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

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. 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, doi: 10.1177/1545968317697031, 2017.
  2. Takeru Matsuda, Keiichi Kitajo, Yoko Yamaguchi, Fumiyasu Komaki.:
    "A point process modeling approach for investigating the effect of online brain activity on perceptual switching"
    NeuroImage, 152, 50-59, doi: 10.1016/j.neuroimage.2017.02.068, 2017.
  3. Eri Miyauchi, Keiichi Kitajo, Masahiro Kawasaki.:
    "TMS-induced theta phase synchrony reveals a bottom-up network in working memory"
    Neuroscience Letters, 622, 10-14, doi:10.1016/j.neulet.2016.04.008, 2016.
  4. Takumi Sase, Jonatán Peña Ramírez, Keiichi Kitajo, Kazuyuki Aihara, Yoshito Hirata.:
    "Estimating the level of dynamical noise in time series by using fractal dimensions"
    Physics Letters A, 380, 11-12, 1151–1163, doi:10.1016/j.physleta.2016.01.014, 2016.
  5. 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, doi:10.1016/j.neuroimage.2015.05.032, 2015.
  6. 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. doi:10.3389/fnhum.2015.00118, 2015.
  7. 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,doi:10.1016/j.brainres.2015.01.045, 2015.
  8. Michiko Asano, Mutsumi Imai, Sotaro Kita, Keiichi Kitajo, Hiroyuki Okada, Guillaume Thierry,:
    "Sound symbolism scaffolds language developmentin preverbal infants."
    Cortex, 63, 196-205, 2015.
  9. 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, doi: 10.3389/fnhum.2014.00173, 2014.
  10. Masahiro Kawasaki, Keiichi Kitajo, Yoko Yamaguchi,:
    "Fronto-parietal and fronto-temporal theta phase synchronization for visual and auditory-verbal working memory."
    Frontiers in Psychology, 5:200, doi:10.3389/fpsyg.2014.00200, 2014.