ERP effects of listening to speech: semantic ERP effects

被引：203

作者：

Hagoort, P ^{[1
]}

Brown, CM ^{[1
]}

机构：

[1] Max Planck Inst Psycholinguist, NL-6525 XD Nijmegen, Netherlands

来源：

NEUROPSYCHOLOGIA | 2000年 / 38卷 / 11期

关键词：

N400; N250; natural speech; electrophysiology; lexical selection; lexical integration;

D O I：

10.1016/S0028-3932(00)00052-X

中图分类号：

B84 [心理学]; C [社会科学总论]; Q98 [人类学];

学科分类号：

03 ; 0303 ; 030303 ; 04 ; 0402 ;

摘要：

In this study, event-related brain potential effects of speech processing are obtained and compared to similar effects in sentence reading. III two experiments spoken sentences were presented with semantic violations in sentence-final or mid-sentence positions. For these violations N400 effects were obtained that were very similar to N400 effects obtained in reading. However, the N400 effects in speech were preceded by an earlier negativity (N250). This negativity is not commonly observed with written input. The early effect is explained as a manifestation of a mismatch between the word forms expected on the basis of the context, and the actual cohort of activated word candidates that is generated on the basis of the speech signal. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

页码：1518 / 1530

页数：13

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