Does N200 Reflect Semantic Processing?-An ERP Study on Chinese Visual Word Recognition

	Does N200 Reflect Semantic Processing?-An ERP Study on Chinese Visual Word Recognition
	Du, Yingchun1 ; Zhang, Qin 2; Zhang, John X.3
摘要	Recent event-related potential research has reported a N200 response or a negative deflection peaking around 200 ms following the visual presentation of two-character Chinese words. This N200 shows amplitude enhancement upon immediate repetition and there has been preliminary evidence that it reflects orthographic processing but not semantic processing. The present study tested whether this N200 is indeed unrelated to semantic processing with more sensitive measures, including the use of two tasks engaging semantic processing either implicitly or explicitly and the adoption of a within-trial priming paradigm. In Exp. 1, participants viewed repeated, semantically related and unrelated prime-target word pairs as they performed a lexical decision task judging whether or not each target was a real word. In Exp. 2, participants viewed high-related, low-related and unrelated word pairs as they performed a semantic task judging whether each word pair was related in meaning. In both tasks, semantic priming was found from both the behavioral data and the N400 ERP responses. Critically, while repetition priming elicited a clear and large enhancement on the N200 response, semantic priming did not show any modulation effect on the same response. The results indicate that the N200 repetition enhancement effect cannot be explained with semantic priming and that this specific N200 response is unlikely to reflect semantic processing.
	2014-03-12
语种	英语
发表期刊	PLOS ONE
ISSN	1932-6203
卷号	9 期号:3 页码:e70794
期刊论文类型	Article
收录类别	SCI
WOS记录号	WOS:000332845300029
引用统计	被引频次：22[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.psych.ac.cn/handle/311026/13729
专题	中国科学院行为科学重点实验室
作者单位	1.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China 2.Capital Normal Univ, Dept Psychol, Beijing, Peoples R China 3.Fudan Univ, Dept Psychol, Shanghai 200433, Peoples R China
第一作者单位	中国科学院行为科学重点实验室
推荐引用方式 GB/T 7714	Du, Yingchun,Zhang, Qin,Zhang, John X.. Does N200 Reflect Semantic Processing?-An ERP Study on Chinese Visual Word Recognition[J]. PLOS ONE,2014,9(3):e70794.
APA	Du, Yingchun,Zhang, Qin,&Zhang, John X..(2014).Does N200 Reflect Semantic Processing?-An ERP Study on Chinese Visual Word Recognition.PLOS ONE,9(3),e70794.
MLA	Du, Yingchun,et al."Does N200 Reflect Semantic Processing?-An ERP Study on Chinese Visual Word Recognition".PLOS ONE 9.3(2014):e70794.

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