚抑制下の色周辺刺激の色輝度相関が色の見えに及ぼす効果               
    堀内孝治; 栗木一郎; 徳永留美; 松宮一道; 塩入 諭
    日本視覚学会, Jan. 2011, [Domestic conference]
    Poster presentation
  • 視覚探索における時空間配列の文脈手がかり効果に関する研究               
    蒋晨暁; 松宮一道; 栗木一郎; 塩入 諭
    生体・生命工学研究会, Dec. 2010, [Domestic conference]
    Oral presentation
  • 情景の3次元性に基づくトップダウン注意を用いた視線位置の推定               
    真下浩平; 松宮一道; 栗木一郎; 塩入 諭
    電子情報通信学会, Nov. 2010, [Domestic conference]
    Oral presentation
  • 両眼視差による面知覚への視差伝播の影響               
    笠井慎平; 松宮一道; 徳永留美; 栗木一郎; 塩入 諭
    電子情報通信学会, Nov. 2010, [Domestic conference]
    Oral presentation
  • 追従眼球運動時の色運動検出の時空間特性               
    瀬川大貴; 松宮一道; 栗木一郎; 塩入 諭
    電子情報通信学会, Nov. 2010, [Domestic conference]
    Oral presentation
  • fMRIを用いた視覚的運動情報と色情報の知覚的結合に関する研究               
    中村慎吾; 栗木一郎; 松宮一道; 徳永留美; 塩入 諭
    電子情報通信学会, Oct. 2010, [Domestic conference]
    Oral presentation
  • 色の見えに関する空間的文脈効果における視覚的気づきの影響               
    堀内孝治; 栗木一郎; 松宮一道; 塩入 諭
    日本視覚学会夏季大会, Aug. 2010, [Domestic conference]
    Poster presentation, JAPAN 横浜市
    ベストプレゼンテーション賞受賞
  • 長期色順応中における短期色順応に対する残効強度の変化               
    今井千尋; 栗木一郎; 渡辺正峰; 鈴木秀幸
    日本視覚学会, Aug. 2010, [Domestic conference]
    Oral presentation, JAPAN 横浜
  • 色の見えに関する空間的文脈効果における視覚的気づきの影響               
    堀内孝治; 栗木一郎; 塩入 諭; 松宮一道
    日本視覚学会, Aug. 2010, [Domestic conference]
    Poster presentation
  • 両眼間速度差検出メカニズムの空間周波数選択性               
    陳 智翔; 松宮一道; 栗木一郎; 塩入 諭
    日本視覚学会, Aug. 2010, [Domestic conference]
    Poster presentation
  • 物体配置における環境座標表現の無意識的獲得               
    土合大河; 松宮一道; 栗木一郎; 塩入 諭
    日本視覚学会, Aug. 2010, [Domestic conference]
    Oral presentation
  • Spatiotemporal characteristics of fast and slow motion detectors               
    Tomoki Harada; Satoshi Shioiri; Ichiro Kuriki; Kazumichi Matsumiya
    Asia-Pacific Conference on Vision, Jul. 2010, [International conference]
    Poster presentation
  • Looking off effect—shift of face direction caused by a rotating object               
    Kotaro Hashimoto; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    Vision Sciences Society, May 2010, [International conference]
    Poster presentation
  • Timings of attentional ‘disengagement’ and ‘reengagement’ estimated with steady-state visual evoked potential               
    Yoshiyuki Kashiwase; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    Vision Sciences Society, May 2010, [International conference]
    Poster presentation
  • Decoding color responses in human visual cortex               
    Shingo Nakamura; Pei Sun; Kenichi Ueno; Kazumichi Matsumiya; Satoshi Shioiri; Keiji Tanaka; Kang Cheng
    IMQA 2010, May 2010, [International conference]
    Invited oral presentation, JAPAN Tokyo
  • 回転運動錯視における色要素の影響               
    瀬川大貴; 栗木一郎; 松宮一道; 塩入 諭
    日本視覚学会, Jan. 2010, [Domestic conference]
    Poster presentation
  • 一過性信号による定常的視覚誘発電位の変調の時間特性               
    柏瀬啓起; 松宮一道; 栗木一郎; 塩入 諭
    日本視覚学会, Jan. 2010, [Domestic conference]
    Poster presentation
  • 視覚表象と運動表象の比較2               
    山崎隆紀; 松宮一道; 栗木一郎; 塩入 諭
    日本視覚学会, Jan. 2010, [Domestic conference]
    Oral presentation
  • 三次元回転運動による錯視が顔集団の平均向き評価へ与える影響               
    橋本耕太郎; 松宮一道; 栗木一郎; 塩入 諭
    日本視覚学会, Jan. 2010, [Domestic conference]
    Poster presentation
  • 複数の視覚的運動情報処理機構に対するマスキングを用いた時空間周波数特性評価               
    原田智紀; 栗木一郎; 松宮一道; 塩入 諭
    日本光学会年次学術講演会, Nov. 2009, [Domestic conference]
    Oral presentation
