BRAIN and NERVE－神経研究の進歩76巻3号

2024年03月発行

総説

学習と神経活動—局在を超えて

著者： 櫻井芳雄¹²

所属機関： ¹京都大学 ²同志社大学行動神経科学研究センター

ページ範囲：P.273 - P.281

文献概要

学習には2種類あるが，単純な反射を変える古典的条件づけの神経回路は，複雑な随意反応を変えるオペラント条件づけには適用できない。オペラント条件づけによる学習が進行する際，脳の広範な部位で，神経細胞の発火頻度や同期発火が多様に変化することがわかっている。また多くの部位の神経細胞の活動を，学習により自ら変化させることも可能である。複雑な随意反応を変える学習は，極めて広範な神経活動の動的変化かもしれない。

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