相关实验视频

Updated: Sep 10, 2025

Quantifying Infra-slow Dynamics of Spectral Power and Heart Rate in Sleeping Mice

Quantifying Infra-slow Dynamics of Spectral Power and Heart Rate in Sleeping Mice

Published on: August 2, 2017

阶段性REM:整个夜间的行为和过渡到醒来

Giuseppe Barbato¹, Thomas A Wehr²

¹Dipartimento di Psicologia, Università Degli Studi Della Campania "Luigi Vanvitelli", 81100 Caserta, Italy.

|August 28, 2025

概括

快速眼动 (REM) 睡眠分析揭示了不同的时间模式. 阶段性REM时期占主导地位,早期REM活动与总REM周期持续时间相关,为睡眠调节提供了洞察力.

科学领域:

神经科学
睡眠科学
时间生物学

背景情况:

睡眠中的快速眼动 (REM) 最初与梦想有关,但后来因与清醒REM的差异以及非视觉梦想的存在而受到质疑.
快速睡眠分为阶段性 (眼动爆发) 和强力性 (静止期) 的组成部分,每一个都有不同的生理意义.
研究越来越多地关注REM睡眠过程中的现象学和生理作用.

研究的目的:

分析整个睡眠期间的强度和相位REM组件的时间动态.
在每个REM周期的最初和最后5分钟内调查REM活动模式.
探索早期REM活动与REM睡眠总持续时间之间的关系.

主要方法:

对15名受试者的105份睡眠记录进行了回顾性分析.
在整个睡眠时间内量化和比较强度和阶段REM时期.
评估每次REM周期的第一个和最后5分钟的REM活动.

主要成果:

在整个夜晚,相性REM周期比强度周期更为普遍.
在第一个和最后5分钟的REM周期中,REM活动呈现出不同的,尽管不显著的模式.
在前5分钟的REM活动与REM期间的总持续时间之间发现了显著的正相关性.

结论:

在REM时期的特定段落内分析REM活动可以了解时间演变.
这种方法可以阐明REMs在睡眠调节中的作用.
这些发现对理解与REM睡眠异常相关的精神和神经疾病具有重要意义.

关键词:

REM活动 REM阶段 REM 密度快速眼睛睡眠一种REM增强剂醒来了

更多相关视频

Optogenetic Manipulation of Neural Circuits During Monitoring Sleep/wakefulness States in Mice

Optogenetic Manipulation of Neural Circuits During Monitoring Sleep/wakefulness States in Mice

Published on: June 19, 2019

Polygraphic Recording Procedure for Measuring Sleep in Mice

Polygraphic Recording Procedure for Measuring Sleep in Mice

Published on: January 25, 2016

相关概念视频

Sleep-Wake Cycles

Sleep-Wake Cycles

Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and rapid eye movement (REM).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:

Stages of Sleep

Stages of Sleep

Sleep progresses through distinct stages, each characterized by specific brain wave patterns and physiological responses ranging from wakefulness to stages of non-rapid eye movement, known as non-REM, to rapid eye movement, referred to as REM. Understanding these stages helps in recognizing how sleep supports various bodily and cognitive functions.
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...

REM Sleep Behavior Disorder

REM Sleep Behavior Disorder

REM Sleep Behavior Disorder (RBD) is a sleep disorder characterized by the absence of muscle paralysis that normally occurs during the REM phase of sleep. This absence allows individuals to physically act out their dreams, which are often vivid and disturbing. Common behaviors exhibited during episodes include kicking, punching, and yelling. These actions can be dangerous, potentially leading to injuries for the person with RBD or their bed partner.
RBD is significantly associated with...

Narcolepsy

Narcolepsy

Narcolepsy is a chronic sleep disorder characterized by pervasive, uncontrolled sleepiness and other sleep disturbances. One of its hallmark symptoms is an abrupt transition to REM sleep upon falling asleep, which causes symptoms typically associated with this phase to occur unexpectedly during wakefulness. These include the following symptoms, which typically last from a minute or two to half an hour.

Nightmares and Night Terrors

Nightmares and Night Terrors

Nightmares and night terrors represent two distinct types of sleep disturbances that differ in timing, characteristics, and the sleeper's recall of the event. Nightmares are vivid, disturbing dreams that usually awaken the sleeper from REM sleep, a stage of sleep where brain activity is high, and dreams are most frequent. Upon awakening, individuals often have detailed recollections of their nightmares, which can include themes of threats to survival, security, or self-esteem.
Nightmares...

Understanding Sleep

Understanding Sleep

Sleep, an essential biological state, involves significant reductions in physical activity, sensory awareness, and interaction with the environment. This complex physiological process is primarily regulated by specific brain regions, notably the hypothalamus and pons, which govern the sleep-wake cycle or circadian rhythm.
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...