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Ohki Takefumi  大城 武史

Researcher Number 70807875
Other IDs
  • ORCIDhttps://orcid.org/0000-0002-6850-047X
Affiliation (Current) 2025: 群馬大学, 大学院医学系研究科, 研究員
Affiliation (based on the past Project Information) *help 2023 – 2024: 群馬大学, 大学院医学系研究科, 研究員
2021: 東京大学, ニューロインテリジェンス国際研究機構, 特任研究員
2019 – 2020: 大阪大学, 医学系研究科, 特任研究員(常勤)
2017 – 2018: 東京大学, 大学院総合文化研究科, 特任研究員
Review Section/Research Field
Principal Investigator
Basic Section 51020:Cognitive and brain science-related / Basic / Social brain science
Except Principal Investigator
Basic Section 52030:Psychiatry-related
Keywords
Principal Investigator
MEG / 機械学習 / ニューラル・オシレーション / 学習 / 加齢 / リップル波誘導 / neuromodulation / optimal transport / Multivariate analysis / sharp-wave ripples … More / neural oscillations / 非正弦(左右非対称性) / スローオシレーション / スピンドル / リップル / Phase Amplitude Coupling / ECoG / Sharp-waves ripples / パーキンソン病 / 最適輸送理論 / ニューラル オシレーション / phase-amplitude coupling / 非正弦性 / ニューラルオシレーション / 神経科学 / 代数的時系列情報 / Mental schema / 脳オシレーション / mental schema / Beta / EEG / algebraic pattern / neural oscillation / low-beta oscillation … More
Except Principal Investigator
自由エネルギー理論 / 知覚情報符号化 / グラフ理論 / 脳磁図 / 統合失調症 Less
  • Research Projects

    (4 results)
  • Research Products

    (17 results)
  • Co-Researchers

    (5 People)
  •  リップル波とグローバルネットワークによる統合失調症の包括的理解

    • Principal Investigator
      武井 雄一
    • Project Period (FY)
      2024 – 2026
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 52030:Psychiatry-related
    • Research Institution
      Gunma University
  •  Development of non-invasive measurement and induction of multivariate sharp-wave ripples in the human brainPrincipal Investigator

    • Principal Investigator
      大城 武史
    • Project Period (FY)
      2023 – 2024
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 51020:Cognitive and brain science-related
    • Research Institution
      Gunma University
  •  A novel approach to EEG focusing on non-sinusoidal properties of neural oscillationsPrincipal Investigator

    • Principal Investigator
      Ohki Takefumi
    • Project Period (FY)
      2019 – 2021
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 51020:Cognitive and brain science-related
    • Research Institution
      The University of Tokyo
      Osaka University
  •  Neural mechanism of algebraic patternsPrincipal Investigator

    • Principal Investigator
      Ohki Takefumi
    • Project Period (FY)
      2017 – 2018
    • Research Category
      Grant-in-Aid for Research Activity Start-up
    • Research Field
      Basic / Social brain science
    • Research Institution
      The University of Tokyo

All 2024 2023 2022 2020 2018

All Journal Article Presentation Book

  • [Book] Forefront of Neural oscillations Research2024

    • Author(s)
      Takefumi Ohki
    • Total Pages
      400
    • Publisher
      Springer Nature
    • Data Source
      KAKENHI-PROJECT-23K14679
  • [Journal Article] Efficient, continual, and generalized learning in the brain?? neural mechanism of Mental Schema 2.0 ?2023

    • Author(s)
      Ohki Takefumi、Kunii Naoto、Chao Zenas C.
    • Journal Title

      Reviews in the Neurosciences

      Volume: 34 Issue: 8 Pages: 839-868

    • DOI

      10.1515/revneuro-2022-0137

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23K14679
  • [Journal Article] Measuring phase-amplitude coupling between neural oscillations of different frequencies via the Wasserstein distance2022

    • Author(s)
      Ohki Takefumi
    • Journal Title

      Journal of Neuroscience Methods

      Volume: 374 Pages: 109578-109578

    • DOI

      10.1016/j.jneumeth.2022.109578

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K16891
  • [Journal Article] Disrupted local beta band networks in schizophrenia revealed through graph analysis: A magnetoencephalography study2022

    • Author(s)
      Tagawa Minami、Takei Yuichi、Kato Yutaka、Suto Tomohiro、Hironaga Naruhito、Ohki Takefumi、Takahashi Yumiko、Fujihara Kazuyuki、Sakurai Noriko、Ujita Koichi、Tsushima Yoshito、Fukuda Masato
    • Journal Title

