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Updated: Aug 30, 2026

Conscious and Non-conscious Representations of Emotional Faces in Asperger's Syndrome
Published on: July 31, 2016
Event-related potentials reflect impaired face recognition in patients with congenital prosopagnosia
1Institute of Cognitive Neuroscience, Department of Neuropsychology, Ruhr-University of Bochum, Universitaetsstrasse 150, 44780 Bochum, Germany. thomas.kress@ruhr-uni-bochum.de
Abstract:
Event-related brain potentials (ERPs) to faces have been shown to be altered in patients suffering from prosopagnosia. In this report we present ERP findings from two patients suffering from a congenital form of prosopagnosia, with other visual and cognitive functions being spared and without any structural abnormalities as assessed by anatomical brain imaging. Subjects were presented with photographs of faces and houses, and they had to respond to photographs of hands. Both patients did not show a difference in N170 amplitude to faces compared to houses, whereas there was a significant N170 difference of these two stimulus classes in healthy control subjects.
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