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Social Defeat Stress Model for Adolescent C57BL/6 Male and Female Mice
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Published on: March 15, 2024

Gender differences in depression.

Gordon Parker1, Heather Brotchie

  • 1School of Psychiatry, University of New South Wales, and Black Dog Institute, Sydney, Australia. g.parker@unsw.edu.au

International Review of Psychiatry (Abingdon, England)
|November 5, 2010
PubMed
Summary
This summary is machine-generated.

This review challenges the idea that depression is universally higher in women, suggesting biological factors like stress responsiveness contribute to gender differences in depression and anxiety.

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Area of Science:

  • Psychiatry
  • Neuroscience
  • Epidemiology

Background:

  • The prevailing view suggests a universal and substantial female preponderance in depression.
  • This review critically examines the universality and magnitude of this observed gender difference.

Purpose of the Study:

  • To challenge the proposition of a universal female preponderance in depression.
  • To explore and clarify candidate explanations for observed gender differences in depression and anxiety.
  • To overview the contributions of social and biological factors to these differences.

Main Methods:

  • Literature review and critical analysis of existing propositions and explanatory factors.
  • Consideration of both 'real' and artefactual explanations for gender differences.
  • Overview of sex role changes, social factors, and biological determinants.

Main Results:

  • Exceptions to the universal female preponderance in depression were identified.
  • Artefactual factors contribute to gender differences, but a higher-order biological factor is principal.
  • This biological factor includes neuroticism, stress responsiveness, or limbic system hyperactivity, influenced by gonadal steroid changes at puberty.

Conclusions:

  • A diathesis-stress model is favored over 'anatomy is destiny' to explain differential epidemiological findings.
  • Biological factors, particularly stress responsiveness, are key to gender differentiation in depression and anxiety.
  • The impact of gender on antidepressant therapy response warrants further consideration.