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学科主题: 精神卫生
题名:
Deficits in retrospective and prospective components underlying prospective memory tasks in amnestic mild cognitive impairment
作者: Zhou, Ting1,2; Broster, Lucas S.3; Jiang, Yang3; Bao, Feng4; Wang, Huali5; Li, Juan1
关键词: Mild cognitive impairment ; Time-based prospective memory ; Event-based prospective memory ; Activity-based prospective memory ; Retrospective memory
刊名: BEHAVIORAL AND BRAIN FUNCTIONS
发表日期: 2012-08-13
DOI: 10.1186/1744-9081-8-39
卷: 8
收录类别: SCI ; SSCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Behavioral Sciences ; Neurosciences
研究领域[WOS]: Behavioral Sciences ; Neurosciences & Neurology
关键词[WOS]: ALZHEIMERS-DISEASE ; INDIVIDUAL-DIFFERENCES ; DEMENTIA ; INTENTIONS ; PATTERNS
英文摘要:

Objectives: By use of purer indices of PM and RM components than previous studies and adoption of three PM task types, the present study aimed to investigate the deficits of these two components underlying global impairment at a PM task in individuals with amnestic mild cognitive impairment (aMCI).

Methods: Nineteen aMCI patients and 22 normal controls were examined on event-, time- and activity-based PM tasks. Separate scores were obtained for initiation of intentions (i.e. PM component) and for the content of the intentions (i.e. RM component).

Results: Individuals with aMCI achieved lower PM component (but not RM component) scores than NCs across all three PM tasks. Furthermore, there was a trend for greater impairment on activity-based than time-based and event-based PM tasks, but which did not reach significance. In addition, a significant association between PM component and an executive function test was observed in aMCI group. PM task performance, especially activity-based PM task performance and PM component performance, successfully discriminated between aMCI and NC and was able to do so above and beyond the executive function tests.

Conclusions: Our finding suggested that the deficits in PM component, related to a disrupted executive control processes, were responsible for the impaired ability of individuals with aMCI to realize delayed intentions.

语种: 英语
所属项目编号: 30770725 ; 31000465 ; 30911120494 ; 2009BAI77B03 ; KSCX2-YW-R-256 ; KSCX2-EW-J-8
项目资助者: National Natural Science Foundation of China ; National Science &amp ; Technology Pillar Program of China ; Knowledge Innovation Project of the Chinese Academy of Sciences
WOS记录号: WOS:000318982000001
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/52665
Appears in Collections:北京大学精神卫生研究所_期刊论文

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作者单位: 1.Univ Kentucky, Coll Med, Lexington, KY USA
2.Peking Univ, Inst Mental Hlth, Beijing 100871, Peoples R China
3.Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Ctr Aging Psychol, Beijing 100101, Peoples R China
4.Chinese Acad Sci, Grad Sch, Beijing 100101, Peoples R China
5.Capital Med Univ, Beijing Anding Hosp, Beijing, Peoples R China

Recommended Citation:
Zhou, Ting,Broster, Lucas S.,Jiang, Yang,et al. Deficits in retrospective and prospective components underlying prospective memory tasks in amnestic mild cognitive impairment[J]. BEHAVIORAL AND BRAIN FUNCTIONS,2012,8.
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