Statistical Method for Detecting State Transition of the Brain from Single Trial EEG data

• Project/Area Number: 24700422
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Fusional brain recording science
• Research Institution: National Institute of Information and Communications Technology
• Principal Investigator: NARUSE Yasushi 独立行政法人情報通信研究機構, 脳情報通信融合研究センター脳機能計測研究室, 副室長 (00455453)
• Project Period (FY): 2012-04-01 – 2015-03-31
• Project Status: Completed (Fiscal Year 2014)
• Budget Amount: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000); Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2012: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
• Keywords: 脳波 / α波 / 位相シフト / 状態遷移 / 統計解析 / 位相 / 反応時間 / μ波 / 位相同期 / 視覚運動 / 脳波解析 / 機械学習 / ラインプロセス

Outline of Final Research Achievements

The aim of this study was to develop a novel statistical method for detecting state transitions of the brain from a single EEG trial. First, we developed the statistical method that can detect phase shift of the alpha rhythm from a single EEG trial. Then, we showed the reaction times in the trials in which phase shifts were detected before the button press were significantly longer than in those in which phase shifts were not so detected. This result indicates that the alpha phase shift relates to the state transition of the brain.

Research Products

• [Journal Article] Phase shifts in alpha-frequency rhythm detected in electroencephalograms influence reaction time (2015)
  • Author(s): Yasushi Naruse, Ken Takiyama, Masato Okada, Hiroaki Umehara, Yutaka Sakaguchi
  • Journal Title: Neural Networks Volume: 62 Pages: 47-51
  • DOI: 10.1016/j.neunet.2014.07.012
  • Peer Reviewed / Open Access / Acknowledgement Compliant
• [Journal Article] Statistical method for detecting phase shifts in alpha rhythm from human electroencephalogram data (2013)
  • Author(s): Naruse, Y., Takiyama, K., Okada, M. and Umehara，H.
  • Journal Title: Physical Review E Volume: 87 Issue: 4 Pages: 42708-42708
  • DOI: 10.1103/physreve.87.042708
  • Peer Reviewed
• [Journal Article] 単一試行からα波の位相変化を抽出できる新しい手法の定量評価 (2012)
  • Author(s): 成瀬康，瀧山健，岡田真人，梅原広明
  • Journal Title: 第27回日本生体磁気学会大会論文集 Volume: 25 Pages: 240-241
• [Presentation] Phase shifts in alpha-frequency rhythms in electroencephalograms affect reaction times (2014)
  • Author(s): 成瀬康，瀧山健，岡田真人，梅原広明，阪口豊
  • Organizer: neuroscience 2014
  • Place of Presentation: Washington Convention Center(アメリカ)
  • Year and Date: 2014-11-16
• [Presentation] 脳波，脳磁界における自発活動のダイナミクス解析に向けた新しい信号処理手法 (2014)
  • Author(s): 成瀬康
  • Organizer: 第５３回日本生体医工学会
  • Place of Presentation: 仙台国際センター(仙台市)
  • Year and Date: 2014-06-24
  • Invited
• [Presentation] 単一試行からα波の位相シフトを抽出できる新手法を用いた，視覚刺激に同期し ない位相シフトの発見
  • Author(s): 成瀬康，瀧山健，岡田真人，梅原広明
  • Organizer: 第28回日本生体磁気学会
  • Place of Presentation: 新潟県新潟市朱鷺メッセ
• [Presentation] 脳情報を脳波から抽出する技術の開発
  • Author(s): 成瀬康
  • Organizer: 第99回知能化医療システム研究会
  • Place of Presentation: 岡山県笠岡市笠岡第一病院
• [Presentation] 単一試行脳波からα波位相シフトを検出出来る新しい統計的手法
  • Author(s): 成瀬康
  • Organizer: Neural Oscillation Conference 2013
  • Place of Presentation: 愛知県岡崎市岡崎コンファレンスセンター
  • Invited
• [Presentation] Evaluation of the amount of phase shift in the alpha rhythm
  • Author(s): 成瀬康，瀧山健，岡田真人，梅原広明
  • Organizer: Neuroscience2013
  • Place of Presentation: アメリカ サンディエゴ San Diego Convention Center
• [Presentation] 単一試行からα波の位相変化を抽出できる新しい手法の定量評価
  • Author(s): 成瀬康，瀧山健，岡田真人，梅原広明
  • Organizer: 第27回日本生体磁気学会
  • Place of Presentation: 東京電機大学，東京都
• [Presentation] 脳情報を脳波から抽出する技術の開発
  • Author(s): 成瀬康
  • Organizer: SIG-MBI of JSAI
  • Place of Presentation: 情報通信研究機構，兵庫県
• [Presentation] 非線形的な脳内情報処理に関連する脳活動
  • Author(s): 成瀬康
  • Organizer: 知能化医療システム研究会
  • Place of Presentation: 笠岡第一病院，岡山県
• [Presentation] A novel method for detection of phase shift of alpha rhythm in single trial
  • Author(s): Y. Naruse, K. Takiyama, M. Okada, H. Umehara
  • Organizer: 18th International Conference on Biomagnetism
  • Place of Presentation: Maison de la Chimie, France