Title: Stepwise emergence of the face-sensitive N170 event-related potential component
Authors: Jemel, Boutheina ×
Schuller, Anne-Marie
Cheref-Khan, Yasémine
Goffaux, Valérie
Crommelinck, Marc
Bruyer, Raymond #
Issue Date: Nov-2003
Publisher: Rapid Communications of Oxford Ltd.
Series Title: Neuroreport vol:14 issue:16 pages:2035-2039
Abstract: The present study used a parametric design to characterize early event-related potentials (ERP) to face stimuli embedded in gradually decreasing random noise levels. For both N170 and the vertex positive potential (VPP) there was a linear increase in amplitude and decrease in latency with decreasing levels of noise. In contrast, the earlier visual P1 component was stable across noise levels. The P1/N170 dissociation suggests not only a functional dissociation between low and high-level visual processing of faces but also that the N170 reflects the integration of sensorial information into a unitary representation. In addition, the N170/VPP association supports the view that they reflect the same processes operating when viewing faces.
ISSN: 0959-4965
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Non-KU Leuven Association publications
× corresponding author
# (joint) last author

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