  • Comparison of the time course of attentional shifts with endogenous and exogenous controls               
    Yoshiyuki Kashiwase; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    Society for Neuroscience, Oct. 2009, [International conference]
    Poster presentation
  • 視線位置の確率分布モデルを用いた誘目度の推定               
    伊東孝幸; 松宮一道; 栗木一郎; 塩入 諭
    第8回情報科学技術フォーラム, Sep. 2009, [Domestic conference]
    Oral presentation
  • 「網膜像刺激」の推定に基づく自然画像統計解析               
    田村 隼; 松宮一道; 栗木一郎; 塩入 諭
    第8回情報科学技術フォーラム, Sep. 2009, [Domestic conference]
    Oral presentation
  • 回転運動錯視における色の影響               
    瀬川大貴; 松宮一道; 栗木一郎; 塩入 諭
    第11回日本感性工学会大会, Sep. 2009, [Domestic conference]
    Oral presentation
  • Estimation of the time course of attentional ‘disengagement’ and ‘reengagement’with steady-state visual evoked potential               
    Yoshiyuki Kashiwase; Kazumichi Matsumiya; Ichiro Kuriki; Satoshi Shioiri
    National Institute of Physiological Studies (NIPS) International Workshop for Scientific Study of Consciousness, Sep. 2009, [International conference]
    Poster presentation
  • 脳活動のパターン解析による色相選択性細胞の存在の検証               
    中村慎吾; 栗木一郎; 松宮一道; 孫沛; 上野賢一; 田中啓治; 程康; 塩入 諭
    日本視覚学会, Jul. 2009, [Domestic conference]
    Poster presentation
  • 視覚表象と運動表象の比較               
    山崎隆紀; 塩入 諭; 栗木一郎; 松宮一道
    日本視覚学会, Jul. 2009, [Domestic conference]
    Poster presentation
  • 指差し課題への空間表象の影響               
    山崎隆紀; 塩入 諭; 栗木一郎; 松宮一道
    日本視覚学会, Jul. 2009, [Domestic conference]
    Poster presentation
  • 3次元回転運動のオブジェクト方向知覚への影響               
    橋本耕太郎; 松宮一道; 栗木一郎; 塩入 諭
    日本視覚学会, Jul. 2009, [Domestic conference]
    Oral presentation
  • 視覚的注意の「解放」および「再定位」に関する潜時の推定               
    柏瀬啓起; 松宮一道; 栗木一郎; 塩入 諭
    日本視覚学会, Jul. 2009, [Domestic conference]
    Oral presentation
  • 脳内の色情報表現               
    第48回眼光学学会総会シンポジウム12「色覚を科学する」, Jun. 2009, [Domestic conference]
    Nominated symposium
  • 視覚探索における意識的・無意識的学習効果の違い               
    真野拓郎; 塩入 諭; 松宮一道; 栗木一郎
    映像情報メディア学会, Mar. 2009, [Domestic conference]
    Others
  • 画像特徴と注視               
    伊東孝幸; 真野拓郎; 松宮一道; 栗木一郎; 塩入 諭
    映像情報メディア学会, Mar. 2009, [Domestic conference]
    Others
  • 視点順応効果の諸性質               
    橋本耕太郎; 松宮一道; 栗木一郎; 塩入 諭
    映像情報メディア学会, Mar. 2009, [Domestic conference]
    Others
  • 脳内の色情報表現と色恒常性               
    日本視覚学会, Jan. 2009, [Domestic conference]
    Oral presentation
  • 加速度情報が位置判断に与える影響               
    橋本耕太郎; 塩入 諭; 栗木一郎; 松宮一道
    日本視覚学会, Jan. 2009, [Domestic conference]
    Poster presentation
  • Measurement of motion aftereffect by the difference of reaction time.               
    Tomoki Harada; Kazumichi Matsumiya; Satoshi Shioiri
    Society for Neuroscience annual meeting 2008, Nov. 2008, [International conference]
    Poster presentation, United States Washington, D.C.
  • 「蛇の回転」錯視におけるヒト視覚野の活動               
    日本心理学会, Sep. 2008, [Domestic conference]
    Invited oral presentation, JAPAN 札幌
  • 「蛇の回転」錯視における運動知覚時の脳活動に関する研究               
    蘆田 宏; 村上郁也; 北岡明佳
    日本感性工学会, Sep. 2008, [Domestic conference]
    Oral presentation, JAPAN 東京
  • Characteristics of post-opponent colour-channels revealed by chromatic notched-noise adaptation technique.               
    Asia Pacific Conference on Vision, Jul. 2008, [International conference]
    Oral presentation, Australia Brisbane
  • Functional brain imaging of the 'Rotating Snakes' illusion.               
