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What is generalized anxiety disorder?

K Rickels1, M A Rynn

  • 1Department of Psychiatry, University of Pennsylvania, Philadelphia 19104, USA. krickels@mail.med.upenn.edu

The Journal of Clinical Psychiatry
|June 21, 2001
PubMed
Summary

Generalized anxiety disorder (GAD) diagnostic criteria evolved significantly since Freud, with key changes in duration and symptom emphasis impacting research and clinical practice.

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Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Mental Health Research

Background:

  • Generalized anxiety disorder (GAD) was first conceptualized by Freud in 1894.
  • The diagnostic term GAD was formally introduced in the DSM-III in 1980.
  • Initially a residual diagnosis, GAD is now recognized as a distinct clinical entity.

Observation:

  • Diagnostic criteria for GAD have undergone substantial revisions since 1980.
  • Key revisions include extending the duration criterion to six months.
  • Emphasis has shifted towards worry and psychic symptoms in diagnostic definitions.

Findings:

  • The DSM-III-R and DSM-IV classifications significantly redefined GAD.
  • Comparison of DSM-IV criteria with ICD-10 criteria highlights definitional differences.
  • Evolution of criteria impacts research, diagnosis, and treatment approaches.

Implications:

  • Changes in diagnostic criteria influence research methodologies and findings in GAD.
  • Refined criteria aid in more accurate diagnosis and differential diagnosis of GAD.
  • Understanding diagnostic evolution is crucial for effective GAD treatment strategies.

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