According to Chen's theory,topological differences are perceived faster than feature differences in early visual perception.We hypothesized that topological perception is caused by the sensitivity in discriminatin...According to Chen's theory,topological differences are perceived faster than feature differences in early visual perception.We hypothesized that topological perception is caused by the sensitivity in discriminating figures with and without"holes".An ERP experiment was conducted utilizing a passive paradigm to investigate the differences in perceiving figures with"hole"and with"no-hole".The results showed differences in N170 components between figures with"holes"and with"no-holes".The inversion of the"hole"could influence the latency of N170,but the inversion of the"no-hole"could not,which indicated that global features are processed first in the"hole"perception whilst local features are given priority to the"no-hole"perception.This result was similar to studies concerning face and non-face objects,suggesting a configural processing of the"hole".展开更多
基金Supported by the National Basic Research Program of China(Grant No.2005CB522800)the National High Technology Research and Development Program of China(Grant No.2006AA01Z129)the Research Fund of Yunnan University(Grant No.KL080012)
文摘According to Chen's theory,topological differences are perceived faster than feature differences in early visual perception.We hypothesized that topological perception is caused by the sensitivity in discriminating figures with and without"holes".An ERP experiment was conducted utilizing a passive paradigm to investigate the differences in perceiving figures with"hole"and with"no-hole".The results showed differences in N170 components between figures with"holes"and with"no-holes".The inversion of the"hole"could influence the latency of N170,but the inversion of the"no-hole"could not,which indicated that global features are processed first in the"hole"perception whilst local features are given priority to the"no-hole"perception.This result was similar to studies concerning face and non-face objects,suggesting a configural processing of the"hole".
