语言认知加工过程中的早期皮层电位被引量：14

THE EARLY EVENT-RELATED POTENTIALS IN THE COGNITIVE PROCESSING OF LANGUAGE

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摘要在一项通过事件相关电位的N40 0考察双语者的语义表征的实验研究中 ,我们偶然发现两个早期成分与语言语义和形式认知加工相关。一个是在 140毫秒左右达到峰顶的负波 (N140 ) ,另一个是在 190毫秒左右达到峰顶的正波 (P190 )。前者反映了被试对语义的初级分类与评价的神经认知过程 ;后者则反映了对语言形态的加工过程。 In an ERP experiment to approach bilingual semantic representation through N400 component, we found accidentally two early potentials that were related to semantic and lexical processing. One was the negative potential peaking around 140 ms(N140), the other the positive potential peaking around 190 ms (P190). The former reflected the cognitive neural process of initial semantic distinction and evaluation, and the latter reflected the course of lexical processing.

作者李荣宝彭聃龄王春茂

机构地区福建师范大学外语学院北京师范大学心理系中国科学院心理研究所

出处《心理科学》 CSSCI CSCD 北大核心 2001年第6期667-672,653,共7页 Journal of Psychological Science

基金北京师范大学心理系完成并得到第二作者国家重点基础研究规划项目 (G19990 5 40 0 0 )的资助

关键词语言认知加工过程早期皮层电位事件相关电位语言语义语言形式语言关系 event-related potentials, semantic unit, lexical unit.

分类号 B844.1 [哲学宗教—发展与教育心理学]

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