Stepwise emergence of the face-sensitive N170 event-related potential component.
(2003) NeuroReport : for rapid communication of neuroscience research — Vol. 14, n° 16, p. 2035-2039 (2003)
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- 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.
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Jemel, B., Schuller, A.-M., Cheref-Khan, Y., Goffaux, V., Crommelinck, M., & Bruyer, R. (2003). Stepwise emergence of the face-sensitive N170 event-related potential component. NeuroReport : for rapid communication of neuroscience research, 14(16), 2035-2039. https://doi.org/10.1097/01.wnr.0000092465.31470.2f (Original work published 2003)