Estimation of neural networks by fluctuations of neuron spikes

2008 Fiscal Year Self-evaluation Report

• Project/Area Number: 18079003
• Research Category: Grant-in-Aid for Scientific Research on Priority Areas
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering
• Research Institution: The University of Tokyo
• Principal Investigator: OKADA Masato The University of Tokyo, 大学院・新領域創成科学研究科, 教授 (90233345)
• Project Period (FY): 2006 – 2009
• Keywords: 多体問題 / 計力学 / 神経科学 / BMI / データマイニング

Research Abstract

本研究計画は, 脳の神経細胞であるニューロンのスパイクと呼ばれる活動電位の統計解析手法の開発と, 神経系のモデル化まで踏み込んだシステム論的視点からのデータ解析の理論体系の構築を目指す.

Research Products

• [Journal Article] Balanced excitatory and inhibitory inputs to cortical neurons decouple firing irregularity from rate modulations (2007)
  • Author(s): Keiji Miura, Yasuhiro Tsubo, Masato Okada and Tomoki Fukai
  • Journal Title: Journal of Neuroscience 27 Pages: 13802-13812
  • Peer Reviewed
• [Journal Article] Extracting State Transition Dynamics from Multiple Spike Trains Using Hidden Markov Models with Correlated Poisson Distribution
  • Author(s): Kentaro Katahira, Jun Nishikawa, Kazuo Okanoya and Masato Okada
  • Journal Title: Neural Computation (in press)
  • Peer Reviewed
• [Journal Article] Transfer Matrix Method for Instantaneous Spike Rate Estimation
  • Author(s): Kazuho Watanabe, Hiroyuki Tanaka, Keiji Miura, Masato Okada
  • Journal Title: IEICE Transactions on Information and Systems Vol.E92-D, No.7 Pages: 2009
  • Peer Reviewed
• [Presentation] Simultaneous Clustering and Dimensionality Reduction Using Variational Bayesian Mixture Model (2009)
  • Author(s): Kazuho Watanabe
  • Organizer: nternational Federation of Classification Societies 2009 Conference
  • Place of Presentation: Dresden University of Technology
  • Year and Date: 2009-03-10
• [Presentation] A general framework for investigating how far the decoding process in the brain can be simplified (2008)
  • Author(s): Masafumi Oizumi, Toshiyuki Ishii, Kazuya Ishibashi, Hosoya Toshihiko, Masato Okada
  • Organizer: The Neural Information Processing Systems
  • Place of Presentation: Vancouver, Canada
  • Year and Date: 2008-12-10