BRAIN and NERVE－神経研究の進歩67巻4号

2015年04月発行

増大特集 大脳皮質vs.大脳白質

大脳皮質を見る：脳磁図（MEG）

著者： 柿木隆介¹²

所属機関： ¹自然科学研究機構生理学研究所統合生理研究系 ²総合研究大学院大学生命科学研究科生理科学専攻

ページ範囲：P.451 - P.466

文献概要

脳磁図は，大脳皮質の錐体細胞の樹状突起を流れる電流によって発生する磁場を計測する。機能的MRIに比べて時間分解能が非常に高いため，詳細な脳内時間情報処理過程が計測可能である。また，脳波に比して空間分解能が高い点も大きな長所である。何らかの刺激に対して記録される誘発脳磁図と，周波数分析による背景脳磁図の解析が可能である。

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