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词汇识别即词汇的意义获得。作为一种独特的电生理研究手段,事件相关电位(Event-related potentials,简称ERP)对词汇识别的研究为揭示语言加工的脑机制提供了直观的证据。该文介绍了对词汇识别敏感的N400、RP、PMN等脑电成分,从词汇通达和词汇歧义消解两个角度出发,对比了关于词汇通达中形、音的作用以及词汇歧义消解中语境作用等问题的不同观点。在此基础上,分析总结了ERP研究词汇识别的特点,提出了有待于研究的问题。
Vocabulary recognition is the meaning of vocabulary acquisition. As a unique electrophysiological research tool, the study of vocabulary recognition by Event-related potentials (ERP) provides visual evidence for revealing the brain mechanism of language processing. This paper introduces the EEG components, such as N400, RP and PMN, which are sensitive to vocabulary recognition. From the perspectives of vocabulary accessibility and vocabulary disambiguation, this paper compares the role of context and tone in vocabulary accessibility and the contextual effect of disambiguation Different views of other issues. On this basis, the characteristics of vocabulary recognition in ERP research are summarized and the problems to be studied are put forward.