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相关概念视频

REM Sleep Behavior Disorder01:15

REM Sleep Behavior Disorder

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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...
248
Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

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Schizophrenia, a severe psychiatric disorder, arises from a complex interplay of biological factors, including genetic predisposition, structural brain abnormalities, neurotransmitter dysregulation, and developmental irregularities. These factors collectively contribute to the onset and progression of the disorder, which typically manifests in late adolescence or early adulthood.
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
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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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Sleep-Wake Cycles01:24

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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:
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Noninvasive, High-throughput Determination of Sleep Duration in Rodents
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睡眠障碍因果影响大脑皮层结构:孟德尔的随机化研究.

Xiang Gao1, Tao Wei2, Shenglong Xu1

  • 1Department of Otolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing, 100730, People's Republic of China; Obstructive Sleep Apnea-Hypopnea Syndrome Clinical Diagnosis and Therapy and Research Centre, Capital Medical University, Beijing, 100730, People's Republic of China; Key Laboratory of Otolaryngology Head and Neck Surgery, Ministry of Education, Capital Medical University, Beijing, 100730, People's Republic of China.

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概括

睡眠时间较短,无论是自我报告还是用加速度计测量,都与大脑厚度减少有因果关系. 这项研究提供了睡眠时间对大脑整体结构的直接影响的证据.

关键词:
大脑健康 大脑健康皮层形态学 皮层形态学在GWAS中,GWAS就是GWAS.门德尔的随机化睡眠障碍 睡眠障碍 睡眠障碍

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科学领域:

  • 神经科学是一个神经科学.
  • 遗传学 是一个遗传学.
  • 睡眠医学 睡眠医学

背景情况:

  • 以前的研究表明,睡眠障碍与大脑皮层结构的改变之间存在联系.
  • 睡眠障碍与大脑结构变化之间的因果关系尚不清楚.

研究的目的:

  • 用孟德尔随机化研究各种睡眠障碍对大脑皮层结构的因果关系.
  • 为了确定睡眠障碍是否导致大脑厚度和表面积的变化.

主要方法:

  • 使用了两个样本的门德尔随机化 (MR) 方法.
  • 包括来自欧洲血统的全基因组关联研究 (GWAS) 的11种睡眠障碍表型.
  • 结果变量包括全脑和34个特定区域的皮质厚度和表面积,来自ENIGMA联盟GWAS.

主要成果:

  • 较短的睡眠时间 (自我报告和加速计测量) 与大脑皮层厚度的降低有关.
  • 确定了66个关联,在功能层面上有暗示性因果关系的证据.
  • 发现了强有力的证据表明,睡眠效率显著影响上顶叶的表面积.

结论:

  • 睡眠时间缩短与大脑缩有因果关系.
  • 睡眠时间的主观和客观测量都表明它对整体大脑结构有不利影响.
  • 睡眠障碍可能直接影响人类大脑的物理结构.