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HAISHI Koichi
Special needs education courseProfessor
Graduate School of Education

Researcher information

■ Field Of Study
  • Humanities & social sciences, Special needs education
  • Humanities & social sciences, Experimental psychology
■ Career
  • Apr. 2015 - Present
  • Apr. 2013 - Present, Japan
  • Apr. 2010 - Mar. 2013
  • Apr. 2007 - Mar. 2013, Joetsu University of Education Graduate School of Education
  • 2002 - 2003, Nagano University, Faculty of Social Work
  • 2000 - 2002, Nagano University
  • 1997 - 2000, Nagano University
■ Educational Background
  • Apr. 1993 - Mar. 1997, Tohoku University, Graduate School of Education, Japan
  • Apr. 1991 - Mar. 1993, Tohoku University, Japan
  • Apr. 1987 - Mar. 1991, Tohoku University, Faculty of Education, Japan

Performance information

■ Paper
  • 知的障害児における口頭数詞からアラビア数字表記への変換処理の特徴               
    河野武志; 葉石光一
    Volume:73, Number:2, First page:143, Last page:151, Sep. 2024
    Research institution
  • 知的障害児の数表記の学習に対する心理特性と指導環境の影響               
    河野武志; 葉石光一
    Volume:23, Number:1, First page:45, Last page:52, Aug. 2024, [Reviewed]
    Scientific journal
  • 児童における口頭数詞からアラビア数字表記への変換処理に対する数字の属性およびワーキングメモリ機能の影響               
    河野武志; 葉石光一
    Volume:49, First page:1, Last page:12, Mar. 2024, [Reviewed]
    Scientific journal
  • 肢体不自由と知的障害のある重度・重複障害児の認知機能と支援:認知、姿勢および運動機能を結びつける条件の検討               
    葉石光一;山中冴子
    Volume:70, Number:2, First page:261, Last page:267, Oct. 2021
  • 知的障害児における数詞の変換処理:支援法開発のための予備的検討               
    河野武志; 葉石光一
    Volume:70, Number:1, First page:113, Last page:126, Jun. 2021
  • 超・極早産児及び超・極低出生体重児の実行機能と脳病理               
    池田吉史; 小林優子; 八島猛; 葉石光一; 奥住秀之
    Volume:26, First page:7, Last page:12, Mar. 2020
    Japanese, Research institution
  • 大学生の主観的健康と目標意識,自己評価との関連−病弱教育に関する教育実践の基礎研究−               
    八島猛; 葉石光一; 大庭重治; 池田吉史
    Volume:26, First page:25, Last page:29, Mar. 2020
    Japanese, Research institution
  • 知的障害児・者における手作業の速さおよび変動性に対する社会的促進効果               
    葉石光一; 池田吉史; 大庭重治
    Volume:26, First page:1, Last page:5, Mar. 2020
    Japanese, Research institution
  • 知的障害児・者における行動・認知の社会的側面と課題遂行支援               
    葉石光一; 池田吉史; 大庭重治
    Volume:25, First page:47, Last page:52, Mar. 2019
    Japanese, Research institution
  • 知的障害者の手作業に対する他者との共行為の効果               
    葉石光一; 池田吉史; 大庭重治; 浅田晃佑
    Volume:24, First page:1, Last page:5, Mar. 2018
    Japanese, Research institution
  • 思春期における自己認知の発達に関する横断的研究-自尊感情、コンピテンス、重要度評価の観点から-               
    八島猛; 大庭重治; 葉石光一; 池田吉史
    Volume:23, First page:79, Last page:85, Mar. 2017
    Japanese, Research institution
  • 知的障害者における持続的注意と抑制制御               
    葉石光一; 池田吉史; 大庭重治; 奥住秀之; 勝二博亮; 岡崎慎治; 八島猛
    Volume:66, Number:1, First page:129, Last page:135, Mar. 2017
    Japanese, Research institution
  • 大脳性視覚障害児の発達支援における特性評価               
    大庭重治; 八島猛; 池田吉史; 葉石光一
    Volume:36, Number:1, First page:117, Last page:124, Sep. 2016
    Japanese, Research institution
  • Mental transformation of a constantly visible item and a memorized item               
    Hideyuki Okuzumi; Yuhei Oi; Ryotaro Saito; Yoshifumi Ikeda; Shogo Hirata; Koichi Haishi; Mitsuru Kokubun; Mutsuko Oi
    INTERNATIONAL JOURNAL OF PSYCHOLOGY, Volume:51, Number:S1, First page:204, Last page:204, Jul. 2016, [Reviewed]
    English, International conference proceedings
    ISSN:0020-7594, eISSN:1464-066X, Web of Science ID:WOS:000413720401775
  • 知的障害者の反応時間特性の分析および手作業の効率性向上に向けた支援実践上の観点               
    葉石光一; 池田吉史; 大庭重治; 八島猛; 勝二博亮; 岡崎慎治; 奥住秀之; 國分充
    Volume:22, First page:19, Last page:22, Mar. 2016
    Research institution
  • Measuring inhibitory control without requiring reading skill.               
