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

Lipp, O. V., Mallan, K. M., Martin, F. H., Terry, D. J., & Smith, J. R. (2011) Electro-cortical implicit race bias does not vary with participants' race or sex. Social Cognitive and Affective Neuroscience, 6(5), pp. 591-601.

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Abstract

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; 350–700 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 participant's or poser's race and is not confined to a particular cultural context.

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ID Code: 48687
Item Type: Journal Article
Keywords: race bias, EEG, ERP, event related potentials
DOI: 10.1093/scan/nsq089
ISSN: 1749-5016
Subjects: Australian and New Zealand Standard Research Classification > PSYCHOLOGY AND COGNITIVE SCIENCES (170000) > PSYCHOLOGY (170100) > Biological Psychology (Neuropsychology Psychopharmacology Physiological Psychology) (170101)
Australian and New Zealand Standard Research Classification > PSYCHOLOGY AND COGNITIVE SCIENCES (170000) > PSYCHOLOGY (170100) > Social and Community Psychology (170113)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Exercise & Nutrition Sciences
Copyright Owner: Copyright 2011 Oxford University Press
Copyright Statement: This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Social Cognitive and Affective Neuroscience following peer review. The definitive publisher-authenticated version: Lipp, O. V., Mallan, K. M., Martin, F. H., Terry, D. J., & Smith, J. R. (2011) Electro-cortical implicit race bias does not vary with participants' race or sex. Social Cognitive and Affective Neuroscience, 6(5), pp. 591-601. is available online at: http://scan.oxfordjournals.org/content/6/5/591
Deposited On: 16 Feb 2012 08:42
Last Modified: 16 Feb 2012 08:42

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