Brain mechanism of Stroop interference effect in Chinese characters

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	Brain mechanism of Stroop interference effect in Chinese characters
	Qiu, J ; Luo, YJ; Wang, QH ; Zhang, FH ; Zhang, QL ; J. Qiu
摘要	Event-related brain potentials were measured when 11 healthy Chinese subjects finished Chinese Characters Stroop tasks. The behavioral data showed that the Stroop task yielded a robust Stroop interference effect as indexed by longer RT for incongruent than congruent color words. Scalp ERP analysis revealed the neurophysiological substrate of the interference effect: a greater negativity in the incongruent as compared to the congruent was found between 350 and 550 ms poststimulus over midline fronto-central scalp regions. Dipole source analysis (BESA software) of the difference wave (incongruent-congruent) indicated that a generator localized in prefrontal cortex (PFC) contributed to this effect, possibly related to conflict processing and response selection. The results provided electrophysiologic evidences of the brain and cognitive mechanism of Stroop interference effect in Chinese characters and suggested that the difference between Chinese characters and English words had influence on temporal patterns of the Stroop interference effect.; Event-related brain potentials were measured when 11 healthy Chinese subjects finished Chinese Characters Stroop tasks. The behavioral data showed that the Stroop task yielded a robust Stroop interference effect as indexed by longer RT for incongruent than congruent color words. Scalp ERP analysis revealed the neurophysiological substrate of the interference effect: a greater negativity in the incongruent as compared to the congruent was found between 350 and 550 ms poststimulus over midline fronto-central scalp regions. Dipole source analysis (BESA software) of the difference wave (incongruent-congruent) indicated that a generator localized in prefrontal cortex (PFC) contributed to this effect, possibly related to conflict processing and response selection. The results provided electrophysiologic evidences of the brain and cognitive mechanism of Stroop interference effect in Chinese characters and suggested that the difference between Chinese characters and English words had influence on temporal patterns of the Stroop interference effect. (c) 2005 Elsevier B.V. All rights reserved.
关键词	Stroop effect cognitive control event-related brain potential
学科领域	认知神经科学
	2006-02-09
语种	英语
发表期刊	BRAIN RESEARCH
ISSN	0006-8993
卷号	1072 期号:1 页码:186-193
期刊论文类型	Article
收录类别	SCI
WOS记录号	WOS:000236051900021
引用统计	被引频次：70[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/311026/5233
专题	中国科学院心理研究所回溯数据库(1956-2010)
通讯作者	J. Qiu
作者单位	1.SW Univ, Sch Psychol, Chongqing 400715, Peoples R China 2.Beijing Normal Univ, State Key Lab Cognit Neurosci & Learning, Beijing 100875, Peoples R China 3.Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China
推荐引用方式 GB/T 7714	Qiu, J,Luo, YJ,Wang, QH,et al. Brain mechanism of Stroop interference effect in Chinese characters[J]. BRAIN RESEARCH,2006,1072(1):186-193.
APA	Qiu, J,Luo, YJ,Wang, QH,Zhang, FH,Zhang, QL,&J. Qiu.(2006).Brain mechanism of Stroop interference effect in Chinese characters.BRAIN RESEARCH,1072(1),186-193.
MLA	Qiu, J,et al."Brain mechanism of Stroop interference effect in Chinese characters".BRAIN RESEARCH 1072.1(2006):186-193.

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