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Beta oscillations relate to the N400m during language comprehension
Wang, Lin1,2,3; Jensen, Ole2; van den Brink, Danielle2; Weder, Nienke2; Schoffelen, Jan-Mathijs2; Magyari, Lilla1; Hagoort, Peter1,2; Bastiaansen, Marcel1,2; Bastiaansen, M (reprint author), Max Planck Inst Psycholinguist, POB 310, NL-6500 AH Nijmegen, Netherlands.
2012-12-01
发表期刊HUMAN BRAIN MAPPING
ISSN1065-9471
文章类型Article
卷号33期号:12页码:2898-2912
产权排序1
摘要The relationship between the evoked responses (ERPs/ERFs) and the event-related changes in EEG/MEG power that can be observed during sentence-level language comprehension is as yet unclear. This study addresses a possible relationship between MEG power changes and the N400m component of the event-related field. Whole-head MEG was recorded while subjects listened to spoken sentences with incongruent (IC) or congruent (C) sentence endings. A clear N400m was observed over the left hemisphere, and was larger for the IC sentences than for the C sentences. A timefrequency analysis of power revealed a decrease in alpha and beta power over the left hemisphere in roughly the same time range as the N400m for the IC relative to the C condition. A linear regression analysis revealed a positive linear relationship between N400m and beta power for the IC condition, not for the C condition. No such linear relation was found between N400m and alpha power for either condition. The sources of the beta decrease were estimated in the LIFG, a region known to be involved in semantic unification operations. One source of the N400m was estimated in the left superior temporal region, which has been related to lexical retrieval. We interpret our data within a framework in which beta oscillations are inversely related to the engagement of task-relevant brain networks. The source reconstructions of the beta power suppression and the N400m effect support the notion of a dynamic communication between the LIFG and the left superior temporal region during language comprehension. Hum Brain Mapp 33:2898-2912, 2012. (c) 2012 Wiley Periodicals, Inc.
关键词language comprehension semantic violation MEG ERF N400m beta oscillations
学科领域Psycholinguistics
收录类别SCI
语种英语
WOS记录号WOS:000310798800012
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文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/11421
专题认知与发展心理学研究室
通讯作者Bastiaansen, M (reprint author), Max Planck Inst Psycholinguist, POB 310, NL-6500 AH Nijmegen, Netherlands.
作者单位1.Max Planck Inst Psycholinguist, NL-6500 AH Nijmegen, Netherlands
2.Radboud Univ Nijmegen, Ctr Cognit Neuroimaging, Donders Inst Brain Cognit & Behav, Nijmegen, Netherlands
3.Chinese Acad Sci, Inst Psychol, Beijing 100101, Peoples R China
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Wang, Lin,Jensen, Ole,van den Brink, Danielle,et al. Beta oscillations relate to the N400m during language comprehension[J]. HUMAN BRAIN MAPPING,2012,33(12):2898-2912.
APA Wang, Lin.,Jensen, Ole.,van den Brink, Danielle.,Weder, Nienke.,Schoffelen, Jan-Mathijs.,...&Bastiaansen, M .(2012).Beta oscillations relate to the N400m during language comprehension.HUMAN BRAIN MAPPING,33(12),2898-2912.
MLA Wang, Lin,et al."Beta oscillations relate to the N400m during language comprehension".HUMAN BRAIN MAPPING 33.12(2012):2898-2912.
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