知覚情報処理と情報統合における神経同期の役割の検証

• Project/Area Number: 23K22372
• Project/Area Number (Other): 22H01101 (2022-2023)
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Multi-year Fund (2024); Single-year Grants (2022-2023)
• Section: 一般
• Review Section: Basic Section 10040:Experimental psychology-related
• Research Institution: The University of Tokyo
• Principal Investigator: 四本 裕子 東京大学, 大学院総合文化研究科, 教授 (80580927)
• Project Period (FY): 2022-04-01 – 2025-03-31
• Project Status: Granted (Fiscal Year 2024)
• Budget Amount: ¥17,290,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥3,990,000); Fiscal Year 2024: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000); Fiscal Year 2023: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000); Fiscal Year 2022: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
• Keywords: 神経同期 / 脳波 / 感覚知覚 / 視覚 / 暗黙的知覚 / 聴覚 / 触覚 / 周波数 / 時間 / 情報統合 / ベイズ統計理論 / 脳機能

Outline of Research at the Start

知覚情報統合における神経同期の機能を説明するモデルを構築する。各個人の平常時の神経同期周波数や位相のばらつきが事前確率と関係しており、注意・認知負荷や周波数引き込みによる神経同期の変動が尤度と関係すると仮定し、知覚課題成績として測定される事後確率との関係を表現できる。事前確率に関係する要素、注意・認知負荷に関係する比較的持続的な変動の要素、周波数引き込みによる動的で周期的な変動の要素、それらの相互作用の情報に基づき、ベイズ的情報統合モデルを作成する。

Outline of Annual Research Achievements

知覚情報処理に関する大脳皮質の神経同期の機能を明らかにすることを目指して研究を遂行した。特に、神経同期の比較的持続的な機能と動的で周期的な変動の機能の２つの側面に着目し、低次から高次の脳領域へと知覚情報処理が進む流れの中で、各脳領域の神経同期の周波数や位相がいかに関わるかを心理物理測定や脳波測定を用いて検証した。

無意識的な時間知覚に関して、従来のモデルで使われてきた線形モデルが不適切であることを示し、新たな非線形モデルを提案した。また、高齢者と青年成人の知覚情報処理の違いに着目し、その差をベイズモデルの枠組みで説明することに成功した。脳波を用いて神経同期を計測した実験では、刺激の明滅により神経の同期的活動が刺激の時間周波数に引き込まれることや、神経引込みが知覚のノイズを減らすことを明らかにした。さらに、最尤推定を用いて、時間情報と数情報の統合における重み付けが情報の信頼度に依存して変化することを明らかにした。さらに、触覚刺激を時間変調させるデバイスを研究室内で制作し、指先にさまざまな周波数で刺激をあたえ、その知覚を触覚と視覚で比較する実験を進めている。また、刺激を繰り返し知覚することにより、ベイズ統計の枠組みにおける事前分布がどのように変容するかを検証する実験や、加齢が情報の抑制や統合に及ぼす効果を検証する実験を進めている。これらの研究を国内会議や国際会議で発表し、査読付き国際学術誌に掲載した。

Current Status of Research Progress

1: Research has progressed more than it was originally planned.

Reason

査読あり国際誌に５報の論文を発表し、他にも複数の論文が査読中である。研究成果を確実に発表できている。

Strategy for Future Research Activity

これまでは視覚や聴覚に関する神経機序を中心に研究を進めてきたが、そこで得られた知見を利用して触覚も研究対象として展開する。そして、感覚モダリティ間の比較や相互作用を検証する。

