レム睡眠における神経回路と情動処理
Liu-Yan Chang1, Yue-Qian Wang1, Zhe Li1
1Department of Pharmacology, School of Basic Medical Sciences; Fudan University, Shanghai, China.
Frontiers in psychiatry
|December 22, 2025
まとめ
レム睡眠(REMS)は情動調節に不可欠であるが、その開始および終了メカニズムは不明である。今後の研究では、REMS神経回路とその精神疾患との関連を調査する。
科学分野:
- 神経科学;睡眠科学
背景:
- 哺乳類の睡眠は、ノンレム睡眠(75%)とレム睡眠(25%)から構成される。;レム睡眠は進化的に保存されており、情動調節に不可欠である。;レム睡眠の調節不全は、PTSDやうつ病と関連している。
研究 の 目的:
- レム睡眠の開始および終了の神経メカニズムをレビューすること。;負の情動処理におけるレム睡眠の役割を要約すること。;今後のレム睡眠研究のための主要な質問を特定すること。
主な方法:
- 哺乳類のレム睡眠に関する文献レビュー。;レム睡眠に関与する脳の解剖学的構造と神経回路の分析。;情動処理におけるレム睡眠の役割の要約。
主要な成果:
- レム睡眠は、大脳皮質、脳幹、視床下部にわたる分散ネットワークを関与する。;証拠は、レム睡眠調節における大脳皮質および脳幹領域を関与する。;レム睡眠は、負の情動処理において重要な役割を果たす。
結論:
- レム睡眠の神経メカニズムを理解することは、関連する精神疾患に対処するために不可欠である。;レム睡眠の正確な開始、終了、および病態生理学的な関連を解明するためには、さらなる研究が必要である。;今後の研究では、レム睡眠研究における特定された未解決の質問に焦点を当てるべきである。
関連する概念動画
Sleep-Wake Cycles
2.7K
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:
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
2.7K
Stages of Sleep
1.3K
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...
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
1.3K
REM Sleep Behavior Disorder
1.3K
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...
RBD is significantly associated with...
1.3K
Understanding Sleep
1.4K
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...
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...
1.4K
Functional Brain Systems: Reticular Formation
4.1K
The reticular formation is a complex network of gray and white matter located within the brainstem extending from the medulla to the midbrain.
Within the reticular formation, there are several distinct nuclei that can be classified into three broad categories. The Raphe nuclei are located along the midline of the brainstem. They are primarily known for their role in synthesizing and releasing serotonin, a neurotransmitter involved in regulating mood, appetite, sleep, and circadian rhythms. The...
Within the reticular formation, there are several distinct nuclei that can be classified into three broad categories. The Raphe nuclei are located along the midline of the brainstem. They are primarily known for their role in synthesizing and releasing serotonin, a neurotransmitter involved in regulating mood, appetite, sleep, and circadian rhythms. The...
4.1K


