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Openness to experience predicts dopamine effects on divergent thinking.

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Area of Science:

  • Neuroscience
  • Psychology
  • Cognitive Science

Background:

  • Individual differences in openness to experience and creativity are theoretically linked to dopamine.
  • Empirical evidence, particularly causal links, for this association is limited.

Purpose of the Study:

  • To investigate the influence of dopamine activity on the relationship between openness to experience and divergent thinking.
  • To test if manipulating dopamine activity alters the association between openness and creativity.

Main Methods:

  • A placebo-controlled, between-subjects study with 193 healthy male volunteers.
  • Participants received either a dopamine-receptor blocker (sulpiride) or a placebo.
  • Divergent thinking tasks were administered to assess creativity.

Main Results:

  • An interaction effect was observed: openness to experience was positively associated with divergent thinking in the sulpiride group (r = 0.304) but not the placebo group (r = -0.002).
  • Highly open individuals showed the highest divergent thinking scores after sulpiride administration.
  • Sulpiride selectively modulated divergent thinking based on openness levels.

Conclusions:

  • This study provides novel evidence for a link between dopamine activity, openness to experience, and divergent thinking.
  • Dopamine manipulation can influence the expression of creativity as a function of personality traits.
  • Further research is warranted to explore the precise mechanisms underlying these findings.