Research Products

• [Int'l Joint Research] University of Padova(イタリア)
• [Int'l Joint Research] University of Quilmes(アルゼンチン)
• [Int'l Joint Research] CNRS(フランス)
• [Journal Article] On the nonlinearity of the foreperiod effect (2024)
  • Author(s): Houshmand Chatroudi Amirmahmoud、Mioni Giovanna、Yotsumoto Yuko
  • Journal Title: Scientific Reports Volume: 14 Issue: 1 Pages: 2780-2780
  • DOI: 10.1038/s41598-024-53347-y
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] No evidence for the effect of entrainment's phase on duration reproduction and precision of regular intervals (2023)
  • Author(s): Houshmand Chatroudi Amirmahmoud、Yotsumoto Yuko
  • Journal Title: European Journal of Neuroscience Volume: 58 Issue: 4 Pages: 3037-3057
  • DOI: 10.1111/ejn.16071
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Longitudinal analysis of social isolation effects on finger tapping in the Blursday database (2023)
  • Author(s): Gallego Hiroyasu Elisa M.、Laje Rodrigo、Nomura Keishi、Spiousas Ignacio、Hayashi Masamichi J.、Yotsumoto Yuko
  • Journal Title: Scientific Reports Volume: 13 Issue: 1 Pages: 11277-11277
  • DOI: 10.1038/s41598-023-38488-w
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Near-optimal integration of the magnitude information of time and numerosity (2023)
  • Author(s): Otsuka Taku & Yotsumoto Yuko
  • Journal Title: Royal Society Open Science. Volume: 10 Issue: 8 Pages: 230153-230153
  • DOI: 10.1098/rsos.230153
  • Peer Reviewed / Open Access
• [Journal Article] Explicit Timing Differently Predicts Implicit Timing Performance in Younger and Older Adults (2023)
  • Author(s): Otsuka Taku, Yotsumoto Yuko, & Giovanna Mioni
  • Journal Title: Timing & Time Perception. 1. 1-19 Volume: 1 Pages: 1-19
  • DOI: 10.1163/22134468-bja10101
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] The Blursday database as a resource to study subjective temporalities during COVID-19 (2022)
  • Author(s): Chaumon, M., Rioux, P.A., Herbst, S., Spiousas, I., Kubel, S., Gallego Hiroyasu, E.M. et al.
  • Journal Title: Nature Human Behavior Volume: 6 Issue: 11 Pages: 1587-1599
  • DOI: 10.1038/s41562-022-01419-2
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Temporal perceptual learning distinguishes between empty and filled intervals (2022)
  • Author(s): Li Luhe、Yotsumoto Yuko、Hayashi Masamichi J.
  • Journal Title: Scientific Reports Volume: 12 Issue: 1 Pages: 9824-9824
  • DOI: 10.1038/s41598-022-13814-w
  • Peer Reviewed / Open Access
• [Journal Article] Effect of luminance signal and perceived speed on motion-related duration distortions (2022)
  • Author(s): Yoshimatsu Hiroshi、Murai Yuki、Yotsumoto Yuko
  • Journal Title: Vision Research Volume: 198 Pages: 108070-108070
  • DOI: 10.1016/j.visres.2022.108070
  • Peer Reviewed / Open Access
• [Presentation] Understanding How Flickers Distort Perception of Time: Role of Conscious Perception (2024)
  • Author(s): Houshmand Chatroudi, A., Giovanna, M., & Yotsumoto, Y.
  • Organizer: The Cognitive Science Arena. Brixen, Italy.
  • Int'l Joint Research
• [Presentation] Nonlinear Analysis of Foreperiod Data: Time Perception Applications (2023)
  • Author(s): Houshmand Chatroudi, A., Giovanna, M., & Yotsumoto, Y.
  • Organizer: The 2023 UTIDAHM Open Symposium
• [Presentation] Predicting Compulsivity From Learning Behavior With Deep Neural Network (2023)
  • Author(s): Chen, W., Zorowitz, S., Yotsumoto, Y., Keeley, S., Daw N.D., Cai M B.
  • Organizer: The 2023 UTIDAHM Open Symposium
• [Presentation] Relative Neural Representations of Time and Numerosity (2023)
  • Author(s): Kido, T., Yotsumoto, Y., & M, J. Hayashi
  • Organizer: The 2023 UTIDAHM Open Symposium
• [Presentation] Influence of external frame of reference on non-spatial tactile perception (2023)
  • Author(s): Tachibana, N., & Yotsumoto, Y.
