觉醒机制：快速飞行的苍蝇夜间不睡觉。
Arousal mechanisms: speedy flies don't sleep at night.
作者信息
Birman Serge
机构信息
IBDM-Developmental Biology Institute, CNRS-INSERM-Université de la Méditerranée, Marseille, France.
出版信息
Curr Biol. 2005 Jul 12;15(13):R511-3. doi: 10.1016/j.cub.2005.06.032.
PMID:16005286
Abstract
Alertness and behavioral performance depend on an animal's level of arousal. In vertebrates, reinforcement and maintenance of arousal in the cortex are ensured by diffuse inputs from neurons releasing biogenic amine neuromodulators. Fruit flies similarly use dopamine for arousal control, indicating an ancient evolutionary origin of this essential feature of the functioning brain.
摘要
警觉性和行为表现取决于动物的觉醒水平。在脊椎动物中，释放生物胺神经调节剂的神经元的弥散性输入确保了皮层觉醒的强化和维持。果蝇同样利用多巴胺来控制觉醒，这表明大脑功能这一基本特征有着古老的进化起源。
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