BRAIN and NERVE－神経研究の進歩67巻12号

2015年12月発行

特集 視床と高次脳機能

視床と注意

著者： 所和彦¹ 佐藤博信¹ 山本真裕美² 永井喜子²

所属機関： ¹神奈川リハビリテーションセンター脳神経外科 ²神奈川リハビリテーションセンター心理科

ページ範囲：P.1471 - P.1480

文献概要

注意とは情報の選択であり，視床は視覚・聴覚情報の選択を行っている。必要な情報にスポットライトを当て，同時に周囲の背景を抑制することにより重要な情報を際立たせている。視覚情報を選択する場が外側膝状体（LGB）で，そのLGBを管理し情報の選択を強化しているのが視床網様核（TRN）である。さらに頭頂・側頭・前頭葉などから下されるトップダウン様式の注意を調整し，行動と結びつけているのが視床枕である。また自験の視床出血における注意障害について検討した。

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