    Okuzumi, H; Saito, R; Ikeda, Y; Oi, Y; Hirata, S; Haishi, K; Sagisaka, R; Sako, H
    Asian Journal of Human Services, Volume:8, First page:13, Last page:19, Apr. 2015, [Reviewed]
    English, Scientific journal
    DOI:https://doi.org/10.14391/ajhs.8.13
    DOI ID:10.14391/ajhs.8.13
  • Stroop-like interference in the fruit Stroop test in typical development.               
    Okuzumi, H; Ikeda, Y; Otsuka, N; Saito, R; Oi, Y; Hirata, S; Haishi, K; Kokubun, M
    Psychology, Volume:6, Number:5, First page:643, Last page:649, Apr. 2015, [Reviewed]
    English, Scientific journal
    DOI:https://doi.org/10.4236/psych.2015.65062
    DOI ID:10.4236/psych.2015.65062
  • 子どもの大脳性視覚障害と教育実践的支援における諸課題               
    大庭重治; 池田吉史; 八島猛; 葉石光一
    Volume:21, First page:15, Last page:20, Mar. 2015
    Japanese, Research institution
  • 知的障害者の実行機能と支援実践の課題               
    葉石光一; 池田吉史; 八島猛; 大庭重治
    Volume:21, First page:39, Last page:42, Mar. 2015
    Japanese, Research institution
  • Walking and balance ability in people with intellectual disabilities               
    Okuzumi H; Ikeda Y; Kokubun M; Hirata S; Haishi, K
    Journal of Policy and Practice in Intellectual Disabilities, Volume:10, Number:2, First page:160, Last page:160, Jun. 2013, [Reviewed]
    English, International conference proceedings
  • Inhibitory control in children with intellectual disabilities and/or autism spectrum disorder               
    Ikeda Y; Okuzumi H; Kokubun M; Haishi, K
    Journal of Policy and Practice in Intellectual Disabilities, Volume:10, Number:2, First page:131, Last page:131, Jun. 2013, [Reviewed]
    English, International conference proceedings
  • Inhibitory control measured using the Stroop color-word test in people with intellectual disabilities               
    Ikeda Y; Okuzumi H; Kokubun M; Haishi K
    Asian Journal of Human Services, Volume:4, First page:54, Last page:61, Apr. 2013, [Reviewed]
    English, Scientific journal
  • Age-related change of the mean level and intraindividual variability of saccadic reaction time performance in persons with intellectual disabilities               
    Koichi Haishi; Hideyuki Okuzumi; Mitsuru Kokubun
    RESEARCH IN DEVELOPMENTAL DISABILITIES, Volume:34, Number:3, First page:968, Last page:975, Mar. 2013, [Reviewed]
    English, Scientific journal
    DOI:https://doi.org/10.1016/j.ridd.2012.11.022
    DOI ID:10.1016/j.ridd.2012.11.022, ISSN:0891-4222, Web of Science ID:WOS:000315128200012
  • Equilibrium function by functional reach in healthy persons and persons with intellectual disabilities               
    OKUZUMI Hideyuki; IKEDA Yoshifumi; HIRATA Shogo; MAEDA Wataru; KOKUBUN Mitsuru; HAISHI Koichi
    Equilibrium Research, Volume:71, Number:3, First page:170, Last page:175, Jun. 2012, [Reviewed]
    This study was conducted to investigate the characteristics of the functional reach test (FRT) in persons with intellectual disabilities (ID). The subjects were 41 persons with ID (male, 26; female, 15) and 44 healthy persons (controls). The subjects with ID were classified into two groups according to their intelligence quotient (IQ): the high-IQ and low-IQ groups. FRT was measured in the original (no target) condition and target condition. In the target condition, a white wall (target) was set in front of the subject. The FRT scores of the original condition and target condition and the difference between these FRT scores (FRT difference) were calculated. In the original condition, the FRT score of the controls was higher than those of the two groups with ID, in which no further comparison was significant. In the target condition, the FRT score of the controls was higher than those of the two groups with ID; the score of the high-IQ group was higher than that of the low-IQ group. The FRT difference of the high-IQ group was higher than that of the low-IQ group, which in turn was higher than that of the controls. These results suggested that persons with ID demonstrate a lower FRT score than healthy persons although the score can be increased greatly by the target, especially for persons with mild or moderate ID.