    Hiroshi Ashida; Ikuya Murakami; Akiyoshi Kitaoka
    Vision Sciences Society, May 2008, [International conference]
    Oral presentation, United States Naples, FL
  • Hue selectivity of human visual cortices revealed by BOLD fMRI               
    Ichiro Kuriki; Pei Sun; Ken-ichi Ueno; Keiji Tanaka; Kang Cheng
    Society for Neuroscience Annual Meeting, Nov. 2007, [International conference]
    Poster presentation, United States San Diego
  • Color representation in human visual cortex               
    International Symposium on Vision and Image, Oct. 2007, [Domestic conference]
    Invited oral presentation, JAPAN Tokyo
  • 回転運動錯視に対する脳活動計測の試み               
    北岡明佳; 蘆田宏; 村上郁也
    日本視覚学会夏季大会, Jul. 2007, [Domestic conference]
    Oral presentation
  • 応答時間を用いた運動残効の測定               
    原田智紀; 松宮一道; 塩入 諭
    日本視覚学会冬季大会, Jan. 2007, [Domestic conference]
    Poster presentation
  • 文脈手がかり効果における意識的学習と無意識的学習               
    藤田克哉; 松宮一道; 塩入 諭
    日本視覚学会冬季大会, Jan. 2007, [Domestic conference]
    Poster presentation
  • 視標追跡課題学習における軌道の確率操作による影響               
    永田啓矩; 松宮一道; 塩入 諭
    日本視覚学会冬季大会, Jan. 2007, [Domestic conference]
    Poster presentation
  • 文章読み取りへの音声情報の影響               
    杉山秀樹; 松宮一道; 塩入 諭
    日本視覚学会冬季大会, Jan. 2007, [Domestic conference]
    Poster presentation
  • Study on hue selectivity in human visual cortex by using chromatic notched-noise stimulus               
    Isao Ishida
    Society for Neuroscience Annual meeting, Oct. 2006, [International conference]
    Oral presentation
  • Assessment of Color Constancy in Brain- Damaged Patient with Color Chart.               
    Mini symposium “Colour and art in the brain”, Aug. 2006, [International conference]
    Invited oral presentation, Tokyo
  • Assessment of color constancy in brain-damaged patient with color chart               
    Satoshi Nakadomari; Kenji Kitahara
    Fourth Asian Conference on Vision, Jul. 2006, [International conference]
    Oral presentation
  • Color vision immediately taking off the eyepatch after cataract surgery – Evaluation of cyanopsia by achromatic settings               
    Takaaki Kitakawa; Satoshi Nakadomari; Kenji Kitahara
    Fourth Asian Conference on Vision, Jul. 2006, [International conference]
    Poster presentation
  • 脳磁計(MEG)によるヒト色覚中枢の時間応答の非侵襲的計測               
    東北大学電気通信研究所共同プロジェクト研究シンポジウム「コミュニケーションダイナミクス」, Mar. 2006, [Domestic conference]
    Invited oral presentation
  • A study on slow changes in chromatic-contrast sensitivity by using psychophysics and functional MRI.               
    Riken BSI Forum, Nov. 2004, [Domestic conference]
    Invited oral presentation
  • 脳機能計測と心理物理による色覚メカニズムの研究               
    大阪電気通信大学 視覚情報基礎研究施設 (VIRI) 研究会, Oct. 2004, [Domestic conference]
    Invited oral presentation
  • 色を見るしくみの基礎               
    慈眼会, Jul. 2004, [Domestic conference]
    Invited oral presentation
  • 外側膝状体における層選択的な視覚刺激               
    日本眼科学会第108回総会, Apr. 2004, [Domestic conference]
    Nominated symposium
  • 色恒常性のメカニズム               
    京都大学霊長類研究所,共同利用研究会『霊長類の色覚情報処理と進化』, Jun. 2002, [Domestic conference]
    Invited oral presentation
  • 色と表面の知覚-実験とモデルの対比-               
    栗木一郎; 中内茂樹; 辻村誠一
    日本視覚学会2001年夏季大会トピックディスカッション, Jul. 2001, [Domestic conference]
    Nominated symposium
  • 視覚系の感度変化と色恒常性について               
    平成13年度 生理学研究所研究会, Jun. 2001, [Domestic conference]
    Invited oral presentation
  • functional MRIによる色恒常性の神経機構に関する研究               
    日本色彩学会色覚研究会, Oct. 2000, [Domestic conference]
    Invited oral presentation
  • 色恒常性のメカニズム               
    日本視覚学会夏季大会, Jul. 1997, [Domestic conference]
    Nominated symposium
■ Teaching experience
  • Apr. 2023 - Present
    Signal and Systems, Saitama University
  • Oct. 2021 - Present
    Image Processing Techniques, Saitama University
  • Oct. 2021 - Present
    Special lectures on the visual information processing system., Saitama University
  • Oct. 2022 - Mar. 2024
    Computer Architecture, Saitama University
  • Apr. 2021 - Jul. 2022
    Information Technology Basic I, Saitama University
  • Apr. 2021 - Sep. 2021
    Data Mining Exercise, Saitama University
  • Oct. 2019 - Jan. 2021
    情報処理演習基礎
  • Oct. 2006 - Jan. 2021
    数値コンピューティング
  • Apr. 2006 - Jul. 2020
    高次視覚情報処理論
  • Jul. 2018 - Aug. 2018
    Intensive lecture on the basics of human color vision, Tsinghua University (China)
■ Affiliated academic society
  • Optical Society of Japan
  • Vision Society of Japan
  • Organization of Human Brain Mapping
  • Society for Neuroscience
  • Vision Sciences Society
  • Optical Society of America
■ Research projects
  • Study on color representation in human cortex based on individual differences in perception and brain activity               
    JSPS, Grant-in-aid for Scientific Research, Class A, Apr. 2024 - Mar. 2028
    Ichiro Kuriki; Masami K Yamaguchi; So Kanazawa; Sae Kaneko; Takehiro Nagai; Jiale Yang; Kenichi Ueno; Hiroaki Kiyokawa, Saitama University, Principal investigator
    Grant amount(Total):47710000, Direct funding:36700000, Indirect funding:11010000
