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Neural basis for successful encoding and retrieval of prospective memory
Chen YanNi1; Guo ChunYan1,3; Jiang Yang2
2011-06-01
发表期刊SCIENCE CHINA-LIFE SCIENCES
ISSN1674-7305
文章类型Article
卷号54期号:6页码:580-587
摘要Prospective memory (PM) refers to memory for future intentions. Difference due to memory (Dm effect) is the difference in neural activity related to stimuli that were subsequently remembered or forgotten. Using event-related potentials (ERPs), the present study investigated the Dm effect for PM using a subsequent task-switching paradigm. The results showed that a Dm effect of ERP P150 was more positive-going for later PM hit trials than for later PM forgotten trials during 100-200 ms. This Dm effect may reflect the process for the production of future intention or the process for attention. Consistent with previously reported Dm effects of other types of memory, we found that the fbN2 (250-280 ms) and late positivity component (400-700 ms) were stronger in later PM hit trials than in forgotten trials. The fbN2 was evoked by Chinese characters. The late positivity component was related to the precise encoding process. In conclusion, because of the early P150, PM encoding appears to be somewhat different from previously identified Dm effects. However, further research is needed. Our findings reveal that Dm effects of PM share similar characteristics with known Dm effects of other types of episodic memory after the very early stage of neural processing.
关键词Difference Due To Memory Effect Prospective Memory Event-related Potential P150 Late Positivity Component
收录类别SCI ; SSCI
语种英语
WOS记录号WOS:000292050500012
引用统计
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/13790
专题中国科学院心理健康重点实验室
作者单位1.Capital Normal Univ, Dept Psychol, Beijing Key Lab Learning & Cognit, Beijing 100048, Peoples R China
2.Univ Kentucky, Coll Med, Dept Behav Sci, Lexington, KY 40536 USA
3.Chinese Acad Sci, Key Lab Mental Hlth, Beijing 100101, Peoples R China
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Chen YanNi,Guo ChunYan,Jiang Yang. Neural basis for successful encoding and retrieval of prospective memory[J]. SCIENCE CHINA-LIFE SCIENCES,2011,54(6):580-587.
APA Chen YanNi,Guo ChunYan,&Jiang Yang.(2011).Neural basis for successful encoding and retrieval of prospective memory.SCIENCE CHINA-LIFE SCIENCES,54(6),580-587.
MLA Chen YanNi,et al."Neural basis for successful encoding and retrieval of prospective memory".SCIENCE CHINA-LIFE SCIENCES 54.6(2011):580-587.
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