      Psychiatry and Clinical Neurosciences

      Volume: - Issue: 7 Pages: 309-320

    • DOI

      10.1111/pcn.13362

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19K08038, KAKENHI-PROJECT-19K16891
  • [Journal Article] Frequency-Specific Resting Connectome in Bipolar Disorder: An MEG Study2020

    • Author(s)
      Sunaga Masakazu、Takei Yuichi、Kato Yutaka、Tagawa Minami、Suto Tomohiro、Hironaga Naruhito、Ohki Takefumi、Takahashi Yumiko、Fujihara Kazuyuki、Sakurai Noriko、Ujita Koichi、Tsushima Yoshito、Fukuda Masato
    • Journal Title

      Frontiers in Psychiatry

      Volume: 11 Pages: 597-597

    • DOI

      10.3389/fpsyt.2020.00597

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K08038, KAKENHI-PROJECT-19K16891, KAKENHI-PLANNED-16H06397
  • [Journal Article] Timing of phase-amplitude coupling is essential for neuronal and functional maturation of audiovisual integration in adolescents.2020

    • Author(s)
      Ohki T, Matsuda T, Gunji A, Takei Y, Sakuma R, Kaneko Y, Inagaki M, Hanakawa T, Ueda K, Fukuda M, Hiraki K
    • Journal Title

      Brain Behav.

      Volume: 27 Issue: 6

    • DOI

      10.1002/brb3.1635

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K08038, KAKENHI-PUBLICLY-18H04960, KAKENHI-PROJECT-19K16891, KAKENHI-PLANNED-16H06397, KAKENHI-PLANNED-19H05726, KAKENHI-PUBLICLY-20H05555
  • [Journal Article] Neural mechanisms of mental schema: a triplet of delta, low beta/spindle and ripple oscillations2018

    • Author(s)
      Ohki Takefumi、Takei Yuichi
    • Journal Title

      Eur J Neurosci.

      Volume: 6 Issue: 7 Pages: 1-15

    • DOI

      10.1111/ejn.13844

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K19748, KAKENHI-PROJECT-17H06581
  • [Presentation] 安静時における統合失調症を対象とした多変量リップル解析2024

    • Author(s)
      大城武史 武井雄一
    • Organizer
      日本神経科学学会2024
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K14679
  • [Presentation] 学習戦略としての自発脳波ーリップル波に焦点をあててー2023

    • Author(s)
      大城武史
    • Organizer
      日本神経科学学会2023ー学術変革領域Aとの共同開催ー
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23K14679
  • [Presentation] Measuring phase amplitude coupling of different frequencies via the Wasserstein distance.2022

    • Author(s)
      Ohki T.
    • Organizer
      日本神経科学学会
    • Data Source
      KAKENHI-PROJECT-19K16891
  • [Presentation] ニューラル・オシレーションの正弦性に着目した新たな研究アプローチ2020

    • Author(s)
      大城武史
    • Organizer
      日本神経科学学会
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K16891
  • [Presentation] Detection of the sharp wave ripples in human via generalized eigendecomposition using concurrent measurements with ECoG and MEG2020

    • Author(s)
      Takefumi Ohki, Takufumi Yangaisawa, Hui Ming Khoo, Shota Yamamoto, Yuya Fujita and Haruhiko Kishima.
    • Organizer
      日本神経科学学会
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K16891
  • [Presentation] 一般化固有値分解を用いたヒトにおけるリップル波定量化手法の提案2020

    • Author(s)
      大城武史
    • Organizer
      第43回日本神経科学学会
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K16891
  • [Presentation] MEGニューロフィードバック法を用いた高齢者の顔認知機能改善の試み2020

    • Author(s)
      大城武史
    • Organizer
      国際電気通信基礎技術研究所(ATR)研究会 「最新のEEG/MEG研究と電流源推定法の現在地」
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K16891
  • [Presentation] ニューラル・オシレーションの非正弦性に着目した新たなアプローチ2020

    • Author(s)
      大城武史 マイケル・コーエン ニコール・スワン 松田孟留
    • Organizer
      第43回日本神経科学学会
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K16891
  • [Presentation] Timing of phase amplitude coupling in the temporal pole is essential for neuronal and functional maturation in adolescence.2018

    • Author(s)
      Takefumi Ohki
    • Organizer
      The 11th Federation of European Neuroscience Societies
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H06581
  • [Presentation] Timing of Phase-Amplitude Coupling Is Essential for Neuronal and Functional Maturation in Adolescents2018

    • Author(s)
      Takefumi Ohki
    • Organizer
      Forum of Neuroscience
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17H06581
  • 1.  武井 雄一 (30455985)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 4 results
  • 2.  村山 侑里 (00897902)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 3.  藤原 和之 (20735154)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 4.  須田 真史 (30553747)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  福田 正人
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 3 results

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