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2008 Fiscal Year Final Research Report

A combined analysis between an oscillation network model and human experiment

Research Project

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Project/Area Number 19700283
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Bioinformatics/Life informatics
Research InstitutionThe Institute of Physical and Chemical Research

Principal Investigator

SATO Naoyuki  The Institute of Physical and Chemical Research, 創発知能ダイナミクス研究チーム, 研究員 (70312668)

Project Period (FY) 2007 – 2008
Keywords海馬 / 記憶想起 / 階層的ネットワーク / 物-場所連合記憶 / 脳波 / 眼球運動
Research Abstract

人の海馬の記憶ダイナミクスを明らかにする目的で、計算論モデルと人被験者実験データを複合的に用いる研究手法を開発した。計測データをモデルの入力として与え模擬的な記憶を構成し、人の記憶ダイナミクスを明らかにする。結果として、脳波シータパワ増大時の視覚時系列を計算論モデルで解析すれば人の記憶成績が予測できることがわかった。ラットと同様、人でもシータ波を介した記憶貯蔵ダイナミクスの存在が示唆される。

  • Research Products

    (11 results)

All 2009 2008 2007 Other

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (7 results) Remarks (1 results)

  • [Journal Article] Theta phase coding in human hippocampus : A combined approach of a computational model and human brain activity analyses2009

    • Author(s)
      Naoyuki Sato, Yoko Yamaguchi
    • Journal Title

      Lecture Notes in Computer Science (LNCS) vol.5286

      Pages: 13-27

    • Peer Reviewed
  • [Journal Article] Computational model-based prediction of human episodic memory from eye movement2008

    • Author(s)
      Naoyuki Sato, Yoko Yamaguchi
    • Journal Title

      IEICE Transactions on Communications E91-B(7)

      Pages: 2142-2143

    • Peer Reviewed
  • [Journal Article] 物-場所連合記憶における海馬の神経ダイナミクス : 理論-実験の統合アプローチ2007

    • Author(s)
      佐藤直行, 山口陽子
    • Journal Title

      信学技報 NC2007-54

      Pages: 111-114

    • Peer Reviewed
  • [Presentation] Relationship between an input sequence and asymmetric connections formed by theta phase precession and STDP2008

    • Author(s)
      Naoyuki Sato, Yoko Yamaguchi
    • Organizer
      International Conference on Neural Information Processing (ICONIP)
    • Place of Presentation
      オークランド(ニュージーランド)
    • Year and Date
      20081100
  • [Presentation] An episodic memory encoding pathway emerges with subsequent memory dependent EEG theta synchronization2008

    • Author(s)
      Naoyuki Sato, Takashi Ozaki, Yoshiaki Someya, Kimitaka Anami, Seiji Ogawa, Hiroaki Mizuhara, Yoko Yamaguchi
    • Organizer
      第31回日本神経科学会大会
    • Place of Presentation
      東京
    • Year and Date
      20081000
  • [Presentation] A cortico-hippocampal network emerging with subsequent memory dependent theta oscillation2008

    • Author(s)
      Naoyuki Sato, Takashi Ozaki, Yoshiaki Someya, Kimitaka Anami, Seiji Ogawa, Hiroaki Mizuhara, Yoko Yamaguchi
    • Organizer
      Human Brain Mapping
    • Place of Presentation
      メルボルン(オーストラリア)
    • Year and Date
      20080600
  • [Presentation] Neural dynamics in human hippocampus2007

    • Author(s)
      Naoyuki Sato, Yoko Yamaguchi
    • Organizer
      International School on Neural Nets "E.R. Caianiello" 12th Cours
    • Place of Presentation
      エリーチェ(イタリア)
    • Year and Date
      20071200
  • [Presentation] EEG theta regulates eye saccade generation during human object-place memory encoding2007

    • Author(s)
      Naoyuki Sato, Yoko Yamaguchi
    • Organizer
      ICCN07 & SICPB 07
    • Place of Presentation
      上海(中国)
    • Year and Date
      20071100
  • [Presentation] 物-場所連合記憶における海馬の神経ダイナミクス : 理論-実験の統合アプローチ2007

    • Author(s)
      佐藤直行
    • Organizer
      ニューロコンピューティング(NC)研究会
    • Place of Presentation
      仙台
    • Year and Date
      20071000
  • [Presentation] Memory recall of object-place associations in a hierarchical network self-organized by theta phase coding2007

    • Author(s)
      Naoyuki Sato, Yoko Yamaguchi
    • Organizer
      第30回日本神経科学会大会
    • Place of Presentation
      横浜
    • Year and Date
      20070900
  • [Remarks]

    • URL

      http://www.dei.brain.riken.jp/~satonao/

URL: 

Published: 2010-06-10   Modified: 2016-04-21  

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