Evaluative vs. trait representation in intergroup social judgments: Distinct roles of anterior temporal lobe and prefrontal cortex

Sam J. Gilbert, Jillian K. Swencionis, David M. Amodio

Research output: Contribution to journalArticle

Abstract

When interacting with someone from another social group, one's responses may be influenced by both stereotypes and evaluations. Given behavioral results suggesting that stereotypes and evaluative associations operate independently, we used fMRI to test whether these biases are mediated by distinct brain systems. White participants viewed pairs of Black or White faces and judged them based on an evaluation (who would you befriend?) or a stereotype-relevant trait (who is more likely to enjoy athletic activities?). Multi-voxel pattern analysis revealed that a predominantly occipital network represented race in a context-invariant manner. However, lateral orbitofrontal cortex preferentially represented race during friendship judgments, whereas anterior medial prefrontal cortex preferentially represented race during trait judgments. Furthermore, representation of race in left temporal pole correlated with a behavioral measure of evaluative bias during friendship judgments and, independently, a measure of stereotyping during trait judgments. Whereas early sensory regions represent race in an apparently invariant manner, representations in higher-level regions are multi-componential and context-dependent.

Original languageEnglish (US)
Pages (from-to)3600-3611
Number of pages12
JournalNeuropsychologia
Volume50
Issue number14
DOIs
StatePublished - Dec 2012

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Temporal Lobe
Prefrontal Cortex
Stereotyping
Sports
Magnetic Resonance Imaging
Brain
Stereotypes
Friendship
Evaluation

Keywords

  • Bias
  • FMRI
  • MVPA
  • Orbitofrontal
  • Prefrontal
  • Stereotyping
  • Temporal pole

ASJC Scopus subject areas

  • Behavioral Neuroscience
  • Cognitive Neuroscience
  • Experimental and Cognitive Psychology
  • Arts and Humanities (miscellaneous)

Cite this

Evaluative vs. trait representation in intergroup social judgments : Distinct roles of anterior temporal lobe and prefrontal cortex. / Gilbert, Sam J.; Swencionis, Jillian K.; Amodio, David M.

In: Neuropsychologia, Vol. 50, No. 14, 12.2012, p. 3600-3611.

Research output: Contribution to journalArticle

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