    Grant number:24H00702
    論文ID:49542394, MISC ID:49833484, 講演・口頭発表等ID:48621351
  • AIの導入による総合的錯視研究の新展開               
    05 Apr. 2021 - 31 Mar. 2026
    Grant amount(Total):41860000, Direct funding:32200000, Indirect funding:9660000
    Grant number:21H04426
  • Cortical mechanism of reality by colorization and its limitation               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Transformative Research Areas (A), Apr. 2023 - Mar. 2025
    Ichiro Kuriki, Saitama University
    Grant amount(Total):7800000, Direct funding:6000000, Indirect funding:1800000
    Grant number:23H04330
    論文ID:45551099, MISC ID:49833390, 受賞ID:48621376
  • Cortical mechanisms of color vision in human and their perceptual correlates               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A), Grant-in-Aid for Scientific Research (A), 01 Apr. 2020 - 31 Mar. 2024
    Tohoku University
    Grant amount(Total):44850000, Direct funding:34500000, Indirect funding:10350000
    Grant number:20H00597
    論文ID:48936492, MISC ID:49833477, 講演・口頭発表等ID:48234987, 受賞ID:48621380
  • Study on the mechanisms of #TheDress illusion by using deep neural network               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Research (Exploratory), Grant-in-Aid for Challenging Research (Exploratory), Jul. 2021 - Mar. 2024
    Ichiro KURIKI; Takashi SHINOZAKi, Tohoku University, Principal investigator
    Grant amount(Total):6500000, Direct funding:5000000, Indirect funding:1500000
    Grant number:21K19777
    MISC ID:44362506
  • 変角光学的要因に基づく「本物らしさ」の質感知覚における脳神経メカニズムの解明               
    01 Apr. 2020 - 31 Mar. 2023
    Grant amount(Total):4290000, Direct funding:3300000, Indirect funding:990000
    Grant number:20K12036
  • Relationships between reality of objects and perceptual noise               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Transformative Research Areas (A), Grant-in-Aid for Transformative Research Areas (A), Sep. 2021 - Mar. 2023
    Tohoku University, Principal investigator
    Grant amount(Total):7800000, Direct funding:6000000, Indirect funding:1800000
    Grant number:21H05796
    論文ID:45551099, MISC ID:44362561, 講演・口頭発表等ID:36925895, 受賞ID:48621386
  • Audiovisual spatial attention controlled by self-initiated attention               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A), Grant-in-Aid for Scientific Research (A), 01 Apr. 2019 - 31 Mar. 2022
    Shioiri Satoshi, Tohoku University
    Grant amount(Total):46670000, Direct funding:35900000, Indirect funding:10770000
    The visual attention is usually shifted by self-initiation in daily life, and we investigated the brain activities corresponding to self-initiated attention to understand the attention process working in daily life. Criticality states of neural activities is a possible index of preparing process of the self-initiated attention. Therefore, we searched critical states related to attentional shift self-initiated, analyzing electroencephalogram data. We conducted an experiment, in which subjects selected the location and time of attention shift freely, allowing also to choose not to shift. The critical state was analyzed separately for EEG results for different brain areas to compare brain activities under shift and no-shift cases. The results suggest that critical states of the global dynamics of brain activity is related to self-initiated attention. Related to this issue, we also worked on multimodal attention processes for attention shift between different modality in future.
    Grant number:19H01111
  • Property of visual and material perception under wide luminance range environment               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area), Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area), 01 Apr. 2018 - 31 Mar. 2020
    Tohoku University
    Grant amount(Total):8320000, Direct funding:6400000, Indirect funding:1920000
    Grant number:18H04995
    論文ID:33431259
  • Multiphasic studies on visual illusions with experimental psychology, brain function imaging, mathematical analyses and biological approaches               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A), Grant-in-Aid for Scientific Research (A), 01 Apr. 2015 - 31 Mar. 2019
    Kitaoka Akiyoshi, Ritsumeikan University
    Grant amount(Total):45630000, Direct funding:35100000, Indirect funding:10530000
    We examined visual illusions using several approaches including experimental psychology, fMRI studies, mathematics, and animal experiments. A great progress was made in the study of color illusions. We found two different types of spatial color mixture, accompanied by the proposal of an impressive color illusion image in which observers can see either white or black in the same pattern depending on the types of spatial color mixture. Moreover, the Munker illusion, one of the strongest color illusions, can be explained in this context. Other approaches also made a progress in the study of visual illusions.
