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Updated: Jan 10, 2026

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Localization of the Locus Coeruleus in the Mouse Brain
Published on: March 7, 2019
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在清醒和NREM睡眠期间失眠障碍中,心脏部位的连接性发生变化
Panpan Lu1, Yupeng Guo1, Yan Shao1
1Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), Beijing, China.
Journal of sleep research
|November 29, 2025
概括
失眠障碍与大脑连接的改变有关. 失眠患者在N2睡眠期间表现出神经位 (locus coeruleus,LC) 与 cingulate皮质之间的功能连接性增加,与抑郁症和睡眠质量得分相关.
科学领域:
- 神经科学是一个神经科学.
- 睡眠医学 睡眠医学
- 精神病学是一个精神病学.
背景情况:
- 失眠障碍 (ID) 通常与精神疾病如焦虑和抑郁症同时发生.
- 智障和情绪失调之间的联系的神经生物学基础尚未完全理解.
- 核心位置 (LC) 对于睡眠-清醒周期和情绪处理至关重要.
研究的目的:
- 为了研究神经生物学机制,在失眠障碍和情绪失调之间存在关联.
- 为了检查功能连接 (FC) 源自位置 coeruleus (LC) 睡眠期间的患者与ID.
- 为了将基于LC的FC模式与睡眠质量,抑郁和焦虑的临床测量相关联.
主要方法:
- 同时的脑电图 (EEG) 和功能磁共振成像 (fMRI) 在37名ID患者和30名健康对照 (HC) 的夜间睡眠期间获得.
- 使用线性混合效应建模来评估基于LC的FC中的分组阶段相互作用.
- 评估了FC模式与匹兹堡睡眠质量指数 (PSQI),自我评价抑郁量表 (SDS) 和自我评价焦虑量表 (SAS) 之间的关联.
主要成果:
- 在基于LC的FC中,在包括 cingulate皮质,岛皮质和皮质在内的区域发现了显著的分组阶段相互作用.
- 与HC相比,ID患者在N2睡眠期间在LC和环状皮层之间显著增强了FC (p=0.023).
- 在聚合样本中,N2特定的LC-皮层连接强度与SDS (r=0.337,p=0.018) 和PSQI (r=0.401,p=0.003) 分数正相关.
结论:
- 在N2睡眠期间,LC - 状皮层功能连接的改变可能代表一个独特的神经电路,有助于失眠障碍中的情绪失调.
- 这些发现提供了对失眠障碍的神经生物学基础的见解.
- 这项研究突出显示了LC-状通路在失眠和相关情绪障碍的病理生理学中的作用.
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