BRAIN and NERVE－神経研究の進歩69巻11号

2017年11月発行

増大特集 こころの時間学の未来

時間的に過剰な処理という視点からみた自閉スペクトラム症の感覚過敏

著者： 井手正和¹² 矢口彩子¹³ 渥美剛史¹ 安啓一⁴⁵ 和田真¹

所属機関： ¹国立障害者リハビリテーションセンター研究所脳機能系障害研究部発達障害研究室 ²日本学術振興会 ³立教大学大学院現代心理学研究科心理学専攻 ⁴筑波技術大学産業技術学部産業情報学科 ⁵国立障害者リハビリテーションセンター研究所感覚機能系障害研究部

ページ範囲：P.1281 - P.1289

文献概要

自閉スペクトラム症者の多くが，感覚過敏・感覚鈍麻という問題を訴える。これまで，刺激の検出感度の上昇，脳の構造的・機能的変容，分子レベルの抑制機能の低下などが研究されてきたが，まだ自閉スペクトラム症者の感覚過敏のすべてを説明できていない。筆者らは，この問題の一端が，過剰に向上した刺激の時間処理精度に起因する可能性を示した。このように，極めて高い刺激の時間処理能力を示す症例などをもとに研究を進めることは，臨床への貢献はもちろんのこと，脳における時間の知覚メカニズムの解明に寄与するだろう。

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