    Grant number:15H01984
    MISC ID:44362495
  • Role of partial information of luminance histogram and contribution of spatial resolution in material perception               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area), Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area), 01 Apr. 2016 - 31 Mar. 2018
    Tohoku University
    Grant amount(Total):7930000, Direct funding:6100000, Indirect funding:1830000
    Grant number:16H01658
  • Interactions of bottom-up and top-down signal of vision in human brain               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), 01 Apr. 2015 - 31 Mar. 2018
    Kuriki Ichiro; KANEKO Sae; MAEMURA Wakiko; REN Weijing; KOSHIZAKA Wakana; Lindsey Delwin T.; Brown Angela M.; Webster Michael A.; Andersen Søren K., Tohoku University
    Grant amount(Total):20020000, Direct funding:15400000, Indirect funding:4620000
    Interactions of feed forward and feed back signals in human visual cortex was studied by using psychophysics and functional brain imaging techniques. The interactions of color and luminance signal in visual motion was examined by functional MRI and we observed the interaction takes place in wide range of visual area. Also, we investigated the representation of color information in human brain by using functional brain imaging and psychophysical techniques. We reported that categorical color representation has been obtained in the brain of pre-lingual infants (5-7mo) by brain activity recording by near infrared spectroscopy. Also we observed the evolution of color category in the last 30 years in Japanese, revealed by applying an analysis by clustering algorithm to psychophysically recorded data of color categories.
    Grant number:15H03460
  • Measurement of spatial distribution of visual attention by using SSVEP evoked by dichoptic stimulation               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Exploratory Research, Grant-in-Aid for Challenging Exploratory Research, 01 Apr. 2015 - 31 Mar. 2018
    Kuriki Ichiro, Tohoku University
    Grant amount(Total):3770000, Direct funding:2900000, Indirect funding:870000
    We investigated and established a method to measure the distribution of visual attention by using visually evoked potential (VEP). When an image of visual scene is sectored and each sector flickers in time, VEPs with corresponding temporal frequency (SSVEP) will be induced. By monitoring the changes in amplitude of this SSVEP we can monitor the state of visual attention at each sector. In the present study, we sectored left/right eye images in different ways; e.g., left-eye image was sectored vertically and right-eye image was sectored horizontally. If the number of vertical and horizontal sectors are 5 and 3, respectively, the total number of frequency used is 8 but we can obtain attentional state of 15 sectors. According to the reduction of SSVEP frequencies, it was possible to obtain better S/N ratio, and we succeeded in estimating the focus of attention by this method.
    Grant number:15K12041
  • 色の見えのモードと質感との関連およびその神経基盤               
    01 Apr. 2013 - 31 Mar. 2016
    Grant amount(Total):5850000, Direct funding:4500000, Indirect funding:1350000
    Grant number:25135702
  • Approach in Physiological optics and psychophysics to reveal universal color vision mechanism compensating for individual difference in the cone number ratio in the retina               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A), Grant-in-Aid for Scientific Research (A), 01 Apr. 2013 - 31 Mar. 2016
    UCHIKAWA Keiji
    Grant amount(Total):41730000, Direct funding:32100000, Indirect funding:9630000
    We carried out ERG flicker method and AO fundus camera method to measure individual L/M ratios. Applying observer’s gene analysis, we revised individual spectral functions and obtained L/M ratios of five observers. Unique colors were measured by the same five observers. It was shown that the L/M ration did not have any relation to color appearance. Color discrimination thresholds were measured by the same observers. It seemed that individual l/M ratios were weakly related to slopes of luminance discrimination threshold lines, but they were not related to chromaticity discrimination. It was shown in fMRI measurements that the representation of unique hues in V4 was strongly affected by the feedback from higher order cortex than that for cardinal hues. We discussed color vision mechanisms compensating for individual difference in L/M ratio in the retina.
    Grant number:25245065
  • Study on the flow of elementary visual feature signal in the cortex.               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), 01 Apr. 2012 - 31 Mar. 2016
    Ichiro Kuriki; SHIOIRI Satoshi; TOKUNAGA Rumi; MATSUMIYA Kazumichi; KASHIWASE Yoshiyuki; OMORI Nobutaka; XIE Hongfei; YAMADA Yasuyuki; MAEMURA Wakiko, Tohoku University
    Grant amount(Total):17290000, Direct funding:13300000, Indirect funding:3990000
    Visual information signal in human brain is known to be once divided into elementary components, such as motion, shape, color, and etc., and combined after independent process at different regions in the brain. We investigated the representation of each elementary component of visual information in the brain and their way of interactions in the brain. We used motion signal modulated by color and luminance, and confirmed the interactions of these motion signals in human brain. Our results suggest that the way of interaction varies as a function of time after the offset of adapting stimulus. Next, we investigated the representation of color signal in the brain and found neurons that respond selectively to intermediate colors, in addition to those selective to opponent colors (red/green, yelllow/blue). Also, we investigated the shape of visual attention is affected by a feedback signal from the object-shape recognition process, by monitoring EEG components called SSVEP.
