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Neuroreport. 2013 Jun 19;24(9):482-6. doi: 10.1097/WNR.0b013e328361cf08.

P1 and N170 components distinguish human-like and animal-like makeup stimuli.

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School of Psychology, Southwest University, Chongqing, China.


This study used event-related potentials to investigate the sensitivity of P1 and N170 components to human-like and animal-like makeup stimuli, which were derived from pictures of Peking opera characters. As predicted, human-like makeup stimuli elicited larger P1 and N170 amplitudes than did animal-like makeup stimuli. Interestingly, a right hemisphere advantage was observed for human-like but not for animal-like makeup stimuli. Dipole source analyses of 130-200-ms window showed that the bilateral fusiform face area may contribute to the differential sensitivity of the N170 component in response to human-like and animal-like makeup stimuli. The present study suggests that the amplitudes of both the P1 and the N170 are sensitive for the mouth component of face-like stimuli.

[Indexed for MEDLINE]

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