An earlier component of face perception detected by seeing-as-face task

Yutaka Kato, Taro Muramatsu, Motoichiro Kato, Masuro Shintani, Fumihiro Yoshino, Masaki Shimono, Tatsuya Ishikawa

研究成果: Article査読

4 被引用数 (Scopus)

抄録

To investigate the time sequence of the neural processes underlying face perception, magnetoencephalography was performed using a seeing-as-face task, in which visual inputs were identical across two conditions, but subject perceptions differed: one being a non-specific pattern of geographical shapes, the other being a percept of a face. Subtraction between the two conditions revealed a response occurring 120 ms after stimulus onset in right occipital, ∼50 ms earlier than previously reported response at a latency of 170 ms at the right fusiform gyrus. As our novel task completely excluded differences in low-level properties of visual stimuli between control and face conditions, these two responses were considered specific to face perception. The result supported the two-stage theory of face processing.

本文言語English
ページ(範囲)225-229
ページ数5
ジャーナルNeuroReport
15
2
DOI
出版ステータスPublished - 2004 2月 9

ASJC Scopus subject areas

  • 神経科学一般

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