Stepwise emergence of the face-sensitive N170 event-related potential component.

  title={Stepwise emergence of the face-sensitive N170 event-related potential component.},
  author={Boutheina Jemel and Anne-Marie Schuller and Yas{\'e}mine Cheref-Khan and Val{\'e}rie Goffaux and Marc Crommelinck and Raymond Bruyer},
  volume={14 16},
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… CONTINUE READING
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