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A New Method for Inducing a Depression-Like Behavior in Rats
07:57

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Cooperation and depressive symptoms.

C Brendan Clark1, Christopher B Thorne, Sonya Hardy

  • 1University of Alabama at Birmingham, Department of Psychiatry & Behavioral Neurobiology, Birmingham, AL 35294-0017, USA. cbrendanclark@uab.edu

Journal of Affective Disorders
|June 4, 2013
PubMed
Summary
This summary is machine-generated.

Individuals with depression struggle with reciprocal cooperation in iterative economic games, but not in single-round games. This research highlights economic games as a tool for assessing social deficits in depression.

Keywords:
Behavioral economicsCooperationDepressionPrisoner's dilemmaPublic goods game

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Area of Science:

  • Psychology
  • Neuroscience
  • Behavioral Economics

Background:

  • Pro-social cooperation deficits are common in mental illnesses like depression.
  • Economic games are established tools for cross-cultural cooperation research.
  • Their use in clinical populations, particularly depression, is emerging.

Purpose of the Study:

  • To investigate the relationship between depressive symptoms and cooperative behavior using economic games.
  • To test the hypothesis that individuals with greater depressive symptoms struggle with reciprocity in iterative games.

Main Methods:

  • 41 participants played four computer-based economic games (Prisoner's Dilemma, Public Goods, Ultimatum, Trust).
  • Cooperative behavior was assessed in relation to performance in these games.
  • Participants completed the Depression Anxiety and Stress Scale (DASS) and other psychological measures.

Main Results:

  • Depressive symptoms, not anxiety or stress, significantly correlated with game performance.
  • Performance in Prisoner's Dilemma and Public Goods games was linked to depression, even after controlling for covariates.
  • A linear regression confirmed the association between depression and cooperation deficits.

Conclusions:

  • Depressive symptoms are associated with difficulties in maintaining reciprocal cooperation.
  • Participants with higher depressive symptoms exhibited deficits in iterative economic games as predicted.
  • Economic games offer a promising method for evaluating social deficits in depression.