    Japan Society for Equilibrium Research, Japanese, Scientific journal
    DOI ID:10.3757/jser.71.170, ISSN:0385-5716, J-Global ID:201302270986311698, CiNii Articles ID:10030781823
  • Effects of age, intelligence and executive control function on saccadic reaction time in persons with intellectual disabilities               
    Koichi Haishi; Hideyuki Okuzumi; Mitsuru Kokubun
    RESEARCH IN DEVELOPMENTAL DISABILITIES, Volume:32, Number:6, First page:2644, Last page:2650, Nov. 2011, [Reviewed]
    English, Scientific journal
    DOI:https://doi.org/10.1016/j.ridd.2011.06.009
    DOI ID:10.1016/j.ridd.2011.06.009, ISSN:0891-4222, Web of Science ID:WOS:000296304000071
  • Age-related trends of interference control in school-age children and young adults in the Stroop color-word test.               
    Ikeda Y; Okuzumi H; Kokubun M; Haishi K
    Psychological Reports, Volume:108, First page:577, Last page:584, Apr. 2011, [Reviewed]
    2, English, Scientific journal
    DOI:https://doi.org/10.2466/04.10.22.PR0.108.2.577-584
    DOI ID:10.2466/04.10.22.PR0.108.2.577-584, ISSN:0033-2941, PubMed ID:21675571
  • Verbal regulation of grip force in preschoolers               
    Koichi Haishi; Hideyuki Okuzumi; Mitsuru Kokubun; Ayumi Komatsu; Yoshio Kitajima; Tomio Hosobuchi
    Perceptual and Motor Skills, Volume:108, Number:2, First page:540, Last page:548, 2009, [Reviewed]
    English, Scientific journal
    DOI:https://doi.org/10.2466/PMS.108.2.540-548
    DOI ID:10.2466/PMS.108.2.540-548, ISSN:0031-5125, SCOPUS ID:67649836977
  • Development of carefulness and quickness observed for a tray-carrying task               
    M Kokubun; K Ozawa; H Okuzumi; T Koike; K Haishi; Y Kitajima; T Hosobuchi
    PERCEPTUAL AND MOTOR SKILLS, Volume:97, Number:1, First page:230, Last page:234, Aug. 2003, [Reviewed]
    English, Scientific journal
    ISSN:0031-5125, Web of Science ID:WOS:000185607000028
  • Interpersonal and intrapersonal variance of exponent of power function observed in grip strength task               
    M Kokubun; H Okuzumi; T Koike; K Haishi; H Suzuki
    PERCEPTUAL AND MOTOR SKILLS, Volume:93, Number:1, First page:192, Last page:196, Aug. 2001, [Reviewed]
    English, Scientific journal
    ISSN:0031-5125, Web of Science ID:WOS:000171669800033
  • Comparison of postural control of children with down syndrome and those with other forms of mental retardation               
    M Kokubun; T Shinmyo; M Ogita; K Morita; M Furuta; K Haishi; H Okuzumi; T Koike
    PERCEPTUAL AND MOTOR SKILLS, Volume:84, Number:2, First page:499, Last page:504, Apr. 1997, [Reviewed]
    English, Scientific journal
    ISSN:0031-5125, Web of Science ID:WOS:A1997WR76600022
  • Predictive value of age of walking for later motor performance in children with mental retardation               
    M Kokubun; K Haishi; H Okuzumi; T Hosobuchi; T Koike
    JOURNAL OF INTELLECTUAL DISABILITY RESEARCH, Volume:40, First page:529, Last page:534, Dec. 1996, [Reviewed]
    English, Scientific journal
    ISSN:0964-2633, Web of Science ID:WOS:A1996VZ49700005
  • FACTORS AFFECTING AGE OF WALKING BY CHILDREN WITH MENTAL-RETARDATION               
    M KOKUBUN; K HAISHI; H OKUZUMI; T HOSOBUCHI
    PERCEPTUAL AND MOTOR SKILLS, Volume:80, Number:2, First page:547, Last page:552, Apr. 1995, [Reviewed]
    English, Scientific journal
    ISSN:0031-5125, Web of Science ID:WOS:A1995RC31500037
■ MISC
  • 臨床実習の履修に伴う特別支援教育に関する専門性の向上—履修者による自己省察内容の分析より               
    大庭 重治; 八島 猛; 池田 吉史; 葉石 光一
    Volume:64, First page:314, 2022
    Japanese
    DOI:https://doi.org/10.20587/pamjaep.64.0_314
    DOI ID:10.20587/pamjaep.64.0_314, ISSN:2189-5538, eISSN:2424-1571
  • LD及び知的障害における心理学的特性と教育支援―ワーキングメモリに焦点を当てて―               
    大井雄平; 葉石光一
    First page:22, Last page:27, Feb. 2017
    Japanese, Meeting report
  • Task performance support for people with intellectual disabilities based on executive functions               
    Shigeji Oba; Yoshifumi Ikeda; Koichi Haishi
    INTERNATIONAL JOURNAL OF PSYCHOLOGY, Volume:51, First page:419, Last page:419, Jul. 2016
    English, Summary international conference
