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Neuroimage. 2013 Aug 15;77:70-6. doi: 10.1016/j.neuroimage.2013.01.074. Epub 2013 Apr 1.

Interaction between the electrical stimulation of a face-selective area and the perception of face stimuli.

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1
Yonsei University, Republic of Korea. scchong@yonsei.ac.kr

Abstract

We electrically stimulated the face-selective area in epileptic patients while they were performing a face-categorization task. Face categorization was interfered by electrical stimulation but was restored by increasing the visual signal. More importantly, face-categorization interference by electrical stimulation was confined to face-selective electrodes, and the amount of interference was positively correlated with the sensitivity of the face-selective electrodes. These results strongly support the hypothesis that the face-selective area has a direct causal link to face perception.

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