The neural substrates of in-hroup bias: A functional magnetic resonance imaging investigation: Research article

Jay Van Bavel, Dominic J. Packer, William A. Cunningham

Research output: Contribution to journalArticle

Abstract

Classic minimal-group studies found that people arbitrarily assigned to a novel group quickly display a range of perceptual, affective, and behavioral in-group biases. We randomly assigned participants to a mixed-race team and used functional magnetic resonance imaging to identify brain regions involved in processing novel in-group and out-group members independently of preexisting attitudes, stereotypes, or familiarity. Whereas previous research on intergroup perception found amygdala activity - typically interpreted as negativity - in response to stigmatized social groups, we found greater activity in the amygdala, fusiform gyri, orbitofrontal cortex, and dorsal striatum when participants viewed novel in-group faces than when they viewed novel out-group faces. Moreover, activity in orbitofrontal cortex mediated the in-group bias in self-reported liking for the faces. These in-group biases in neural activity were not moderated by race or by whether participants explicitly attended to team membership or race, a finding suggesting that they may occur automatically. This study helps clarify the role of neural substrates involved in perceptual and affective in-group biases.

Original languageEnglish (US)
Pages (from-to)1131-1139
Number of pages9
JournalPsychological Science
Volume19
Issue number11
DOIs
StatePublished - Nov 2008

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Magnetic Resonance Imaging
Amygdala
Prefrontal Cortex
Research
Temporal Lobe
Brain
Recognition (Psychology)

ASJC Scopus subject areas

  • Psychology(all)
  • Medicine(all)

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The neural substrates of in-hroup bias : A functional magnetic resonance imaging investigation: Research article. / Van Bavel, Jay; Packer, Dominic J.; Cunningham, William A.

In: Psychological Science, Vol. 19, No. 11, 11.2008, p. 1131-1139.

Research output: Contribution to journalArticle

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