    ISSN:0020-7594, eISSN:1464-066X, Web of Science ID:WOS:000413720403238
  • Sustained attention and inhibitory control in persons with intellectual disabilities               
    Koichi Haishi; Yoshifumi Ikeda; Shigeji Oba; Hideyuki Okuzumi
    INTERNATIONAL JOURNAL OF PSYCHOLOGY, Volume:51, First page:414, Last page:414, Jul. 2016
    English, Summary international conference
    ISSN:0020-7594, eISSN:1464-066X, Web of Science ID:WOS:000413720403207
  • 知的障害児・者における視空間性ワーキングメモリのアセスメント・評価               
    大井雄平; 葉石光一
    First page:5, Last page:12, Feb. 2016
    Japanese, Meeting report
  • 自主シンポジウム54:知的障害者の行為の実行制御へのアプローチ               
    葉石光一; 八島 猛; 池田吉史; 大庭重治; 惠羅修吉
    Volume:53, Number:5, First page:414, Last page:415, Feb. 2016
    Japanese, Summary national conference
  • 知的障害者の衝動性眼球運動反応時間に対する指差しの効果               
    葉石光一; 奥住秀之; 勝二博亮; 岡崎慎治; 大庭重治; 國分 充
    Volume:63, First page:85, Last page:92, Feb. 2014
  • 知的障害児における抑制機能の実態と支援               
    池田吉史; 奥住秀之; 葉石光一
    First page:9, Last page:16, 2013, [Reviewed]
  • 知的障害者における反応時間の変動性について               
    葉石光一; 八島 猛; 大庭重治; 奥住秀之; 國分 充
    Volume:18, First page:23, Last page:27, Mar. 2012
  • 知的障害者の衝動性眼球運動反応時間の年齢変化               
    葉石光一; 奥住秀之; 國分 充
    Volume:31, First page:181, Last page:188, Feb. 2012
  • M-ABCチェックリストによる知的障害児・者の行動特性の評価               
    平田正吾; 奥住秀之; 葉石光一; 北島善夫; 細渕富夫; 国分 充
    Volume:23, First page:107, Last page:115, Mar. 2011
  • 発達障害と不器用(2)(自主シンポジウム56,日本特殊教育学会第48回大会シンポジウム報告)               
    国分 充; 奥住 秀之; 増田 貴人; 平田 正吾; 葉石 光一; 渋谷 郁子
    Volume:48, Number:5, First page:474, Last page:475, 31 Jan. 2011
    Japanese
    ISSN:0387-3374, CiNii Articles ID:110008661685, CiNii Books ID:AN00172513
  • 知的障害児・者における実行機能の問題とその関連要因               
    葉石光一; 八島猛; 大庭重治; 奥住秀之; 國分 充
    Volume:32, First page:155, Last page:162, Dec. 2010
  • 知的障害者の衝動性眼球運動の反応潜時に対する知的機能及び行動調整能力の影響               
    葉石光一; 奥住秀之; 国分 充
    Volume:29, First page:169, Last page:176, Feb. 2010
  • 発達障害と不器用(自主シンポジウム39,日本特殊教育学会第47回大会シンポジウム報告)               
    国分 充; 奥住 秀之; 渋谷 郁子; 平田 正吾; 葉石 光一
    Volume:47, Number:5, First page:386, Last page:387, 31 Jan. 2010
    Japanese
    ISSN:0387-3374, CiNii Articles ID:110007619363, CiNii Books ID:AN00172513
  • 知的障害者の運動能力モデルとそれに関連する属性変数               
    奥住秀之; 國分充; 平田正吾; 葉石光一; 田中敦士; 北島善夫
    Volume:7, First page:47, Last page:53, Jun. 2009
  • Factors of one-leg balancing and beam-walking in persons with intellectual disabilities               
    OKUZUMI Hideyuki; KOKUBUN Mitsuru; HIRATA Shogo; TANAKA Atsushi; HAISHI Koichi; KITAJIMA Yoshio
    Equilibrium Research, Volume:68, Number:2, First page:62, Last page:67, 01 Apr. 2009
    This study was conducted to investigate the factors of one foot balancing and beam-walking in persons with intellectual disabilities (ID). There were 181 subjects with ID (male, 126; female, 55; 14 persons with autism; 22 with Down's Syndrome (DS)). One foot balancing was measured with eyes open and with eyes closed. In the beam-walking test, the subjects were asked to walk on five types of beam 3 meters in length. A stepwise multiple regression analysis was used to analyze the results. The dependent variables were the one foot balancing score (sec) with eyes open and with eyes closed and the beam-walking score (from 0 to 5), and the independents were sex, age, height (cm), weight (kg), IQ, presence/absence of autism, and presence/absence of DS. The results were as follows: (1) The one foot balancing with eyes open only related to IQ. Persons with a higher IQ showed a higher score in all the three balance tests than those with a lower IQ. The one foot balancing with eyes closed correlated with IQ and presence/absence of autism. Autistic subjects stood longer than persons with other IDs. The beam walking correlated with IQ, presence/absence of autism, and presence/absence of DS. Autistic subjects attained a higher score than subjects with other IDs, and DS subjects had lower scores. These characteristics of balance in subjects with ID are discussed in terms of executive function, motor dysfunction, and compensatory strategies.
