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Related Concept Videos

Anxiety: Overview01:18

Anxiety: Overview

543
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.
543
Generalized Anxiety Disorder01:30

Generalized Anxiety Disorder

381
Generalized Anxiety Disorder (GAD) is a chronic condition characterized by excessive and uncontrollable worry that persists for at least six months, significantly interfering with daily functioning. Unlike situational anxiety, which arises in response to specific stressors, GAD often occurs without a clear cause. Individuals may experience disproportionate worry about work, health, or relationships. For instance, a person might continuously fear poor health despite normal medical evaluations or...
381
Panic Disorder01:27

Panic Disorder

340
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...
340
Social Anxiety Disorder01:28

Social Anxiety Disorder

206
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.
206
Anxiolytic Drugs: Overview01:26

Anxiolytic Drugs: Overview

758
Anxiolytic drugs are vital in managing anxiety disorders by effectively alleviating symptoms such as excessive fear, tachycardia, and tremors. There are several classes of anxiolytic medications, each with unique mechanisms of action and potential side effects.
Primary Types of Anxiolytic Drugs
1. Benzodiazepines:
Benzodiazepines bind to the GABA-A receptor in the brain, enhancing GABA's interaction. This action reduces neurotransmission, effectively blocking anxiety-associated limbic...
758
Anxiolytic Drugs: Benzodiazepines and Buspirone01:29

Anxiolytic Drugs: Benzodiazepines and Buspirone

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Benzodiazepines are a class of anxiolytic drugs known for their rapid efficacy and high therapeutic-to-lethal dose ratio, but with a potential risk of drug dependence. These drugs are lipophilic, allowing for rapid absorption after oral administration, eventually reaching the central nervous system (CNS). Once in the CNS, benzodiazepines bind to the allosteric site of the GABAA receptor. This binding enhances the inhibitory effects of the neurotransmitter GABA. By doing so, they prevent...
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Related Experiment Video

Updated: Nov 17, 2025

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat
11:18

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

Published on: September 12, 2014

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Anxiety disorders.

Brenda Wjh Penninx1, Daniel S Pine2, Emily A Holmes3

  • 1Department of Psychiatry, Amsterdam University Medical Center, Vrije Universiteit, Amsterdam, Netherlands; GGZ inGeest, Amsterdam, Netherlands.

Lancet (London, England)
|February 14, 2021
PubMed
Summary
This summary is machine-generated.

Anxiety disorders are common mental health conditions starting in early adulthood, characterized by excessive fear and avoidance. Effective treatments exist, but research is ongoing for better prevention and personalized therapies.

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Area of Science:

  • Psychiatry and Neuroscience
  • Mental Health Research

Background:

  • Anxiety disorders are the most prevalent mental health conditions, typically emerging in early adulthood.
  • They are characterized by persistent, impairing fear, anxiety, and avoidance behaviors, linked to brain circuit dysfunction.
  • Risk factors include genetic, environmental, and epigenetic influences, often with comorbid conditions like depression.

Purpose of the Study:

  • To summarize the current understanding of anxiety disorders, including their etiology, impact, and management.
  • To highlight the challenges in treating anxiety disorders, such as comorbidity and therapy resistance.
  • To emphasize the need for improved detection, treatment scaling, and personalized medicine approaches.

Main Methods:

  • Review of existing literature on anxiety disorders.
  • Analysis of epidemiological data and risk factors.
  • Evaluation of current therapeutic strategies and research directions.

Main Results:

  • Anxiety disorders are widespread, with significant genetic and environmental influences.
  • Comorbidity with other disorders complicates treatment and increases disease burden.
  • Psychotherapy (e.g., CBT) and medications (e.g., serotonergic compounds) are effective, but prevention and resistance remain challenges.

Conclusions:

  • Timely detection and adequate treatment are crucial for reducing the global burden of anxiety disorders.
  • While current treatments are effective, unmet clinical needs persist, necessitating further research.
  • Future directions include developing individualized, precision medicine approaches for more effective anxiety disorder management.