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相关概念视频

Substance Use Disorders Affecting Sleep01:24

Substance Use Disorders Affecting Sleep

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Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
Understanding the concepts of physical dependence,...
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Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression
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主观和客观嗜睡指数的常见神经相关值:功能连接性研究

Yuki Motomura1,2, Shingo Kitamura1, Kentaro Oba1,3

  • 1Department of Sleep-Wake Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry Tokyo Japan.

Nature and science of sleep
|June 23, 2025
PubMed
概括

这项研究发现了主观和客观嗜睡的常见大脑连接模式. 这些发现突出了潜在的睡眠神经标志物及其潜在的大脑机制.

关键词:
默认模式网络模式 默认模式网络模式功能连接性的功能连接性中间叶皮层 中间叶皮层心理运动警觉任务任务昏昏欲睡的 睡觉的 昏昏欲睡的泰拉姆斯 (thalamus) 是一个神经系统.

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科学领域:

  • 神经科学是一个神经科学.
  • 睡眠科学 睡眠科学
  • 认知神经科学 认知神经科学

背景情况:

  • 对睡眠的主观和客观测量,如卡罗林斯卡睡眠量表 (KSS) 和精神运动警觉任务 (PVT),对于了解睡眠债务至关重要.
  • 功能性大脑连接提供了一种探索不同兴奋状态背后常见神经基质的方法.
  • 识别共享的神经机制可以导致更强大的嗜睡标志物.

研究的目的:

  • 调查主观和客观嗜睡共同的功能性大脑连接的神经相关性.
  • 使用fMRI探索休息和任务执行 (PVT) 期间大脑连接的共同点.
  • 识别强大的睡眠神经标志物,这些标志物独立于任务需求.

主要方法:

  • 16名健康的成年男性参加了为期14天的研究,包括延长睡眠,完全睡眠剥夺和恢复睡眠.
  • 用卡罗林斯卡睡眠度量 (KSS) 评估主观睡眠,使用精神运动警觉任务 (PVT) 评估客观睡眠.
  • 休息状态和基于任务的功能磁共振成像 (fMRI) 用于测量大脑连接,用一般线性混合模型分析.

主要成果:

  • 六对大脑区域的功能连接,包括前 cingulate 皮质-后 cingulate 皮质和thalamus-middle 时皮质,与嗜睡有显著的关联.
  • 默认模式网络 (前带皮层-后带皮层) 中的连接显示出与嗜睡有很强的联系.
  • 泰拉马斯 - 中部皮层连接出现了与嗜睡相关的潜在的新型网络.

结论:

  • 这项研究表明主观和客观嗜睡的共同神经基质,为嗜睡提供了重要的指标.
  • 泰拉马斯和中皮层之间确定的功能连接需要在睡眠研究中进一步调查.
  • 这些发现为睡眠不足如何影响大脑和表现为嗜睡提供了新的视角.