    Japan Society for Equilibrium Research, Japanese
    DOI:https://doi.org/10.3757/jser.68.62
    DOI ID:10.3757/jser.68.62, ISSN:1882-577X, J-Global ID:200902261383435170, CiNii Articles ID:10026088014
  • 知的障害児・者の運動機能の評価に関する文献研究               
    葉石光一; 奥住秀之; 平田正吾; 國分充; 田中敦士
    Volume:15, First page:5, Last page:10, Mar. 2009
  • 知的障害児・者の手指運動への発達的アプローチ(自主シンポジウム48,日本特殊教育学会第46回大会シンポジウム報告)               
    国分 充; 奥住 秀之; 田中 敦史; 葉石 光一; 平田 正吾
    Volume:46, Number:5, First page:381, Last page:382, 30 Jan. 2009
    Japanese
    ISSN:0387-3374, CiNii Articles ID:110007329271
  • 健常幼児および脳性まひ児における握力調整の特徴               
    葉石光一; 奥住秀之; 國分 充; 小松 歩; 北島善夫; 細渕富夫
    Volume:30, First page:105, Last page:115, Sep. 2008
  • 知的障害者の歩行速度に関わる要因の検討               
    奥住秀之; 國分 充; 平田正吾; 田中敦士; 葉石光一; 牛山道雄; 橋本真規; 北島善夫
    Volume:67, First page:200, Last page:204, Jun. 2008
  • 知的障害者の運動行為の諸問題(自主シンポジウム33,日本特殊教育学会第45回大会シンポジウム報告)               
    國分 充; 奥住 秀之; 田中 敦士; 牛山 道雄; 平田 正吾; 葉石 光一
    Volume:45, Number:5, First page:331, Last page:332, 31 Jan. 2008
    Japanese
    ISSN:0387-3374, CiNii Articles ID:110007329121, CiNii Books ID:AN00172513
  • 就学前幼児における言語の握力調整               
    葉石光一; 葭岡晃世; 小間剣; 小松歩; 細渕富夫; 奥住秀之; 国分充
    Volume:26, Number:3, First page:47, Last page:52, 2004
  • Characteristcs of Visual Exploration in Persons with Intellectual Disabilities               
    Koichi Haishi; Hideyuki Okuzumi; Mitsuru Kokubun
    16th Asian Conference on Mental Retardation, First page:741, Last page:744, Aug. 2003
  • 知的障害者の衝動性眼球運動の反応潜時に対する知的機能及び行動調整能力の影響               
    葉石光一; 奥住秀之; 国分 充
    Volume:29, First page:169, Last page:176, Feb. 2002
  • 知的障害者の視覚探索における前注意過程と言語過程との関連               
    Volume:24巻,1号,95-97, 2002
  • 7つの課題からみた知的障害者の身体運動能力               
    奥住秀之; 牛山道雄; 葉石光一; 田中敦士
    Volume:108, Number:2, First page:91, Last page:99, 2001
  • External support for control of eye movements in persons with mental retardation               
    葉石 光一; 奥住 秀之; 国分 充
    Academic bulletin of Nagano University, Volume:22巻,3号,51-56, Number:3, First page:265, Last page:270, 2000
    Japanese
    ISSN:0287-5438, CiNii Articles ID:40004066364, CiNii Books ID:AN00179217
  • 知的障害者の歩行速度               
    奥住秀之; 葉石光一; 牛山道雄; 田中敦士
    2000
  • 知的障害者の歩行における行動調整能力の影響               
    奥住秀之; 田中敦士; 葉石光一; 牛山道雄
    1999
  • Development of psychological aspect in pursuit eye movements among preschoolers               
    K Haishi; M Kokubun
    PERCEPTUAL AND MOTOR SKILLS, Volume:86, Number:1, First page:146, Last page:146, Feb. 1998
    English
    ISSN:0031-5125, Web of Science ID:WOS:000072485600023
  • 知的発達障害者における立位姿勢時の身体動揺量の基礎的特徴               
    奥住秀之; 葉石光一; 田中敦士; 佐藤竜二; 牛山道雄
    1998
  • 一重度障害幼児のものへの定位と到達・把握行動の指導について-重度・重複障害児に対する教育課程編成への示唆-               
    葉石光一
    Volume:9巻,1-10, First page:1, Last page:10, 1997
    CiNii Articles ID:10010514569
  • Quantitative evaluation of pursuit eye movements with frequency analysis               
    K. Haishi; H. Okuzumi; M. Kokubun
    Equilibrium Research, Volume:56, Number:1, First page:34, Last page:38, 1997
    Japan Society for Equilibrium Research, Japanese
    DOI:https://doi.org/10.3757/jser.56.34
    DOI ID:10.3757/jser.56.34, ISSN:0385-5716, SCOPUS ID:0030896627
  • Relationship between age and head movement during stepping in place in non-handicapped persons and persons with mental retardation               
    Okuzumi, H; Tanaka, A; Haishi, K
    Perceptual and Motor Skills, Volume:85, First page:375, Last page:381, Jan. 1997
  • The Role of Foveal and Peripheral Visual Fields in Body Sway Control               
    OKUZUMI Hideyuki; HAISHI Kouichi; TANAKA Atsushi; KOKUBUN Mitsuru
    Equilibrium Research, Volume:55, Number:5, First page:474, Last page:478, 01 Oct. 1996
