大象传媒

详细

日 時：2019年10月28日（月）　12:00-13:00

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利用停留所（関东鉄道バス）：筑波大学中央行き又は筑波大学循环バス「追越学生宿舎前」

演者：Dr. Mathias Treier
　　　　　Max-Delbruck Center for Molecular Medicine in the Helmholtz Association / Charite University Medicine Berlin, Germany

演題:"No need to sleep if you should drink and eat"

要旨: Why we sleep is still a mystery. Hunger and thirst are potent stimuli that suppress sleep. Indeed, terrestrial animals like elephants and giraffes that extensively need to forage for water/food sleep very little without negative consequences. Food/water seeking is a complex physiological response to metabolic demands that requires an increased state of wakefulness, arousal and locomotory activity. We have identified a neuronal network in mice that is sufficient to elicit and maintain food/water foraging for days without sleep. In contrast, deletion of the genetic components encoding this innate behavior lets mice fall asleep upon food deprivation. Our findings suggest that the amount of sleep depends on the balance between metabolic demand and water/food availability and is set for each species individually according to its habitat.

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問い合わせ：国际统合睡眠医科学研究机构 029-853-8080(内線8080)