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2018 Fiscal Year Final Research Report

Cognitive mechanisms for the duration, synchronization, and clock in the mind

Planned Research

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Project AreaThe Science of Mental Time: investigation into the past, present, and future
Project/Area Number 25119003
Research Category

Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

Allocation TypeSingle-year Grants
Review Section Complex systems
Research InstitutionThe University of Tokyo

Principal Investigator

Murakami Ikuya  東京大学, 大学院人文社会系研究科(文学部), 教授 (60396166)

Co-Investigator(Kenkyū-buntansha) 四本 裕子  東京大学, 大学院総合文化研究科, 准教授 (80580927)
Research Collaborator ISHIBASHI kazuya  
OSUGI takayuki  
TERAO masahiko  
HAYASHI daisuke  
Project Period (FY) 2013-06-28 – 2018-03-31
Keywords実験心理学 / 認知科学 / 認知神経科学 / 時間知覚 / 時間長 / 錯覚
Outline of Final Research Achievements

Psychophysics and functional neuroscience revealed that the cortical mechanisms involved in subjective durations and timings in the timescale of specious present make specific hierarchical interactions with processes for visual motion, position perception, attention, and multimodal integration. Neural representations related to mental time were suggested to hold modality-specific synchronization frequencies, and optimal estimations were found to be the case especially when perceptual decision relies more on prior probabilities to compensate for poor sensory evidence.

Free Research Field

実験心理学

Academic Significance and Societal Importance of the Research Achievements

純粋な時間なるものを感覚受容できないのに、現在の時間の流れを追える感じがする、その感じを生むために動作している神経システムの情報処理と、その結果の知覚の特性を、実証データに基づいて明らかにした。これは脳研究の最終フロンティアのひとつであるこころの時間学の一翼を担うとともに、日常生活やスポーツ活動または事故や事件に至るまで、時間関係の認知が重大となる社会的局面に対して、実験心理学の見地から提言を与える。

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Published: 2020-03-30  

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