Semantic processing of Chinese in left inferior prefrontal cortex studied with reversible words

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	Semantic processing of Chinese in left inferior prefrontal cortex studied with reversible words
	Zhang, JX; Zhuang, J ; Ma, LF ; Yu, W ; Peng, DL ; Ding, GS ; Zhang, ZQ ; Weng, XC; J. X. Zhang
摘要	This study utilized fast event-related fMRI with reversible words to examine the role of left inferior prefrontal cortex (PFC) in semantic processing of Chinese. As a special linguistic phenomenon in Chinese, a reversible word is a two-character word (AB) that, when read from right to left (BA), opposite to the normal left to right reading direction, is also a real word. The two words, AB and BA, can have very different meanings. Fourteen native Chinese saw a reversible word (BA) and were asked to read it backward silently to obtain the meaning of AB, defined as the target meaning. They then saw two test words and decided which of the two was semantically related to the target meaning. Activity in a subregion of BA47 was found to be modulated by the extent to which irrelevant semantic activation of the distractor word BA interfered with semantic retrieval of the target word AB. This finding demonstrated the involvement of the left inferior PFC in the control processes of semantic retrieval in Chinese. In addition, comparing conditions using reversible with that using nonreversible words, we found evidence suggesting a semantic/phonological functional subdivision in left inferior PFC, consistent with that in English.; This study utilized fast event-related fMRI with reversible words to examine the role of left inferior prefrontal cortex (PFC) in semantic processing of Chinese. As a special linguistic phenomenon in Chinese, a reversible word is a two-character word (AB) that, when read from right to left (BA), opposite to the normal left to right reading direction, is also a real word. The two words, AB and BA, can have very different meanings. Fourteen native Chinese saw a reversible word (BA) and were asked to read it backward silently to obtain the meaning of AB, defined as the target meaning. They then saw two test words and decided which of the two was semantically related to the target meaning. Activity in a subregion of BA47 was found to be modulated by the extent to which irrelevant semantic activation of the distractor word BA interfered with semantic retrieval of the target word AB. This finding demonstrated the involvement of the left inferior PFC in the control processes of semantic retrieval in Chinese. In addition, comparing conditions using reversible with that using nonreversible words, we found evidence suggesting a semantic/phonological functional subdivision in left inferior PFC, consistent with that in English. (C) 2004 Elsevier Inc. All rights reserved.
关键词	semantic retrieval executive control phonological processing fMRI
学科领域	心理语言学 ; 认知神经科学
	2004-11-01
语种	英语
发表期刊	NEUROIMAGE
ISSN	1053-8119
卷号	23 期号:3 页码:975-982
期刊论文类型	Article
收录类别	SCI ; SSCI
WOS记录号	WOS:000225254100020
引用统计	被引频次：33[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/311026/5681
专题	中国科学院心理研究所回溯数据库(1956-2010)
通讯作者	J. X. Zhang
作者单位	1.Univ Hong Kong, Dept Linguist, Hong Kong, Hong Kong, Peoples R China 2.Chinese Acad Sci, Inst Psychol, Lab Higher Brain Funct, Beijing 100101, Peoples R China 3.Anzhen Hosp, Beijing, Peoples R China 4.Beijing Normal Univ, Inst Cognit Neurosci & Learning, Beijing 100875, Peoples R China
推荐引用方式 GB/T 7714	Zhang, JX,Zhuang, J,Ma, LF,et al. Semantic processing of Chinese in left inferior prefrontal cortex studied with reversible words[J]. NEUROIMAGE,2004,23(3):975-982.
APA	Zhang, JX.,Zhuang, J.,Ma, LF.,Yu, W.,Peng, DL.,...&J. X. Zhang.(2004).Semantic processing of Chinese in left inferior prefrontal cortex studied with reversible words.NEUROIMAGE,23(3),975-982.
MLA	Zhang, JX,et al."Semantic processing of Chinese in left inferior prefrontal cortex studied with reversible words".NEUROIMAGE 23.3(2004):975-982.

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