A combined analysis between an oscillation network model and human experiment

• Project/Area Number: 19700283
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Bioinformatics/Life informatics
• Research Institution: The 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
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,570,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥270,000); Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2007: ¥2,400,000 (Direct Cost: ¥2,400,000)
• 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 / 位相コード

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

• [Journal Article] Theta phase coding in human hippocampus : A combined approach of a computational model and human brain activity analyses (2009)
  • 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 movement (2008)
  • Author(s): Naoyuki Sato, Yoko Yamaguchi
  • Journal Title: IEICE Transactions on Communications E91-B(7) Pages: 2142-2143
  • Peer Reviewed
• [Journal Article] Theta phase coding in human hippocampus: A combined approach of a computational model and human brain activity analyses (2008)
  • Author(s): Naoyuki Sato
  • Journal Title: Lecture Notes in Computer Science 5286 Pages: 13-27
  • Peer Reviewed
• [Journal Article] Computational model-based prediction of human episodic memory from eye movement (2008)
  • Author(s): Naoyuki Sato, Yoko Yamaguchi
  • Journal Title: IEICE Transactions Communication 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
• [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 STDP (2008)
  • Author(s): Naoyuki Sato, Yoko Yamaguchi
  • Organizer: Intrnational Conference on Neural Information Processing (ICONIP) 2008
  • Place of Presentation: オークランド
  • Year and Date: 2008-11-26
• [Presentation] An episodic memory encoding pathway emerges with subsequent memory dependent EEG theta synchronization (2008)
  • Author(s): Naoyuki Sato, Takashi Ozaki, Yoshiaki Someya, Kimitaka Anami, Seiji Ogawa, Hiroaki Mizuhara, and Yoko Yamaguchi
  • Organizer: 第31回日本神経科学会大会(NEUROSCIENCE2008)
  • Place of Presentation: 東京
  • Year and Date: 2008-07-10
• [Presentation] A cortico-hippocampal network emerging with subsequent memory dependent theta oscillation (2008)
  • Author(s): Naoyuki Sato, Takashi Ozaki, Yoshiaki Someya, Kimitaka Anami, Seiji Ogawa, Hiroaki Mizuhara, and Yoko Yamaguchi
  • Organizer: Human Brain Mapping 2008
  • Place of Presentation: メルボルン
  • Year and Date: 2008-06-16
• [Presentation] A cortico-hippocampal network emerging with subsequent memory dependent theta oscillation (2008)
  • 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)
• [Presentation] An episodic memory encoding pathway emerges with subsequent memory dependent EEG theta synchronization (2008)
  • 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
• [Presentation] Relationship between an input sequence and asymmetric connections formed by theta phase precession and STDP (2008)
  • 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)
• [Presentation] Memory recall of object-place associations in a hierarchical network self-organized by theta phase coding (2007)
  • Author(s): Naoyuki Sato, Yoko Yamaguchi
  • Organizer: 第30回日本神経科学会大会
  • Place of Presentation: 横浜
• [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
• [Presentation] EEG theta regulates eye saccade generation during human object-place memory encoding (2007)
  • Author(s): Naoyuki Sato, Yoko Yamaguchi
  • Organizer: ICCN07 & SICPB 07
  • Place of Presentation: 上海(中国)
• [Presentation] Neural dynamics in human hippocampus (2007)
  • 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)
• [Presentation] Neural dynamics in human hippocampus (2007)
  • Author(s): Naoyuki Sato and 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)
• [Presentation] EEG theta regulates eye saccade generation during human ob ject-place memory encoding (2007)
  • Author(s): Naoyuki Sato and Yoko Yamaguchi
  • Organizer: The 1st international conference on cognitive neuro dynamics & the 3rd shanghai international conference on physiological biophysics-cognitive neurodyna mics(ICCN07 & SICPB 07)
  • Place of Presentation: 上海(中国)
• [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
• [Presentation] Memory recall of object-place associations in a hierarchical network self-organized by theta phase coding. (2007)
  • Author(s): Naoyuki Sato and Yoko Yamaguchi
  • Organizer: Neuro2007(joint conference of The 30th annual meeting of Japan Neuroscience Society; The 50th annual meeting of the Japanese Society for Neuroche mistry; The l7th annual meeting of the Japanese Neural Network Society)
  • Place of Presentation: 横浜
• [Remarks]
  • URL: http://www.dei.brain.riken.jp/~satonao/