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Integration or predictability? A further specification of the functional role of gamma oscillations in language comprehension
Wang, Lin1,2; Zhu, Zude3,4; Bastiaansen, Marcel1,4; Bastiaansen, M (reprint author), Max Planck Inst Psycholinguist, POB 310, NL-6500 AH Nijmegen, Netherlands.
2012
发表期刊FRONTIERS IN PSYCHOLOGY
ISSN1664-1078
文章类型Article
卷号3期号:1页码:187
产权排序2
摘要Gamma-band neuronal synchronization during sentence-level language comprehension has previously been linked with semantic unification. Here, we attempt to further narrow down the functional significance of gamma during language comprehension, by distinguishing between two aspects of semantic unification: successful integration of word meaning into the sentence context, and prediction of upcoming words. We computed event-related potentials (ERPs) and frequency band-specific electroencephalographic (EEG) power changes while participants read sentences that contained a critical word (CW) that was (1) both semantically congruent and predictable (high doze, HC), (2) semantically congruent but unpredictable (low cloze, LC), or (3) semantically incongruent (and therefore also unpredictable; semantic violation, SV). The ERR analysis showed the expected parametric N400 modulation (HC < LC < SV). The time-frequency analysis showed qualitatively different results. In the gamma-frequency range, we observed a power increase in response to the CW in the HC condition, but not in the LC and the SV conditions. Additionally, in the theta frequency range we observed a power increase in the SV condition only. Our data provide evidence that gamma power increases are related to the predictability of an upcoming word based on the preceding sentence context, rather than to the integration of the incoming word's semantics into the preceding context. Further, our theta band data are compatible with the notion that theta band synchronization in sentence comprehension might be related to the detection of an error in the language input.
关键词language comprehension prediction semantic unification neuronal oscillations network dynamics gamma theta EEG
学科领域Cognitive Psychology
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收录类别SSCI
语种英语
WOS记录号WOS:000208863900198
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文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/11866
专题中国科学院行为科学重点实验室
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.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China
3.S China Normal Univ, Ctr Study Appl Psychol, Guangzhou, Guangdong, Peoples R China
4.Radboud Univ Nijmegen, Donders Inst, Ctr Cognit Neuroimaging, NL-6525 ED Nijmegen, Netherlands
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Wang, Lin,Zhu, Zude,Bastiaansen, Marcel,et al. Integration or predictability? A further specification of the functional role of gamma oscillations in language comprehension[J]. FRONTIERS IN PSYCHOLOGY,2012,3(1):187.
APA Wang, Lin,Zhu, Zude,Bastiaansen, Marcel,&Bastiaansen, M .(2012).Integration or predictability? A further specification of the functional role of gamma oscillations in language comprehension.FRONTIERS IN PSYCHOLOGY,3(1),187.
MLA Wang, Lin,et al."Integration or predictability? A further specification of the functional role of gamma oscillations in language comprehension".FRONTIERS IN PSYCHOLOGY 3.1(2012):187.
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