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相关概念视频

Understanding Sleep01:11

Understanding Sleep

218
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...
218
Sleep-Wake Cycles01:24

Sleep-Wake Cycles

1.2K
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:
1.2K
Primary Motives: Sleep, Sex, and Pain Avoidance01:24

Primary Motives: Sleep, Sex, and Pain Avoidance

435
Primary motives such as sleep, sex, and pain avoidance are crucial drivers of behavior in humans and animals. These motives ensure survival, reproductive success, and overall well-being by prompting actions that meet essential bodily needs.
Sleep is a fundamental physiological drive that fosters a state of restfulness crucial for several bodily functions. It facilitates body restoration, the process by which the body repairs, rejuvenates, and maintains itself during sleep, including memory...
435
Pain01:20

Pain

449
Pain serves as a critical warning signal that alerts the body to potential or actual harm. When mechanical pressure on the skin is intense, such as from a sharp pinch, the sensation transitions from touch to pain. Similarly, extreme temperatures, like a hot pot handle, convert the sensation of heat into pain. Pain can also result from overstimulation of other senses, such as blinding light, loud noise, or the intense heat from habañero peppers. This ability to sense pain is essential for...
449
Narcolepsy01:07

Narcolepsy

89
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.
89
Management of Insomnia01:19

Management of Insomnia

230
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...
230

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相关实验视频

Updated: Jun 3, 2025

Optogenetic Manipulation of Neural Circuits During Monitoring Sleep/wakefulness States in Mice
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Optogenetic Manipulation of Neural Circuits During Monitoring Sleep/wakefulness States in Mice

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确定调节疼痛诱导睡眠障碍的大脑电路

Nicole Lynch1, Roberto De Luca1, Richard L Spinieli1

  • 1Department of Neurology, Division of Sleep Medicine, and Program in Neuroscience, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, 02215, USA.

bioRxiv : the preprint server for biology
|January 7, 2025
PubMed
概括
此摘要是机器生成的。

针对促进清醒的特定大脑通路,可以有效地减少疼痛引起的睡眠障碍. 这种方法为传统的止痛药提供了有希望的替代品,最大限度地降低了风险并改善了睡眠质量.

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Polygraphic Recording Procedure for Measuring Sleep in Mice
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A Chronic Sleep Fragmentation Model using Vibrating Orbital Rotor to Induce Cognitive Deficit and Anxiety-Like Behavior in Young Wild-Type Mice
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A Chronic Sleep Fragmentation Model using Vibrating Orbital Rotor to Induce Cognitive Deficit and Anxiety-Like Behavior in Young Wild-Type Mice

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相关实验视频

Last Updated: Jun 3, 2025

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Polygraphic Recording Procedure for Measuring Sleep in Mice
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A Chronic Sleep Fragmentation Model using Vibrating Orbital Rotor to Induce Cognitive Deficit and Anxiety-Like Behavior in Young Wild-Type Mice
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科学领域:

  • 神经科学是一个神经科学.
  • 疼痛研究 疼痛研究
  • 睡眠科学 睡眠科学

背景情况:

  • 慢性疼痛和睡眠不足通过降低阿片类药物系统的敏感性,损害了阿片类药物镇痛的有效性.
  • 了解关联疼痛和睡眠障碍的神经机制对于开发有效的治疗方法至关重要.
  • 脊柱-双神经通道和双神经核表达素基因相关 (PBel) 神经元,涉及到关闭厌恶刺激.

研究的目的:

  • 为了研究 nociceptor激活,疼痛和随后的睡眠障碍之间的联系.
  • 确定是否针对PBelCGRP唤醒通路的锁可以缓解疼痛诱导的睡眠问题而不会引起昏昏欲睡.
  • 为了确定特定的大脑区域和受体参与调解疼痛诱导的睡眠障碍.

主要方法:

  • 使用急性炎症性疼痛 (AIP) 和视痛模型来诱导疼痛.
  • 选择性基因切除和光遗传沉默技术被用来使PBelCGRP神经元及其终端失活.
  • 在特定的大脑部位 (SI-BF,CeA) 进行了CGRP和NMDA受体的药理阻断.

主要成果:

  • 在这两种疼痛模型中, nociceptor的激活诱导了睡眠损失,减少了睡眠线索密度,增加了睡眠碎片化.
  • 谷氨酸性PBelCGRP神经元的失活防止了这些疼痛诱导的睡眠障碍.
  • 在基底前脑 (SI-BF) 和杏仁体 (CeA) 中心核的无名体中静止PBelCGRP终端,扭转了由CGRP和NMDA受体介导的睡眠损失.

结论:

  • 谷氨酸性PBelCGRP通路在调解与急性疼痛相关的睡眠障碍方面发挥着关键作用.
  • 针对特定的觉醒路径,特别是在SI-BF和CeA内,为联合治疗疼痛和睡眠障碍提供了潜在的治疗策略.
  • 这种方法可以通过避免与阿片类药物相关的风险,为传统止痛药提供更安全的替代方案.