Cognitive Connie

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Fear, Anxiety & Panic: Core Concepts

Three terms sit at the heart of every anxiety disorder: fear, anxiety, and panic attack. They are often used interchangeably in everyday language, but clinically and theoretically they refer to distinct states with different triggers, time orientations, and physiological profiles. Getting these distinctions right is the first step to understanding how anxiety disorders are classified, explained, and treated.

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DSM-5 & ICD-10 Classification of Anxiety Disorders

Anxiety disorders are among the most prevalent mental health conditions worldwide, yet their classification has been revised substantially over recent decades. The two dominant systems — DSM-5 (American Psychiatric Association, 2013) and ICD-10 (World Health Organization) — agree on the broad landscape of anxiety disorders but differ in meaningful ways: which conditions belong in the chapter, how duration thresholds are set, whether conditions are bundled or split, and how much weight is given to autonomic versus cognitive symptoms.

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Epidemiology of Anxiety Disorders

Anxiety disorders are the most prevalent mental health conditions worldwide. Understanding who is affected, when disorders begin, and how they co-occur with other conditions is essential for grasping their full clinical and public health significance — and for interpreting the research literature.

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