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在老鼠快速眼动睡眠期间的超声波发声

Fabio Squarcio¹, Timna Hitrec², Marco Luppi¹

¹Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy.

Journal of sleep research

|July 11, 2023

概括

老鼠在REM睡眠期间发出超声波发声,而不是NREM睡眠. 在睡眠剥夺研究中,在老鼠身上观察到这种以前未经记录的声乐行为.

科学领域:

神经科学是一个神经科学.
动物行为动物行为
睡眠研究睡眠研究

背景情况:

老鼠使用22kHz的超声波发声作为警报.
在老鼠的睡眠研究中,经常通过发声来监测压力的存在.

研究的目的:

为了调查睡眠剥夺研究期间老鼠中22kHz超声波发声的发生.
为了确定压力诱导的发声是否发生在特定的睡眠阶段.

主要方法:

在瘦和肥胖的老鼠中监测22kHz超声波发声的排放.
在睡眠剥夺协议期间的观察,区分REM和NREM睡眠阶段.

主要成果:

在所有老鼠中,超声波发声仅在快速眼动 (REM) 睡眠期间被检测到.
在非快速眼动 (NREM) 睡眠期间没有观察到发声.
发声的发生和持续时间没有根据老鼠的瘦身,白天的时间或睡眠剥夺后显著差异.

结论:

这项研究提供了第一次证据,表明老鼠在REM睡眠期间发声.
在REM睡眠期间的老鼠发声与睡眠剥夺或身体质量引起的压力无关.

关键词:

隔膜 EMG EMG 隔膜隔膜隔膜 EMG 隔膜有高脂肪的饮食.睡眠不足是因为睡眠不足.

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