失眠障碍的特征是使用血液氧化水平依赖 (BOLD) 阶段信号的概率性转移稳定子状态
Suzhou Wu1, Huaiping Peng2, Haobing Deng2
1Department of Radiology, Yilong Country Hospital of Traditional Chinese Medicine, Nanchong, 637000, Sichuan, China.
Sleep & breathing = Schlaf & Atmung
|March 7, 2024
概括
这项研究使用领先的自身向量动态分析 (LEiDA) 在失眠障碍中确定了不同的大脑状态. 这些发现可能有助于开发有针对性的刺激,以使失眠患者过渡到健康的大脑状态.
科学领域:
- 神经科学是一个神经科学.
- 计算神经科学是一种神经科学.
- 临床心理学 临床心理学
背景情况:
- 失眠障碍的特点是大脑动态发生变化,通常被概念化为转移稳定的子状态.
- 了解这些子状态对于开发有针对性的干预措施至关重要,例如外部刺激,以促进向健康大脑状态的过渡.
研究的目的:
- 在患有失眠障碍的个体中识别和描述脑活动的反复转移性稳定子状态.
- 分析这些子态的发生概率,寿命和交替模式,使用领先的自身向量动力学分析 (LEiDA) 方法.
主要方法:
- 招募了32名失眠患者和30名健康对照.
- 从BOLD信号计算了BOLD相连贯矩阵,并提取了领先的自向量.
- 应用k-means聚类来识别概率化元稳定子状态 (PMS) 和它们的相关指标.
主要成果:
- 确定了3个最佳集群,代表了失眠和健康组的不同大脑状态.
- 在失眠患者和健康受试者之间发现了PMS发生概率的显著差异 (例如,PMS-1:0.51与0.44,p <0.001).
- 观察到某些子状态的寿命有显著差异 (例如,PMS-3:14.80对比16.34TR,p=0.042),表明失眠中的转移性大脑动态.
结论:
- 识别的概率性转移稳定子状态为失眠障碍的特征性大脑动态提供了洞察力.
- 这些发现为未来研究外部驱动刺激奠定了基础,以促进从失眠到健康大脑状态的过渡.
更多相关视频
06:23A Chronic Sleep Fragmentation Model using Vibrating Orbital Rotor to Induce Cognitive Deficit and Anxiety-Like Behavior in Young Wild-Type Mice
Published on: September 22, 2020
5.4K
08:58Optogenetic Manipulation of Neural Circuits During Monitoring Sleep/wakefulness States in Mice
Published on: June 19, 2019
9.7K
相关概念视频
01:19Management of Insomnia
247
The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...
247
01:24Sleep-Wake Cycles
1.3K
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:
1.3K
01:27Insomnia
85
Insomnia is a prevalent sleep disorder characterized by difficulty falling asleep, frequent awakenings during the night, and waking up too early without being able to return to sleep. People with insomnia often experience these disruptions at least three nights a week for at least one month. Chronic insomnia, which lasts for at least three months, can lead to increased anxiety, which in turn can worsen sleep difficulties, creating a cycle of sleeplessness and stress.
Multiple factors contribute...
Multiple factors contribute...
85
01:22Stages of Sleep
190
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...
190
01:15REM Sleep Behavior Disorder
183
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...
183
01:07Narcolepsy
102
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.
102