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Testosterone and cortisol jointly modulate risk-taking.

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Summary
This summary is machine-generated.

Testosterone may encourage risk-taking, but only when cortisol levels are low. This dual-hormone interaction influences behavior across different measures in both men and women.

Keywords:
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Area of Science:

  • Endocrinology
  • Behavioral Neuroscience
  • Psychology

Background:

  • The relationship between testosterone and risk-taking is debated, with mixed empirical findings.
  • The dual-hormone hypothesis suggests that other hormones may modulate testosterone's effects.

Purpose of the Study:

  • To investigate whether cortisol moderates the association between testosterone and risk-taking.
  • To test the dual-hormone hypothesis in relation to human risk-taking behavior.

Main Methods:

  • Two studies were conducted with a total of 280 participants (mixed-sex and male-only samples).
  • Measures included self-report and informant-report questionnaires for risk-taking, and the Balloon Analog Risk Task (a behavioral measure).
  • Basal levels of testosterone and cortisol were measured.

Main Results:

  • A positive association between testosterone and risk-taking was observed only in individuals with low basal cortisol levels.
  • This interaction effect was consistent across self-reports, informant reports, and behavioral measures of risk-taking.
  • The pattern was evident in both male and female participants.

Conclusions:

  • Testosterone and cortisol interact to jointly regulate risk-taking behavior.
  • These findings support the dual-hormone hypothesis and offer a more nuanced understanding of hormonal influences on risk-taking.