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Why do interracial interactions impair executive function? A resource depletion account.

Jennifer A Richeson1, Sophie Trawalter1

  • 1Department of Psychological and Brain Sciences, Dartmouth College.

Journal of Personality and Social Psychology
|June 29, 2005
PubMed
Summary
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Interracial interactions deplete self-regulatory resources, impairing cognitive performance. Reducing these demands after interracial contact improved cognitive functioning, supporting the resource depletion theory.

Area of Science:

  • Social Psychology
  • Cognitive Psychology
  • Intergroup Relations

Background:

  • Interracial interactions can pose unique self-regulatory challenges.
  • Previous research suggests cognitive impairments following interracial contact.
  • The underlying mechanisms of these impairments require further investigation.

Purpose of the Study:

  • To test the resource depletion account of cognitive impairment after interracial contact.
  • To examine how varying self-regulatory demands in interracial interactions affect cognitive performance.
  • To differentiate the effects of interracial versus same-race interactions on cognitive resources.

Main Methods:

  • Three studies involved White participants engaging in either interracial or same-race interactions.

Related Experiment Videos

  • Participants completed a Stroop color-naming test to assess inhibitory task performance.
  • Self-regulatory demands of the interactions were manipulated (increased or decreased).

    • Main Results:

    • Increased self-regulatory demands in interracial interactions led to greater Stroop interference.
    • Decreased self-regulatory demands in interracial interactions led to less Stroop interference.
    • Self-regulatory demand manipulations did not impact Stroop performance after same-race interactions.

    Conclusions:

    • Resource depletion is a likely mechanism for impaired cognitive functioning after interracial interactions.
    • The cognitive costs of interracial contact are influenced by the interaction's self-regulatory demands.
    • Findings highlight the role of self-regulation in managing intergroup encounters and maintaining cognitive performance.