    Grant number:24330205
  • The study of new visual illusions: Approaches from experimental psychology, brain function imaging and mathematical analyses               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A), Grant-in-Aid for Scientific Research (A), 01 Apr. 2010 - 31 Mar. 2014
    KITAOKA Akiyoshi; ARAI Hotoshi; KURIKI Ichiro; ASHIDA Hiroshi; MURAKAMI Ikuya; MURAKAMI Ikuya, Ritsumeikan University
    Grant amount(Total):48100000, Direct funding:37000000, Indirect funding:11100000
    Visual illusion was investigated from multiple viewpoints. A variety of new illusions was reported. In particular, it was revealed and discussed that the color-dependent motion illusion in a stationary image shows an illusory motion in a constant direction in a bright condition whereas it displays motion illusion in the reverse direction in a dark condition. The distorted concentric circle illusion, a kind of spiral illusion, was analyzed mathematically. The adaptation method using the fMRI technique revealed that not only hMT+ but V1 responds to the "Rotating snakes" illusion.
    Grant number:22243044
  • The functions and roles of parallel motion processes               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), 01 Apr. 2010 - 31 Mar. 2014
    SHIOIRI Satoshi; KURIKI Ichiro; MATUMIYA Kazumichi, Tohoku University
    Grant amount(Total):19630000, Direct funding:15100000, Indirect funding:4530000
    Human visual system is suggested to have two kinds of visual motion mechanisms that differ in their most sensitive velocity. However, the mechanisms of very slow motion, and its interaction with the fast motion are unclear. We addressed these issues with a direction selective adaptation technique in both psychophysical and fMRI methods, and with a masking technique in psychophysics.
    Psychophysical results showed that there are two different motion systems with different spatiotemporal tunings.fMRI results showed that the two motion systems exist in different visual areas: first motion system in MT+ and slow motion system in V4.
    We also investigated the spatiotemporal stimulation on retina in everyday life. The results showed tendency that the stimulation extends to high temporal frequencies when people are moving comparing with when people are immobile. These results may indicate that the two different motion systems exist at different cortical sites and works for different functions.
    Grant number:22330198
  • Integration and separation of visual information in the human visual cortex.               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), 2009 - 2011
    KURIKI Ichiro; SHIOIRI Satoshi; MATSUMIYA Kazumichi; TOKUNAGA Rumi, Tohoku University
    Grant amount(Total):18720000, Direct funding:14400000, Indirect funding:4320000
    We investigated how elements of visual information are separated and integrated in the human visual cortex, by classifying brain activity in relation to visual stimuli. It has been clarified that color signals are encoded in the brain not as the combination of cone-opponent signals, and it was demonstrated the presence of neurons selective to each hue in no less than eight hue directions. For the combination of color and motion signal in the brain with strong relation to the human visual percept, we have found that brain activities recorded in several lower-level visual cortex and a higher level cortex could have been classified into the classes correspond to the subjective report. For the combination of form and color the orientation of a short line element, which is the elementary signal of shape at the lower level of visual cortex, and color information are linked tightly across wide area of visual cortex. In summary, our results suggest that some elements of visual information are tightly linked throughout the visual cortex, and some others are linked at a localized area in the human visual cortex. Also, it was suggested that feed forward and feed back signals must be dissociated in the future study on this topic.
    Grant number:21330165
  • Research on the structure and function of the cortical visual motion perception               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), 2008 - 2011
    ASHIDA Hiroshi; ASHIDA Masako; UESAKI Maiko; KITAOKA Akiyoshi; MURAKAMI Ikuya; HISAKATA Rumi; KURIKI Ichiro; ANDREW T Smith; MATT Wall; ANGELIKA Lingnau; KRISH Singh, Kyoto University
    Grant amount(Total):17160000, Direct funding:13200000, Indirect funding:3960000
    Cortical areas for motion perception were investigated by using fMRI. First, motion-specific responses to an anomalous motion figure was measured and underlying visual pathways were identified. Second, motion-related areas were re-assessed by using multi-voxel analyses. Final conclusion is yet to be sought, but the merits and limitations of the method have been suggested for future study. Finally, activities of higher visual-motion-related areas for self-motion perception were observed, which suggests the next steps of research.
