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相关概念视频

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.
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Social Anxiety Disorder01:28

Social Anxiety Disorder

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Social anxiety disorder, also known as social phobia, is characterized by an intense fear of social situations where one might face humiliation, rejection, embarrassment, or negative evaluation. This disorder leads individuals to avoid activities like casual conversations, public speaking, or seemingly simple tasks such as eating, signing documents, or swimming, in public settings. Its impact extends beyond discomfort, often significantly interfering with daily functioning and quality of life.
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Altered States of Awareness01:06

Altered States of Awareness

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Altered states of consciousness represent significant deviations from one's normal mental state. These deviations can range from subtle changes in awareness to profound transformations in perception, thought processes, and sensory experiences. Altered states of consciousness can be triggered by various factors, including drug use, meditation, hypnosis, illness, or even intense fatigue.
The ingestion of substances like stimulants or hallucinogens leads to chemical alterations in the brain...
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Functional Brain Systems: Limbic System01:15

Functional Brain Systems: Limbic System

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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...
6.5K
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...
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Behavior Therapy01:22

Behavior Therapy

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Behavior therapy incorporates diverse techniques rooted in classical conditioning principles to address maladaptive behaviors and anxiety disorders. These methods aim to reduce avoidance behaviors, foster adaptive coping mechanisms, and alter associations between stimuli and responses, making them effective in a wide range of therapeutic contexts.
Exposure therapy is a cornerstone of behavioral treatment for anxiety disorders. It involves systematic exposure to feared stimuli, either in real...
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相关实验视频

Updated: Jan 16, 2026

Reducing State Anxiety Using Working Memory Maintenance
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Reducing State Anxiety Using Working Memory Maintenance

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使用自然语言处理将焦虑的主观经验与大脑功能联系起来.

Peter A Kirk1, Purnima Qamar1, Jacob Lentz1

  • 1Emotion and Development Branch, National Institute of Mental Health, Bethesda, MD, USA.

Social cognitive and affective neuroscience
|September 26, 2025
PubMed
概括

焦虑症状可能会改变电影观看期间岛屿中的大脑活动,影响个人回忆细节的方式. 这项研究探讨了临床神经科学中的主观焦虑经验.

关键词:
焦虑 焦虑是一种焦虑.发展发展发展 发展发展语言 语言 语言 语言电影 fMRI 的情况.自然语言处理自然语言处理.自然主义的自然主义者.

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Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat
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Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat

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相关实验视频

Last Updated: Jan 16, 2026

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科学领域:

  • 神经科学是一个神经科学.
  • 临床心理学 临床心理学
  • 认知科学 认知科学

背景情况:

  • 焦虑研究通常侧重于行为和神经生理学,特别是杏仁体,胰岛和带膜皮层的活动.
  • 目前尚不清楚这些神经回路是否支持焦虑的主观体验,这是临床神经科学的一个关键挑战.

研究的目的:

  • 研究大脑活动,主观焦虑经验和回忆之间的关系.
  • 探索焦虑症状如何影响神经对焦虑刺激的反应.

主要方法:

  • 使用功能磁共振成像 (fMRI) 扫描儿科参与者 (有或没有焦虑障碍) 在观看动画电影时.
  • 使用自然语言处理算法对参与者关于电影的口头反应的量化语义内容和价值.

主要成果:

  • 广泛的大脑活动,包括前脑皮层,与参与者对电影的叙事描述相关.
  • 焦虑症状与岛内反应,叙事回忆和对电影的评估有关.

结论:

  • 焦虑症状可能会在看电影时塑造胰岛活动模式.
  • 这影响了参与者后来回忆起的具体细节,为焦虑中的主观情绪体验提供了洞察力.