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Cardiac afferent activity modulates the expression of racial stereotypes

Azevedo, Ruben T., Garfinkel, Sarah N., Critchley, Hugo D., Tsakiris, Manos (2017) Cardiac afferent activity modulates the expression of racial stereotypes. Nature Communications, 8 . p. 13854. ISSN 2041-1723. (doi:10.1038/ncomms13854)

Abstract

Negative racial stereotypes tend to associate Black people with threat. This often leads to the misidentification of harmless objects as weapons held by a Black individual. Yet, little is known about how bodily states impact the expression of racial stereotyping. By tapping into the phasic activation of arterial baroreceptors, known to be associated with changes in the neural processing of fearful stimuli, we show activation of race-threat stereotypes synchronized with the cardiovascular cycle. Across two established tasks, stimuli depicting Black or White individuals were presented to coincide with either the cardiac systole or diastole. Results show increased race-driven misidentification of weapons during systole, when baroreceptor afferent firing is maximal, relative to diastole. Importantly, a third study examining the positive Black-athletic stereotypical association fails to demonstrate similar modulations by cardiac cycle. We identify a body–brain interaction wherein interoceptive cues can modulate threat appraisal and racially biased behaviour in context-dependent ways.

Item Type: Article
DOI/Identification number: 10.1038/ncomms13854
Divisions: Faculties > Social Sciences > School of Psychology
Depositing User: Ruben Azevedo
Date Deposited: 08 May 2019 17:05 UTC
Last Modified: 03 Jun 2019 09:47 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/73809 (The current URI for this page, for reference purposes)
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