Examination of the period for exercise task intervention based on changes in cerebral blood flow dynamics and the brain network using graph theory during the motor learning process

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  • Bizen Hiroki
    Department of Occupational Therapy, Faculty of Health Sciences, Kansai University of Health Sciences Graduate School of Applied Informatics, University of Hyogo
  • Kimura Daisuke
    Department of Occupational Therapy, Faculty of Health Sciences, Kansai University of Health Sciences
  • Ohtoshi Taro
    Department of Occupational Therapy, Faculty of Health Sciences, Kansai University of Health Sciences
  • Yoshihiro Nao
    Department of Occupational Therapy, Faculty of Health Sciences, Kansai University of Health Sciences
  • Mizuno-Matsumoto Yuko
    Graduate School of Applied Informatics, University of Hyogo Graduate School of Information Science, University of Hyogo

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Other Title
  • 運動学習過程における脳血流動態およびグラフ理論を用いた脳内ネットワークの変化から運動課題介入期間の検討
  • ウンドウ ガクシュウ カテイ ニ オケル ノウ ケツ リュウドウタイ オヨビ グラフ リロン オ モチイタ ノウナイ ネットワーク ノ ヘンカ カラ ウンドウ カダイ カイニュウ キカン ノ ケントウ

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Abstract

Elucidating the relationship between brain function and performance leads to the presentation of basic data for examining the motor task intervention period from the viewpoint of brain function. Therefore, we examined the relationships among cerebral blood flow dynamics, the brain network, and performance by measuring activity in the prefrontal and sensory-motor cortices during motor learning in 18 healthy subjects. Consequently, activation of the prefrontal cortex decreased while brain network efficiency increased as motor learning progressed. In contrast, when motor learning plateaued some areas of the prefrontal cortex were reactivated, and brain network efficiency decreased. Continuous change of brain function and continually performing the same exercise task may also be a means of improving performance.

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