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题名:
Temporal and spectral profiles of stimulus-stimulus and stimulus-response conflict processing
作者: Wang, Kai1,2; Li, Qi(李琦)1; Zheng, Ya1,2,3; Wang, Hongbin4; Liu, Xun(刘勋)1
文章类型: Article
刊名: NEUROIMAGE
ISSN号: 1053-8119
出版日期: 2014-04-01
卷号: 89, 期号:0, 页码:280-288
收录类别: SCI
英文摘要: The ability to detect and resolve conflict is an essential function of cognitive control. Laboratory studies often use stimulus-response-compatibility (SRC) tasks to examine conflict processing in order to elucidate the mechanism and modular organization of cognitive control. Inspired by two influential theories regarding cognitive control, the conflict monitoring theory (Botvinick, Braver, Barch, Carter, & Cohen, 2001) and dimensional overlap taxonomy (Kornblum, Hasbroucq, & Osman, 1990), we explored the temporal and spectral similarities and differences between processing of stimulus-stimulus (S-S) and stimulus-response (S-R) conflicts with event related potential (ERP) and time-frequency measures. We predicted that processing of S-S conflict starts earlier than that of S-R conflict and that the two types of conflict may involve different frequency bands. Participants were asked to perform two parallel SRC tasks, both combining the Stroop task (involving S-S conflict) and Simon task (involving S-R conflict). ERP results showed pronounced SRC effects (incongruent vs. congruent) on N2 and P3 components for both S-S and S-R conflicts. In both tasks, SRC effects of S-S conflict took place earlier than those of S-R conflict. Time-frequency analysis revealed that both types of SRC effects modulated theta and alpha bands, while S-R conflict effects additionally modulated power in the beta band. These results indicated that although S-S and S-R conflict processing shared considerable ERP and time-frequency properties, they differed in temporal and spectral dynamics. We suggest that the modular organization of cognitive control should take both commonality and distinction of S-S and S-R conflict processing into consideration. (c) 2013 Elsevier Inc. All rights reserved.
语种: 英语
WOS记录号: WOS:000332057400026
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.psych.ac.cn/handle/311026/14215
Appears in Collections:中国科学院行为科学重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Psychol, Key Lab Behav Sci, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Dalian Med Univ, Dept Psychol, Liaoning, Peoples R China
4.Univ Texas Houston, Hlth Sci Ctr, Houston, TX USA

Recommended Citation:
Wang, Kai,Li, Qi,Zheng, Ya,et al. Temporal and spectral profiles of stimulus-stimulus and stimulus-response conflict processing[J]. NEUROIMAGE,2014,89(0):280-288.
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