BRAIN and NERVE－神経研究の進歩74巻2号

2022年02月発行

特集 温度を感じる脳と身体の科学

体温と睡眠

著者： 石原あすか¹ 朴寅成¹ 徳山薫平¹

所属機関： ¹筑波大学国際統合睡眠医科学研究機構

ページ範囲：P.173 - P.178

文献概要

正中視索前野，内側視索前野には環境温度が上昇すると活動が増大するニューロンがあり，これを選択的に刺激すると体温が低下し睡眠が増大する。さらに腹側外側視索前野を刺激しても，体温が低下して睡眠が増大する。また，末梢からの熱放散を促す中枢の機序が駆動するときに入眠が誘発される。これらは哺乳類や鳥類で観察される寝る前の準備行動や，高齢者の睡眠時の生理学的な特徴を説明する機序として考えられる。

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