Bindemann, Markus and Burton, A. Mike and Leuthold, Hartmut and Schweinberger, Stefan R. (2008) Brain potential correlates of face recognition: Geometric distortions and the N250r brain response to stimulus repetitions. Psychophysiology, 45 (4). pp. 535-544. ISSN 0048-5772.
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The N250r is an event-related potential that has been related to activation of image-independent representations of familiar faces during recognition. However, N250r also shows a degree of image specificity, with reduced activation across repetitions of different images of the same face compared to repetitions across the same image, suggesting a component that codes the visual overlap between two face images. This study investigated whether N250r is equally attenuated when horizontally or vertically stretched faces prime an unstretched image of the same face. The results confirm that N250r is larger across repetitions of the same face image than across different images of the same face. Despite this, N250r was equivalent for priming by the same face image and priming from stretched onto unstretched faces. This finding demonstrates that N250r does not simply reflect the superficial visual overlap between two face images and supports the notion that it is related to person recognition.
|Subjects:||B Philosophy. Psychology. Religion > BF Psychology|
|Divisions:||Faculties > Social Sciences > School of Psychology|
|Depositing User:||Markus Bindemann|
|Date Deposited:||05 Jan 2011 17:34|
|Last Modified:||06 Jan 2012 15:40|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/26201 (The current URI for this page, for reference purposes)|
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