    This study investigated the role of the foveal and peripheral visual fields in body sway control while standing upright. The subjects were 55 healthy adults. There were three visual conditions: presentation of a fixation point (foveal visual information) with cross-shaped vertical and horizontal lines stretching to the limits of the subject's viewing range (peripheral visual information), called the FP-condition; presentation of a fixation point only (F-condition); and the absence of visual information with the subject's eyes shut (N-condition). Three types (lateral, fore-aft, and total) of magnitude of body sway (MBS) were calculated.
    (1) For both total and fore-aft body sways, the MBS of the N-condition was significantly larger than those of other conditions. The MBS of the FP-condition was nearly equal to that of the F-condition.
    (2) For lateral body sway, the MBS of the N-condition was significantly larger than those of other conditions. The MBS of the F-condition was significantly larger than that of the FP-condition.
    Japan Society for Equilibrium Research, Japanese
    DOI:https://doi.org/10.3757/jser.55.474
    DOI ID:10.3757/jser.55.474, ISSN:0385-5716, CiNii Articles ID:10009416287, CiNii Books ID:AN00001485
  • Review of Studies on Visual Cognition in Persons with Mental Retardation               
    葉石 光一; 田中 敦士; 細淵 富夫
    Academic bulletin of Nagano University, Volume:18, Number:1, First page:102, Last page:108, Jun. 1996
    Japanese
    ISSN:0287-5438, CiNii Articles ID:40004066217, CiNii Books ID:AN00179217
  • 知的障害者の視運動性眼振における視標サイズ、視標速度と緩徐相速度との関連               
    Volume:18巻,2号,142-149, 1996
  • Developmental trends in pursuit eye movements among preschool children               
    K Haishi; M Kokubun
    PERCEPTUAL AND MOTOR SKILLS, Volume:81, Number:3, First page:1131, Last page:1137, Dec. 1995
    English
    ISSN:0031-5125, Web of Science ID:WOS:A1995TQ12000013
  • 弱視児の読みに対する教育的配慮-心理学的研究からの示唆-               
    葉石光一
    Volume:33巻,1号,15-21, Number:1, First page:15, Last page:21, 1995
    CiNii Articles ID:10004584790
  • Slow Phase Velocity of Optokinetic Nystagmus and Visual Field in Persons with Mental Retardation               
    HAISHI Kouichi; SATO Daisuke; OKUZUMI Hideyuki
    The annual reports of the Faculty of Education, Tohoku University, Volume:43巻,241-254, First page:241, Last page:254, 1995
    Tohoku University, English
    ISSN:0493-3958, CiNii Articles ID:110000282578, CiNii Books ID:AN00168061
  • 聴覚障害児・者のバランスの特徴-身体動揺と片足立ちからの検討-               
    奥住秀之; 葉石光一; 田中敦士; 永渕正昭
    1995
  • バランス運動と身体動揺による聴覚障害児・者の身体平衡機能の特徴               
    奥住秀之; 葉石光一; 田中敦士; 国分 充
    1995
  • Relation between Balance Performance and Behavior Regulation of Persons with Mental Retardation               
    KOKUBUN Mitsuru; HAISHI Kouichi; OKUZUMI Hideyuki
    The Japanese Journal of Special Education, Volume:31巻,4号,27-35, Number:4, First page:27, Last page:35, 1994
    The purpose of this study was to investigate the relation between balance performance and behavior regulation. Two types of balance performance were investigated: dynamic balance, which was evaluated by a beam-walking task, and static balance, which was measured by a one-foot balance task (eyes open). We evaluated behavior regulation by three motor impersistence tasks (Motor Impersistence Test, or MIT: Garfield, 1964). The relation between performance on the MIT and each balance task was examined in 129 persons with mental retardation. The poorer the behavior regulation performance was, the poorer was the static balance performance. The relation between performance on the behavior regulation test and dynamic balance was, however, not clear in comparison with the relation between the former and static balance. We also found that a physical setting that required people to figure out how to maintain their posture using external cues intuitively, worked effectively to improve the static balance of those persons with mental retardation who had showed a poorer level of behavior regulation. In that setting, we used a one-foot balance task with a platform (width 10cm, length 30cm, height 5cm) on which the subject could put only one supporting foot. Participants in this part of the study were 92 persons with mental retardation.
