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相关概念视频

Panic Disorder01:27

Panic Disorder

145
Panic disorder is an anxiety disorder characterized by recurrent and sudden minutes-long episodes of intense fear, known as panic attacks. These attacks may feel like heart attacks and often happen without warning or a specific cause. They can include symptoms such as rapid heart rate, shortness of breath, chest pain, trembling, sweating, dizziness, and a sense of helplessness. During a panic attack, individuals may feel as though they are experiencing a heart attack or are in a...
145
Physiology of Emotion01:20

Physiology of Emotion

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The physiology of emotions is a multifaceted process involving the autonomic nervous system, brain structures, hormones, and neurotransmitters. This intricate interplay dictates how emotions manifest in the body and influence behavior.
Autonomic Nervous System
The autonomic nervous system (ANS) plays a critical role in emotional responses by regulating involuntary physiological functions. It consists of two main components: the sympathetic and parasympathetic systems. The sympathetic system...
977
Functional Brain Systems: Limbic System01:15

Functional Brain Systems: Limbic System

3.1K
The limbic system, often called the "emotional brain," is a complex set of structures located deep within the brain. The intricate network of the limbic system supports a wide range of psychological functions, from emotional regulation to memory formation and sensory processing. This functional brain region encompasses specific parts of the diencephalon and the cerebrum, integrating the higher mental functions of the cerebral cortex with the primitive emotional responses of the deep brain...
3.1K
Anxiety: Overview01:18

Anxiety: Overview

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Anxiety is a common mental disorder featuring excessive worry, fear, and apprehension, significantly affecting daily life. People with anxiety disorders experience persistent and intense anxiety, interrupting their everyday functioning.
Individuals with anxiety often experience a range of physical and emotional symptoms, including sweating, trembling, tachycardia, and disturbances in sleep patterns. These symptoms vary in intensity and frequency but are generally disruptive and distressing.
306
Physiological Theories: Cannon-Bard Theory of Emotion01:22

Physiological Theories: Cannon-Bard Theory of Emotion

621
The Cannon-Bard theory of emotion, proposed by Walter Cannon and Philip Bard, challenges the notion that emotions are solely the result of physiological responses. Instead, this theory suggests that emotional experiences and physiological arousal occur simultaneously but operate through independent mechanisms. This dual response is initiated by the brain, specifically by the thalamus, which plays a critical role in processing sensory information.
Upon perceiving a stimulus, such as a dangerous...
621
Physiological Foundation of Stress01:24

Physiological Foundation of Stress

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Stress triggers a coordinated physiological response involving the sympathetic nervous system (SNS) and the hypothalamic-pituitary-adrenal (HPA) axis. This dual activation ensures that the body is prepared for both immediate and prolonged stress management. The process begins with the perception of a stressor. This initial phase activates the SNS, leading to the rapid release of adrenaline (epinephrine) from the adrenal glands.
Role of the Sympathetic Nervous System
Adrenaline triggers the...
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相关实验视频

Updated: Jul 22, 2025

Optogenetic Manipulation of Neuronal Activity to Modulate Behavior in Freely Moving Mice
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Optogenetic Manipulation of Neuronal Activity to Modulate Behavior in Freely Moving Mice

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恐慌发作和恐慌障碍背后的大脑机制

Xuyan Guan1,2, Peng Cao3,4

  • 1Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing, 102206, China. guanxuyan@nibs.ac.cn.

Neuroscience bulletin
|July 21, 2023
PubMed
概括

这篇评论探讨了恐慌障碍,这种疾病会导致反复出现的恐慌发作. 它检查了人类亚型,治疗方法和动物模型,以了解参与恐慌发作的神经通路.

关键词:
动物研究 动物研究防御的反应 防御的反应人类人类人类.恐慌发作是一种恐慌发作.恐慌失调是一种恐慌失调.

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相关实验视频

Last Updated: Jul 22, 2025

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科学领域:

  • 精神病学是一个精神病学.
  • 神经科学是一个神经科学.
  • 动物行为 动物行为

背景情况:

  • 恐慌症影响大约4%的人口,给个人和社会经济带来重大负担.
  • 经常出现的恐慌发作是这种精神疾病的标志.
  • 动物的防御反应与人类恐慌发作症状有相似之处,这表明可翻译的神经解剖学途径.

研究的目的:

  • 提供人类恐慌障碍的全面概述.
  • 审查用于引发人类和动物恐慌发作的模型.
  • 探索潜在的神经解剖路径和神经电路机制是恐慌发作的基础.

主要方法:

  • 人类恐慌失调的文献综述.
  • 对类似恐慌行为的动物模型的分析.
  • 检查神经递质系统和参与恐慌的大脑区域.

主要成果:

  • 恐慌障碍亚型,触发模型,假设和当前治疗方法的概述.
  • 确定与动物恐慌性行为有关的大脑区域.
  • 对将动物研究结果转化为人类恐慌失调的可能性.

结论:

  • 了解恐慌症需要将人类临床数据与动物模型研究相结合.
  • 对动物模型的进一步研究可以阐明恐慌发作的神经回路.
  • 本综述将人类和动物研究联系起来,以促进恐慌障碍的理解和治疗.