  • Organizer: The 2023 UTIDAHM Open Symposium
• [Presentation] The Impact of Stimulus Duration Distributions on Perception: A Study via Bayesian Recency Model (2023)
  • Author(s): Hinohara, H., Otsuka, T., & Yotsumoto, Y.
  • Organizer: Psychonomic Society 64th Annual Meeting
• [Presentation] Aging and Timing: Examining the link between Explicit and Implicit Timing Across Age Groups (2023)
  • Author(s): Otsuka, T., Yotsumoto, Y., & Mioni,G.
  • Organizer: 3rd conference of Timing Research Forum
  • Int'l Joint Research
• [Presentation] Flicker-induced Time Dilation in the Absence of Conscious Timing: Insights from the Implicit Timing Paradigm (2023)
  • Author(s): Houshmand Chatroudi, A., & Yotsumoto, Y.
  • Organizer: 3rd conference of Timing Research Forum
  • Int'l Joint Research
• [Presentation] Relative Neural Representations of Time and Numerosity (2023)
  • Author(s): Kido, T., Yotsumoto, Y., & Hayashi, M. J.
  • Organizer: 3rd conference of Timing Research Forum
  • Int'l Joint Research
• [Presentation] The Nonlinearity Issue in Modeling Foreperiod Effect: Origins, Solution, Implications (2023)
  • Author(s): Yotsumoto, Y., HoushmandChatroudi, A., & Mioni, G.
  • Organizer: 3rd conference of Timing Research Forum
  • Int'l Joint Research
• [Presentation] Age-related changes in time perception: an examination of the relationship between duration perception and temporal prediction. (2023)
  • Author(s): Otsuka, T., Yotsumoto, Y., & Mioni, G.
  • Organizer: 3rd conference of Timing Research Forum
  • Int'l Joint Research
• [Presentation] Generalization and Discrimination in Reinforcement Learning: Developmental Trajectories and the Potential Link with Psychotic Symptoms. (2023)
  • Author(s): Chen W., Nakamura A., Ding J., Okada N., Koike S., Yagishita S., Kasai H., Yotsumoto Y., Cai M B.
  • Organizer: Cognitive Computational Neuroscience
  • Int'l Joint Research
• [Presentation] 時間知覚の加齢変化：時間長知覚と時間的予測の関係の検討 (2023)
  • Author(s): 大塚拓・四本裕子・Giovanna Mioni
  • Organizer: 日本視覚学会夏季大会
• [Presentation] 人間はAI生成絵画を見分け,評価できるか? (2023)
  • Author(s): 白澤幸樹・石津智大・四本裕子
  • Organizer: 日本視覚学会夏季大会
• [Presentation] 同じ視覚刺激に含まれる異なる次元のマグニチュード情報の統合 (2023)
  • Author(s): 大塚拓・四本裕子
  • Organizer: 日本視覚学会冬季大会
• [Presentation] 触覚刺激の時間変調が知覚時間に及ぼす効果の検討 (2022)
  • Author(s): 高山泰子・四本裕子
  • Organizer: 日本基礎心理学会第41回大会
• [Presentation] Effect of temporal modulation of tactile stimulus on time perception (2022)
  • Author(s): Takayama, Y. & Yotsumoto, Y.
  • Organizer: UTIDAHM 2022年度公開シンポジウム
• [Presentation] Investigation of the changes of psychological indexes associated with time compression effect in VR environment. (2022)
  • Author(s): Okumura T., & Yotsumoto, Y.
  • Organizer: UTIDAHM 2022年度公開シンポジウム
• [Presentation] 刺激呈示パターンに基づく予測が主観時間長に及ぼす影響 (2022)
  • Author(s): Harada T. & Yotsumoto Y.
  • Organizer: UTIDAHM 2022年度公開シンポジウム
• [Presentation] Non-spatial tactile perception: Is is affected by external frame of reference? (2022)
  • Author(s): Sugiyama, S., & Yotsumoto, Y.
  • Organizer: The Society for Neuroscience
  • Int'l Joint Research
• [Presentation] Scalable representations of numerical magnitude in human frontoparietal cortex (2022)
  • Author(s): Teruaki Kido, Yuko Yotsumoto, Masamichi J. Hayashi
  • Organizer: European Conference on Visual Perception
  • Int'l Joint Research
• [Presentation] Flicker-induced time dilation does not depend on the phase of visually-entrained alpha oscillations (2022)
  • Author(s): Amirmahmoud Houshmand Chatroudi & Yuko Yotsumoto
  • Organizer: European Conference on Visual Perception
  • Int'l Joint Research
• [Presentation] Magnitude integration of time and numerosity evaluated using Maximum Likelihood Estimation (MLE) model (2022)
  • Author(s): Otsuka, T., & Yotsumoto, Y.
  • Organizer: European Conference on Visual Perception
  • Int'l Joint Research