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2008 Fiscal Year Final Research Report

Multiunit data analysis of transient dynamics of population neural activity in different sleep stages

Research Project

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Project/Area Number 19700284
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

KANG Siu  The Institute of Physical and Chemical Research, 脳回路機能理論研究チーム, 研究員 (40415138)

Project Period (FY) 2007 – 2008
Keywords睡眠 / 記憶・学習 / UP-DOWN状態間遷移 / 大脳新皮質-海馬間相互作用 / 多細胞同時記録 / 神経回路モデル / スパイク統計 / 海馬鋭波リップル
Research Abstract

本研究課題の目的は、睡眠が脳にとっていわゆる休止状態ではなく、むしろ盛んに情報処理関連神経活動を示すアクティブな状態であることを明らかにすることである。具体的には、睡眠-覚醒を繰り返す無麻酔ラット大脳における多細胞同時記録と、神経回路網モデルによる計算機実験を組み合わせることによって、集団神経活動から睡眠相の動的変化を追跡し、大脳新皮質-海馬間相互作用を明らかにするとともに、記憶固定化と関連した脳内ダイナミクスとしての大脳新皮質自己組織化過程を明らかにした。

  • Research Products

    (4 results)

All 2008 2007

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

  • [Journal Article] Structure of spontaneous UP and DOWN transitions self-organizing in a cortical network model2008

    • Author(s)
      Siu Kang, Katsunori Kitano, Tomoki Fukai
    • Journal Title

      PLoS Computational Biology 4(3)

      Pages: e1000022

    • Peer Reviewed
  • [Presentation] Multi-neuronal dynamics in rat neocortex and hippocampus during natural sleep2008

    • Author(s)
      Siu Kang, Yoshikazu Isomura, Takashi Takekawa, Hideyuki Cateau, Tomoki Fukai
    • Organizer
      Neuroscience Research, Vol.61, S189-S189
    • Place of Presentation
      東京国際フォーラム
    • Year and Date
      20080709-11
  • [Presentation] Dynamics of cell assembly in rat neocortex and hippocampus during a natural sleep2007

    • Author(s)
      Siu Kang, Yoshikazu Isomura, Takashi Takekawa, Hideyuki Cateau, Tomoki Fukai
    • Organizer
      the 37th annual meeting of the Society for Neuroscience
    • Place of Presentation
      サンディエゴ
    • Year and Date
      20071103-07
  • [Presentation] Multi-neuronal dynamics in rat neocortex and hippocampus as a measure of natural sleep2007

    • Author(s)
      Siu Kang, Yoshikazu Isomura, Takashi Takekawa, Hideyuki Cateau, Tomoki Fukai
    • Organizer
      Neuroscience Research, Vol.58, S167-S167
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      20070910-12

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

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