前丘脑中与心跳相关的活动在相位和强度REM睡眠之间有所不同
Péter Simor1,2, Róka Zita Lilla1,3, Orsolya Szalárdy2
1Institute of Psychology, ELTE, Eötvös Loránd University, Budapest, Hungary.
The Journal of physiology
|April 15, 2025
概括
这项研究表明,前丘脑在清醒和REM睡眠期间跟踪心脏信号. 阶段性REM睡眠,以眼球运动为特征,显示出与心跳相关的神经活动模式.
科学领域:
- 神经科学是一个神经科学.
- 睡眠科学 睡眠科学
- 心脏病学 心脏病学
背景情况:
- 快速眼动 (REM) 睡眠对认知和生理功能至关重要.
- 阶段性REM睡眠 (有眼睛运动) 在神经生理学上不同于强度REM睡眠 (没有眼睛运动).
- 内接收,或处理身体内部的信号,在睡眠期间是研究不足的,特别是与外接收相比.
研究的目的:
- 为了研究lamus (ANT) 前核中的整感受处理.
- 为了比较与心跳相关的神经活动在在阶段性REM,强力REM,和休息时的清醒.
- 为了确定在REM睡眠期间的眼睛运动是否会改变整感信号处理.
主要方法:
- 使用患者 (N=11) 在前丘脑植入电极.
- 测量了与心跳相关的神经活动,包括唤起的潜能和光谱功率 (β-低玛).
- 分析了不同警觉状态中锁定心跳的神经信号的试验间阶段同步.
主要成果:
- 在ANT中,与心跳相关的神经活动在相级REM睡眠和强度REM睡眠和清醒之间有显著差异.
- 在所有状态中,在较低频率 (7-20 Hz) 中观察到明显的试验间相同步.
- 与其他状态相比,相级REM睡眠中发生了降低的玛同步,这表明改变了整体感知处理.
结论:
- 前丘脑 (ANT) 参与在清醒和REM睡眠期间处理心脏信号.
- 阶段性REM睡眠表现出与心跳相关的神经活动的独特模式.
- 在以眼球运动为特征的快速眼动睡眠期间,间接感处理可能会减弱.
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