Ohki Takefumi 大城武史

Researcher Number	70807875
Other IDs	https://orcid.org/0000-0002-6850-047X
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 / Multivariate analysis / Schizophrenia / optimal transport … More / 一般化固有値分解 / sharp-wave ripples / 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

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 2025 2024 2023 2022 2020 2018

All Journal Article Presentation Book

[Book] 日本生物学的精神医学会誌2025
- Author(s)
  大城武史
- Total Pages
  100
- Publisher
  新興医学出版社
- Data Source
  KAKENHI-PROJECT-23K14679
[Book] Forefront of Neural Oscillations Research2025
- Author(s)
  Takefumi Ohki ed.
- Total Pages
  400
- Publisher
  Springer Nature
- Data Source
  KAKENHI-PROJECT-23K14679
[Book] Forefront of Neural oscillations Research2024
- Author(s)
  Takefumi Ohki
- Total Pages
  400
- Publisher
  Springer Nature
- Data Source
  KAKENHI-PROJECT-23K14679
[Journal Article] Multivariate sharp‐wave ripples in schizophrenia during awake state2024
- Author(s)
  Ohki Takefumi、Chao Zenas C.、Takei Yuichi、Kato Yutaka、Sunaga Masakazu、Suto Tomohiro、Tagawa Minami、Fukuda Masato
- Journal Title
  
  Psychiatry and Clinical Neurosciences
  
  Volume: 78 Issue: 9 Pages: 507-516
- DOI
  10.1111/pcn.13702
- 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] 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] 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] 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] 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] 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] 脳磁図を用いたヒト統合失調症における多変量リップル解析2024
- Author(s)
  大城武史　武井雄一
- Organizer
  海馬と高次認知機能学会
- 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] 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] 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

Ohki Takefumi 大城 武史

Research Projects

Research Products

Co-Researchers

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

Project Period (FY)

Research Category

Review Section

Research Institution

Development of non-invasive measurement and induction of multivariate sharp-wave ripples in the human brainPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

A novel approach to EEG focusing on non-sinusoidal properties of neural oscillationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Neural mechanism of algebraic patternsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Book] 日本生物学的精神医学会誌2025

Author(s)

Total Pages

Publisher

Data Source

[Book] Forefront of Neural Oscillations Research2025

Author(s)

Total Pages

Publisher

Data Source

[Book] Forefront of Neural oscillations Research2024

Author(s)

Total Pages

Publisher

Data Source

[Journal Article] Multivariate sharp‐wave ripples in schizophrenia during awake state2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Efficient, continual, and generalized learning in the brain?? neural mechanism of Mental Schema 2.0 ?2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Disrupted local beta band networks in schizophrenia revealed through graph analysis: A magnetoencephalography study2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Measuring phase-amplitude coupling between neural oscillations of different frequencies via the Wasserstein distance2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Timing of phase-amplitude coupling is essential for neuronal and functional maturation of audiovisual integration in adolescents.2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Frequency-Specific Resting Connectome in Bipolar Disorder: An MEG Study2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Neural mechanisms of mental schema: a triplet of delta, low beta/spindle and ripple oscillations2018

Author(s)

Journal Title

DOI

Data Source

[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)

Ohki Takefumi 大城武史