    Grant number:20330149
  • A study on the mechanisms underlying anomalous motion illusions               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A), Grant-in-Aid for Scientific Research (A), 2006 - 2008
    KITAOKA Akiyoshi; KURIKI Ichiro; ASHIDA Hiroshi; MURAKAMI Ikuya, Ritsumeikan University
    Grant amount(Total):41990000, Direct funding:32300000, Indirect funding:9690000
    Grant number:18203036
  • Motion pathways for visual perception and for action               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), 2006 - 2008
    SHIOIRI Satoshi; KURIKI ICHIRO; MATSUMIYA KAZUMICHI, Tohoku University
    Grant amount(Total):17140000, Direct funding:15400000, Indirect funding:1740000
    Grant number:18330153
  • 視覚の意識的処理と無意識的処理の役割               
    2006 - 2007
    Grant amount(Total):8600000, Direct funding:8600000
    Grant number:18047005
  • A study on advancing color and receding color (chromostereopsis) from a viewpoint of the modified model of longitudinal chromatic aberration.               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), 2003 - 2005
    KITAOKA Akiyoshi; KURIKI Ichiro; ASHIDA Hiroshi, Ritsumeikan University
    Grant amount(Total):9700000, Direct funding:9700000
    Chromostereopsis refers to a phenomenon that a red object appears to in front of or behind a blue one if they are located on the same frontoparallel plane. This phenomenon is frequently explained with the transverse chromatic aberration model. There are, however, a variety of difficulties for the model to explain many aspects of chromostereopsis, e.g. the half-occlusion effect. Here we have proposed a new model partly based upon the longitudinal chromatic aberration model and named the "center-of-gravity" model. We have found this model to give the best explanation of chromostereopsis. Moreover, we have discovered new color illusions that would be relevant to and agree with our model.
    Grant number:15330159
  • Quantitative Measurement of Sensitivity in Peripheral Visual field               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), 1999 - 2000
    UCHIKAWA Keiji; KURIKI Ichiro, Tokyo Institute of Technology
    Grant amount(Total):3600000, Direct funding:3600000
    We use the fovea when we look at an object carefully, but we use the peripheral visual field when we see our environmental world surrounding us. The visual properties are very different between the fovea and the peripheral visual field. Therefore it is important and necessary to consider characteristics of the peripheral visual field in order to obtain good reality in a large picture presented in a large-size display. We measured 1. visual space localization and displacement sensitivity during saccade and pursuit eye movements, 2. temporal contrast sensitivity function, 3. categorical color perception, 4. vection as an index of reality sensation, in the peripheral visual field by psychophysical methods in order to quantify sensitivity of the peripheral vision. Our research achievement is summarized as follows.
    1. Apparatuses were built to present a large stimulus synchronizing eye movement in the peripheral visual filed. The results show that stimulus at the target position in the peripheral visual field was better discriminated before saccade, distortion of localization was observed during saccade, but not observed during pursuit eye movements, and stimulus displacement sensitivity in the entire visual field was degraded.
    2. Temporal contrast sensitivity function at the fovea was almost equal to that at the 30 and 40 deg in the nasal visual field in higher temporal frequencies, and was lower in the lower temporal frequencies when the stimulus size and intensity were equated by the MF-scaling.
    3. Categorical color appearance was almost the same between at the fovea and in the peripheral visual field although color appears continuously different across visual field.
    4. Vection strength was measured with magnitude estimation and latency as a function of the stimulus size. It is shown that vection strength increased up to 80 deg of the stimulus size, and that vection strength was correlated well with barycentric fluctuation.
    Grant number:11832006
  • 色恒常性の成立における二つの神経機構の分離に関する研究               
    1998 - 1999
    Grant amount(Total):2100000, Direct funding:2100000
    Grant number:10750031
■ Industrial Property Rights
  • 画像色補正装置,方法,プログラムおよび記録媒体               
    栗木一郎, Patent right
    Patent/Registration no:4225414
  • 立体画像呈示方法並びに立体視画像生成投影装置及び呈示システム装置               
    栗木一郎, Patent right
■ media coverage
  • 「色のふしぎ」と不思議な社会               
    Other than myself, Oct. 2020, [Others]
  • NHK-E「又吉直樹のヘウレーカ!:あなたは何色に見えますか?」               
    23 Oct. 2019, [Media report]
    HPより「虹といえば7色ってホントにそうだろうか?青い空や海、赤い夕陽、緑色の木々、こうした身の回りにあふれる色彩をほとんどの人は誤解していると研究者の栗木さんは言う。色彩とは物質についているものではないし、科学的には「色が見える」というのも正確ではない。「色は脳の中で作られている」というのだ。それゆえ色の受け止め方は人それぞれ。又吉が見たドレスや寿司(すし)の写真も、ホントは何色なのか、わからなくなる~?」
  • 日経プラス1「緑なのに「青信号」日本だけ」               
    12 Oct. 2019, [Paper]
  • NHK「チコちゃんに叱られる!」解説               
    22 Jun. 2018, [Media report]
  • Why don't Americans have a name for the color 'light blue?'               
    EurekAlert!, 28 Mar. 2017, [Others]
    日本語の色名カテゴリーに関する研究成果に関する記事.3年前の英語における研究と,30年前の同種の研究との比較により現代日本語の特徴を抽出することに成功した., 日本語の色名カテゴリーに関する研究成果に関する記事.3年前の英語における研究と,30年前の同種の研究との比較により現代日本語の特徴を抽出することに成功した.
  • 水色はこの30年で青から独立               
    朝日小学生新聞, 28 Mar. 2017, [Paper]
    日本語の色名カテゴリーに関する研究成果に関する記事.3年前の英語における研究と,30年前の同種の研究との比較により現代日本語の特徴を抽出することに成功した., 日本語の色名カテゴリーに関する研究成果に関する記事.3年前の英語における研究と,30年前の同種の研究との比較により現代日本語の特徴を抽出することに成功した.
