脳機能における神経活動の振動同期ダイナミクスの因果的役割を操作的に解明したい。

北城 圭一

北城 圭一, Ph.D.

BTCC 脳リズム情報処理連携ユニット ユニットリーダー
keiichi.kitajo [at] riken.jp

研究内容

我々は適応的かつ創発的な脳機能を担う非線形神経ダイナミクスを研究しています。特にヒトの知覚、運動、認知、コミュニケーション過程における神経活動の振動、同期等の機能的役割に注目しています。TMS(経頭蓋磁気刺激)-EEG(脳波), tES(経頭蓋電気刺激)ニューロフィードバック等の操作的手法を用い非線形神経活動の脳機能における因果的役割を示し、リハビリテーション分野等への応用を目指します。

研究主分野

研究関連分野

キーワード

主要論文

  1. Yuka O.Okazaki, Yuji Mizuno, Keiichi Kitajo,
    "Probing dynamical cortical gating of attention with concurrent TMS-EEG."
    Scientific Reports, 10, 4959, 1-10,
    10.1038/s41598-020-61590-2, 2020.
  2. Hiromichi Suetani, Keiichi Kitajo,
    "A manifold learning approach to mapping individuality of human brain oscillations through beta-divergence."
    Neuroscience Research, 4373, 1-9,
    10.1016/j.neures.2020.02.004, 2020.
  3. Kei-ichi Ueda, Yasumasa Nishiura, Keiichi Kitajo,
    "Mathematical mechanism of state-dependent phase resetting properties of alpha rhythm in the human brain."
    Neuroscience Research, 4387, 1-13,
    10.1016/j.neures.2020.03.007, 2020.
  4. Yue Wei, Yuka O. Okazaki, Richard HY So, Winnie C Chu, Keiichi Kitajo,
    "Motion sickness-susceptible participants exposed to coherent rotating dot patterns show excessive N2 amplitudes and impaired theta-band phase synchronization."
    NeuroImage, 202, 116028, 1-13,
    10.1016/j.neuroimage.2019.116028, 2019.
  5. Sarah Glim, Yuka Okazaki, Yumi Nakagawa, Yuji Mizuno, Takashi Hanakawa, Keiichi Kitajo,
    "Phase-amplitude coupling of neural oscillations can be effectively probed with concurrent TMS-EEG."
    Neural Plasticity, 6263907, 1-13,
    10.1155/2019/6263907, 2019.
  6. Teiji Kawano, Noriaki Hattori, Yutaka Uno, Keiichi Kitajo, Megumi Hatakenaka, Hajime Yagura, Hiroaki Fujimoto, Tomomi Yoshioka, Michiko Nagasako, Hironori Otomune, Ichiro Miyai.:
    "Large-scale phase synchrony reflects clinical status after stroke: An EEG study."
    Neurorehabilitation & Neural Repair, 31, 6, 561-570, 2017.
    10.1177/1545968317697031
  7. Takafumi Kajihara, Muhammad Nabeel Anwar, Masahiro Kawasaki, Yuji Mizuno, Kimitaka Nakazawa, Keiichi Kitajo:
    "Neural dynamics in motor preparation: From phase-mediated global computation to amplitude-mediated local computation."
    NeuroImage, 118, 445-455, 2015.
    10.1016/j.neuroimage.2015.05.032
  8. Keiichi Kitajo, Takashi Hanakawa, Risto J. Ilmoniemi and Carlo Miniussi,:
    "A contemporary research topic: Manipulative approaches to human brain dynamics."
    Frontiers in Human Neuroscience, 9:118, 2015.
    10.3389/fnhum.2015.00118
  9. Muhammad Nabeel Anwar, Muhammad Samran Navid, Mushtaq Khan, Keiichi Kitajo,:
    "A possible correlation between performance IQ, visuomotor adaptation ability and mu suppression"
    Brain Research, 1603, 84–93, 2015.
    10.1016/j.brainres.2015.01.045
  10. Masahiro Kawasaki, Yutaka Uno, Jumpei Mori, Kenji Kobata, Keiichi Kitajo,:
    "Transcranial magnetic stimulation-induced global propagation of transient phase resetting associated with directional information flow."
    Frontiers in Human Neuroscience, 8:173, 2014.
    10.3389/fnhum.2014.00173