Time Course of Two-character Nouns Recognition in Mandarin Chinese:Based on an ERP Study Using the Task of Unimodal Visual Word Form Matching
Written word recognition forms the basis for reading,yet the time course involved in processing various information of two-character Chinese nouns under specific experimental task is not very clear. Using the task of unimodal visual word form matching,it was found that in the early stage of recognition(～130-230ms),the difference or character mismatch between target words and initial words elicited an enhanced anteriorly distributed P2,which was not modulated by the semantic variable,and mainly reflected the processing of orthographic information. In the N400 time window,the target words in the unrelated condition elicited a more negatively going brain waveform distributed in the parietal region than the target words in the semantically related condition. These findings suggest that the semantic representation of the visual words could be activated automatically in the stage of N400,even when semantic processing is not explicitly required. The time course of two-character nouns recognition is limited within a clear time window from P2 to N400.
word form matchingtime coursetwo-character nounERP
万方数据
