Tracking the temporal dynamics of the processing of phonetic and semantic radicals in Chinese character recognition by MEG

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Title:	Tracking the temporal dynamics of the processing of phonetic and semantic radicals in Chinese character recognition by MEG
Authors:	洪蘭;Hung, Yi-hui;Hung, Daisy L.;Tzeng, Ovid J.-L.;Wu, Denise H.
Contributors:	生醫理工學院認知神經科學研究所
Keywords:	Homophone judgment;Magnetoencephalographic recording;Priming paradigm;Radical repetition effect;Synonym judgment
Date:	2014-01-01
Issue Date:	2026-04-23 14:46:31 (UTC+8)
Publisher:	Elsevier BV;Elsevier Ltd
Abstract:	摘要： The majority of Chinese characters are composed of a semantic and a phonetic radical. Although pre-lexical involvement of the phonetic radical in Chinese character recognition has been established, there is little agreement on the contribution of the semantic radical. We used magnetoencephalography (MEG) to investigate the temporal dynamics of the priming effect elicited by repetition of phonetic and semantic radicals in the tasks of homophone and synonym judgment, respectively. The behavioral results revealed robust priming induced by both kinds of radicals. As for the MEG results, the repetition effect of phonetic radicals was obtained in the M170, M250 and M350 components. However, the repetition effect of semantic radicals was only marginally interactive with other variables in the M170, M350 and M450 components. The present findings suggest that phonetic radicals play a predominant role in early lexical access and phonological computation of Chinese character recognition, while semantic radicals have relatively weak effect on lexical access and semantic retrieval. •How sub-lexical radicals affect Chinese character recognition was studied with MEG.•Repetition priming caused by phonetic radicals was found in M170, M250, and M350.•Repetition priming caused by semantic radicals was marginal in M170, M350, and M450.•Phonetic radials predominate in early lexical access and phonological retrieval.•Semantic radicals have relatively weak effect on lexical access and semantic retrieval. 出版者： Elsevier Ltd 出版日期： 2014-05-01 出處： Journal of neurolinguistics, 2014-05, Vol.29, p.42-65 版權： 2014 Elsevier Ltd 識別號： ISSN: 0911-6044 識別號： EISSN: 1873-8052 識別號： DOI: 10.1016/j.jneuroling.2013.12.003
Appears in Collections:	[College of Science Institute of Cognitive Neuroscience] journal & Dissertation

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