    The Japanese Association of Special Education, Japanese
    DOI:https://doi.org/10.6033/tokkyou.31.27_2
    DOI ID:10.6033/tokkyou.31.27_2, ISSN:0387-3374, CiNii Articles ID:110006784855, CiNii Books ID:AN00172513
  • A Study on Memory, Vision and Motor Function in a Male with Wernicke's Encephalopathy               
    Noguchi Kazuhito; Haishi Koichi; Okuzumi Hideyuki; Sato Daisuke; Tanaka Atsushi
    Bulletin of Miyagi University of Education. Part 2, Natural sciences and education, Number:29, First page:p183, Last page:195, 1994
    Japanese
    ISSN:0289-4424, CiNii Articles ID:110000504775, CiNii Books ID:AN10066115
  • 幼児期の身体動揺に視覚が及ぼす影響の動揺方向による差異               
    国分 充; 葉石光一; 奥住秀之
    1994
  • 視運動性眼振の発達的変化に関する生理心理学的研究               
    Volume:15巻,2号,58-62, 1993
  • 身体動揺の大きさと方向性の発達的変化.               
    奥住秀之; 葉石光一; 国分 充
    1993
  • 身体動揺の発達的変化に関する一考察.               
    国分 充; 葉石光一; 奥住秀之
    1993
  • 精神遅滞者の眼球運動機能の障害について-視運動性眼振の分析を通して-               
    Volume:17巻,1・2合併号,17-29, 1992
  • 精神遅滞児・者の身体重心動揺に関する文献的研究.               
    奥住秀之; 葉石光一; 国分 充
    1992
  • 精神遅滞児・者のバランスの問題に関する文献検討.               
    国分 充; 葉石光一; 奥住秀之
    1992
■ Books and other publications
  • 特別支援教育の探究               
    大庭, 重治, [Contributor]
    Aug. 2022
    Japanese, Total pages:vii, 242p
    CiNii Books:http://ci.nii.ac.jp/ncid/BC16314425
    ISBN:9784623094318, CiNii Books ID:BC16314425
  • 知的障害・発達障害における「行為」の心理学:ソヴィエト心理学の視座と特別支援教育               
    [Contributor]
    Nov. 2020
    ISBN:9784571121425
■ Affiliated academic society
  • Apr. 2021 - Present, American Association on Intellectuall and Developmental Disabilities
  • Nov. 2009 - Present, American Psychological Association
  • Apr. 1993 - Present
  • Apr. 1991 - Present
  • Apr. 1991 - Present
■ Research projects
  • 知的障害者の実行機能の発達機序の解明               
    Apr. 2025 - Mar. 2028
    Grant amount(Total):4290000, Direct funding:3300000, Indirect funding:990000
    Grant number:25K06445
  • Effects of joint action on task performance in persons with intellectual and developmental disabilities               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Apr. 2021 - Mar. 2024
    Saitama University
    Grant amount(Total):14170000, Direct funding:10900000, Indirect funding:3270000
    Grant number:21H00886
  • 健康管理に特別な配慮を必要とする子どもの教育的支援に関する地域連携モデルの構築               
    Apr. 2020 - Mar. 2023
    Grant amount(Total):12870000, Direct funding:9900000, Indirect funding:2970000
    Grant number:20H01706
  • Motor function, social cognition and executive control in persons with intellectual and developmental disabilities               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Apr. 2017 - Mar. 2021
    Haishi Koichi, Saitama University
    Grant amount(Total):18200000, Direct funding:14000000, Indirect funding:4200000
    An individual's performance level can be improved when working in the presence of others. This effect is called as social facilitation effect. We examined the social facilitation effect on the performance of manual task in persons with intellectual disabilities. The results were as follows. 1) The presence of co-actor who conducted the same task next to the participants improved the performance level of the persons with intellectual disabilities. 2) The presence of audience who observed the work did not have facilitation effects on the performance of persons with intellectual disabilities. 3) The presence of co-actor who conducted the different task did not improve the performance level of the persons with intellectual disabilities. The results suggest that the presence of others who provided the representations of the task execution is important in promoting the performance level for the persons with intellectual disabilities.
