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Electro-cortical implicit race bias does not vary with participants' race or sex


Lipp, OV and Mallan, KM and Martin, F and Terry, DJ and Smith, JR, Electro-cortical implicit race bias does not vary with participants' race or sex, Social Cognitive and Affective Neuroscience, 6, (5) pp. 591-601 . ISSN 1749-5024 (2010) [Refereed Article]

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DOI: doi:10.1093/scan/nsq089


Earlier research found evidence for electro-cortical race bias towards black target faces in white American participants irrespective of the task relevance of race. The present study investigated whether an implicit race bias generalizes across cultural contexts and racial in- and out-groups. An Australian sample of 56 Chinese and Caucasian males and females completed four oddball tasks that required sex judgements for pictures of male and female Chinese and Caucasian posers. The nature of the background (across task) and of the deviant stimuli (within task) was fully counterbalanced. Event-related potentials (ERPs) to deviant stimuli recorded from three midline sites were quantified in terms of mean amplitude for four components: N1, P2, N2 and a late positive complex (LPC; 350Ė700 ms). Deviants that differed from the backgrounds in sex or race elicited enhanced LPC activity. These differences were not modulated by participant race or sex. The current results replicate earlier reports of effects of poser race relative to background race on the LPC component of the ERP waveform. In addition, they indicate that an implicit race bias occurs regardless of participantís or poserís race and is not confined to a particular cultural context.

Item Details

Item Type:Refereed Article
Keywords:race bias event related brain potentials implicit race bias
Research Division:Psychology
Research Group:Biological psychology
Research Field:Behavioural neuroscience
Objective Division:Expanding Knowledge
Objective Group:Expanding knowledge
Objective Field:Expanding knowledge in psychology
UTAS Author:Martin, F (Associate Professor Frances Martin)
ID Code:66448
Year Published:2010
Web of Science® Times Cited:4
Deposited By:Psychology
Deposited On:2011-01-25
Last Modified:2011-11-03

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