  • <東北大>日本人 水色と青色を明確に区別               
    河北新報, 07 Mar. 2017, [Paper]
    日本語の色名カテゴリーに関する研究成果に関する記事.3年前の英語における研究と,30年前の同種の研究との比較により現代日本語の特徴を抽出することに成功した., 日本語の色名カテゴリーに関する研究成果に関する記事.3年前の英語における研究と,30年前の同種の研究との比較により現代日本語の特徴を抽出することに成功した.
  • The Evolving Poetry Of Japanese Color Names               
    Asian Scientist, 03 Mar. 2017, [Others]
    日本語の色名カテゴリーに関する研究成果に関する記事.3年前の英語における研究と,30年前の同種の研究との比較により現代日本語の特徴を抽出することに成功した., 日本語の色名カテゴリーに関する研究成果に関する記事.3年前の英語における研究と,30年前の同種の研究との比較により現代日本語の特徴を抽出することに成功した.
  • The evolution of Japanese color vocabulary over the past 30 years               
    EurekAlert!, 03 Mar. 2017, [Others]
    日本語の色名カテゴリーに関する研究成果に関する記事.3年前の英語における研究と,30年前の同種の研究との比較により現代日本語の特徴を抽出することに成功した., 日本語の色名カテゴリーに関する研究成果に関する記事.3年前の英語における研究と,30年前の同種の研究との比較により現代日本語の特徴を抽出することに成功した.
  • 日本語における「青」と「緑」の混用、経緯を解明 - 東北大               
    マイナビニュース, 03 Mar. 2017, [Others]
    日本語の色名カテゴリーに関する研究成果に関する記事.3年前の英語における研究と,30年前の同種の研究との比較により現代日本語の特徴を抽出することに成功した., 日本語の色名カテゴリーに関する研究成果に関する記事.3年前の英語における研究と,30年前の同種の研究との比較により現代日本語の特徴を抽出することに成功した.
  • 「緑」なのに「青信号」の謎 東北大が解明 日本語の色彩表現は進化している!               
    ハザードラボ, 03 Mar. 2017, [Others]
    日本語の色名カテゴリーに関する研究成果に関する記事.3年前の英語における研究と,30年前の同種の研究との比較により現代日本語の特徴を抽出することに成功した., 日本語の色名カテゴリーに関する研究成果に関する記事.3年前の英語における研究と,30年前の同種の研究との比較により現代日本語の特徴を抽出することに成功した.
  • Ma I colori sono uguali per tutti?               
    Il Venerdi, 01 May 2016, [Paper]
    言語を獲得する前の乳幼児の脳活動を測定し,色のグループ(カテゴリー)に対応した脳活動の変化を発見した., 言語を獲得する前の乳幼児の脳活動を測定し,色のグループ(カテゴリー)に対応した脳活動の変化を発見した.
  • Babies’ Innate Sense of Color               
    Scientific American Mind, 01 May 2016, [Paper]
    言語を獲得する前の乳幼児の脳活動を測定し,色のグループ(カテゴリー)に対応した脳活動の変化を発見した., 言語を獲得する前の乳幼児の脳活動を測定し,色のグループ(カテゴリー)に対応した脳活動の変化を発見した.
  • 言葉を覚える前でも 乳児,色の種類区別               
    日刊工業新聞, 09 Feb. 2016, [Paper]
    言語を獲得する前の乳幼児の脳活動を測定し,色のグループ(カテゴリー)に対応した脳活動の変化を発見した., 言語を獲得する前の乳幼児の脳活動を測定し,色のグループ(カテゴリー)に対応した脳活動の変化を発見した.
  • 中央大など、言語獲得前の赤ちゃんも青と緑を区別することを確認               
    マイナビニュース, 09 Feb. 2016, [Others]
    言語を獲得する前の乳幼児の脳活動を測定し,色のグループ(カテゴリー)に対応した脳活動の変化を発見した., 言語を獲得する前の乳幼児の脳活動を測定し,色のグループ(カテゴリー)に対応した脳活動の変化を発見した.
  • Neurons That Respond To Intermediate Colors Identified               
    Asian Scientist, 13 Oct. 2015, [Others]
    脳活動計測により,人間の脳内の色選択性を調べたところ,初期の視覚野において中間色に対応して反応する脳活動の存在を明らかにした., 脳活動計測により,人間の脳内の色選択性を調べたところ,初期の視覚野において中間色に対応して反応する脳活動の存在を明らかにした.
  • Human visual cortex holds neurons that selectively respond to intermediate colors               
    EurekAlert!, 13 Oct. 2015, [Others]
    脳活動計測により,人間の脳内の色選択性を調べたところ,初期の視覚野において中間色に対応して反応する脳活動の存在を明らかにした., 脳活動計測により,人間の脳内の色選択性を調べたところ,初期の視覚野において中間色に対応して反応する脳活動の存在を明らかにした.
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