    Grant number:17H02714
  • Elucidation of Executive Function in Individuals with Intellectual Disabilities               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Young Scientists (B), Apr. 2016 - Mar. 2019
    Ikeda Yoshifumi; OKUZUMI Hideyuki; KOKUBUN Mitsuru; HAISHI Koichi; OBA Shigeji; YASHIMA Takeshi, Joetsu University of Education
    Grant amount(Total):2210000, Direct funding:1700000, Indirect funding:510000
    This study aimed to elucidate features of inhibitory control, one key aspect of executive functions , in people with intellectual disabilities. Specifically, this study investigated how interference occurs in inhibition tasks, how interference is controlled, and how inhibitory control relates to adaptive behaviors. The results suggested the followings: task conflict causes significant interference; interference occurs largely in the condition which requires proactive control; and weak proactive control is related to maladaptive behaviors.
    Grant number:16K21049
  • Optimization of motor function in persons with intellectual disabilities               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Apr. 2013 - Mar. 2017
    HAISHI Koichi, Saitama University
    Grant amount(Total):18200000, Direct funding:14000000, Indirect funding:4200000
    Low functioning and large variability are motor problems in motor skills in persons with intellectual disabilities. However, little attention has been given to the characteristics of large variability of motor function in persons with intellectual disabilities. The purpose of the current study were to clarify the properties of large variability of motor function and the condition to optimize the motor performance in persons with intellectual disabilities. The results were as follows. 1) Persons with intellectual disabilities whose variability in motor function is large showed lower attainment level in motor task. 2) Task clarification decreased the variability of motor function in persons with intellectual disabilities. 3) In the early stage of the intervention to improve performance of motor task, it is more important to stabilize the functioning level of motor skills .
    Grant number:25285259
  • Development of Learning Support Methods of Letters using Small Groups in the Lower Grades of Elementary School               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), 2011 - 2013
    OHBA SHIGEJI; HAISHI Koichi; YASHIMA Takeshi; ERA Shukichi; ISHIDA Yusuke; KANNO Izumi; TAGAMI Tomoaki; HASEGAWA Katsura; HIGUMA Kazuo; YAMAMOTO Shiori, Joetsu University of Education
    Grant amount(Total):4420000, Direct funding:3400000, Indirect funding:1020000
    For the purpose of the development of learning support methods of letters using small groups in lower grades of elementary school, the review of the studies on the development of learning letters and the support methods, the clinical consideration about the effective support methods, examination of the learning program of the support method for graduate students were performed. From the results, when we carry out learning support for children, understanding of children in a human society framework, systematic practical use of a small learning group and clear supporter's division of roles were considered to be required. About the graduate student's learning program, the necessity of self-study opportunity according to specialty level was pointed out.
    Grant number:23531172
  • Ecological analyses of motor function in persons with intellectual disabilities : A multi-method approach               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), 2009 - 2012
    HAISHI Koichi, Joetsu University of Education
    Grant amount(Total):2990000, Direct funding:2300000, Indirect funding:690000
    Multifaceted analyses were conducted to clarify the properties of motor function in persons with intellectual disabilities. The results were as follows.1) The efficiency of motor function was influenced by the stability. 2) The stabilization of motor function may improve its efficiency.
    Grant number:21531014
  • 眼球運動課題を用いた知的障害児における合目的的運動行為の形成条件の解析               
    2000 - 2001
    Grant amount(Total):2000000, Direct funding:2000000
    Grant number:12710080
  • Sensory and verbal regulation of cognitive processes in children with intellectual disabilities               
    Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), 1999 - 2001
    SUZUKI Hiroya; HAISHI Kouichl; KOKUBUN Mitsuru; OTSUKA Akitoshi; OKUZUMI Hideyuki, Nagano University
    Grant amount(Total):13700000, Direct funding:13700000
    We investigated the characteristics of verbal and sensory regulation in cognitive processes of persons with intellectual disabilities by the tasks of eye movements, visual search and grip strength. Outlines of each task were as follows. 1) Eye movement task : Subjects were told to keep their eyes on the target, which moves on horizontal plane at fixed frequency, and follow it as best they could. 2) Visual search task : Subjects searched the target among distractors as soon as possible. 3) Grip strength task : Subjects were told to regulate their grip strength in obedience to verbal instructions. In eye movement task and grip strength task, subjects had to regulate their own movements by verbal instructions. These were tasks that were mainly needed verbal regulation. In visual search task, the target stood out from distractors by pop-out phenomenon, and subjects could find out the target easily. Subjects could process this task instinctively. Through tasks mentioned above there was not severe disturbance in both of verbal and sensory regulations of cognitive processes in the subjects with moderate intellectual disabilities. On the other hand results of the subjects with severe intellectual disabilities showed that they would have difficulties in both of verbal and sensory regulations of cognitive processes. These results may indicate that it would be difficult to use sensory information, which was given externally, to regulate actions for persons with severe intellectual disabilities.
    Grant number:11410037
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