Electrophysiological correlates of proactive interference in the 'Recent Probes' verbal working memory task

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	Electrophysiological correlates of proactive interference in the 'Recent Probes' verbal working memory task
	Zhang, John X.2; Wu, Renhua 3,4; Kong, Lingyue 5; Weng, Xuchu1 ; Du, Yingchun1 ; Yingchun Du
摘要	Using event-related potentials (ERPs), the present study examined the temporal dynamics of proactive interference in working memory using a recent probes task. Participants memorized and retained a target set of four letters over a short retention interval. They then responded to a recognition probe by judging whether it was from the memory set. ERP waveforms elicited by positive probes compared to those from negative probes showed positive shifts in a fronto-central early N2 component and a parietal late positive component (LPC). The LPC was identified as the electrophysiological signature of proactive interference, as it differentiated between two types of negative probes defined based on whether they were recently encountered. These results indicate that the proactive interference we observed arises from a mismatch between familiarity and contextual information during recognition memory. When considered together with related studies in the literature, the results also suggest that there are different forms of proactive interference associated with different neural correlates. (c) 2010 Elsevier Ltd. All rights reserved.
关键词	Recognition Recent probes task Conceptual priming Event-related potentials Contextual information
学科领域	认知神经科学
	2010-06-01
语种	英语
发表期刊	NEUROPSYCHOLOGIA
ISSN	0028-3932
卷号	48 期号:7 页码:2167-2173
期刊论文类型	Article
收录类别	SCI
WOS记录号	WOS:000279023100031
引用统计	被引频次：12[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/311026/13670
专题	中国科学院心理研究所回溯数据库(1956-2010)
通讯作者	Yingchun Du
作者单位	1.Chinese Acad Sci, Inst Psychol, Lab Higher Brain Funct, Beijing 100101, Peoples R China 2.Chinese Univ Hong Kong, Dept Psychol, Hong Kong, Hong Kong, Peoples R China 3.Shantou Univ, Coll Med, Affiliated Hosp 2, Dept Med Imaging, Shantou, Peoples R China 4.Shantou Univ, Guangdong Prov Key Lab Med Mol Imaging, Shantou, Peoples R China 5.Peking Univ, Int Coll Chinese Language studies, Beijing 100871, Peoples R China
推荐引用方式 GB/T 7714	Zhang, John X.,Wu, Renhua,Kong, Lingyue,et al. Electrophysiological correlates of proactive interference in the 'Recent Probes' verbal working memory task[J]. NEUROPSYCHOLOGIA,2010,48(7):2167-2173.
APA	Zhang, John X.,Wu, Renhua,Kong, Lingyue,Weng, Xuchu,Du, Yingchun,&Yingchun Du.(2010).Electrophysiological correlates of proactive interference in the 'Recent Probes' verbal working memory task.NEUROPSYCHOLOGIA,48(7),2167-2173.
MLA	Zhang, John X.,et al."Electrophysiological correlates of proactive interference in the 'Recent Probes' verbal working memory task".NEUROPSYCHOLOGIA 48.7(2010):2167-2173.

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