BRAIN and NERVE－神経研究の進歩74巻9号

2022年09月発行

特集 動的環境への適応系としての歩行

大脳皮質による歩行中のステップの制御—障害物を回避するために

著者： 中島敏¹

所属機関： ¹富山大学学術研究部医学系統合神経科学講座

ページ範囲：P.1087 - P.1093

文献概要

歩行中に視覚を手掛かりとして随意的にステップを調節するためには大脳皮質の関与が必須である。本論では1980年代から現在までにネコを用いた実験系で得られた一次運動野，頭頂連合野，高次運動野についての知見を順に紹介し，頭頂連合野-高次運動野からなるネットワークが障害物と自己との時空間的関係や障害物の形状についての情報を筋シナジーを駆動する信号に変換する計算を行い，一次運動野がその信号を出力するという見方を述べる。

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