2020 Fiscal Year Final Research Report

hierarchical structure building in drawing by humans, chimpanzees and monkeys

Research Project

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Project/Area Number	19K21824
Research Category	Grant-in-Aid for Challenging Research (Exploratory)
Allocation Type	Multi-year Fund
Review Section	Medium-sized Section 10:Psychology and related fields
Research Institution	National Rehabilitation Center for Persons with Disabilities
Principal Investigator	Makuuchi Michiru 国立障害者リハビリテーションセンター(研究所), 研究所脳機能系障害研究部, 研究室長 (70334232)
Co-Investigator(Kenkyū-buntansha)	齋藤亜矢京都芸術大学, 文明哲学研究所, 准教授 (10571432) 依光美幸東京都立駒込病院(臨床研究室), リハビリテーション科, 主事 (30836721) 酒井弘早稲田大学, 理工学術院, 教授 (50274030) 広瀬友紀東京大学, 大学院総合文化研究科, 教授 (50322095) 林美里京都大学, 霊長類研究所, 助教 (50444493) 香田啓貴京都大学, 霊長類研究所, 特定研究員 (70418763) 中谷健太郎甲南大学, 文学部, 教授 (80388751)
Project Period (FY)	2019-06-28 – 2021-03-31
Keywords	描画 / 模写 / なぞり描き / 幼児 / 脳損傷 / サル / チンパンジー / 眼球運動計測
Outline of Final Research Achievements	We constructed a data formatting procedure to analyze the order of drawing and the time information of brush strokes in human adults, and clustered the data. A hierarchy of drawing by parts was observed in most of the drawings. We also examined the drawing data of Thai-speaking adults and found that the drawing order and hierarchical structure were almost the same. In the case of brain-injured patients, we proposed a typology by classifying the characteristics of Rey's complex figures according to which part of the figure they started drawing. In chimpanzees, we attempted to record drawing behavior using a digital pen and special paper, and in one individual, we were able to obtain digital data of the stroke. The monkeys were able to learn 1/4 point and 3/4 point, but not the middle point.
Free Research Field	認知神経科学
Academic Significance and Societal Importance of the Research Achievements	階層構造はヒト言語の重要な特徴であり、数学・音楽・道具作成等のヒト特有とされる認知機能の中にも認められる。本研究はヒトが絵を描く時、意味のあるまとまりごとに描いていくと言う階層構造を持つことを示した。発達や脳損傷における描画の階層構造を検討し、知見を得た。チンパンジーやサルなどにおける描画能力の萌芽を調べ、ヒトとの比較が行えるよう試みた。