期刊
NEUROPSYCHOLOGY
卷 23, 期 3, 页码 347-358出版社
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/a0014692
关键词
parkinsonian disorders; intention; cues; executive function; attention; short term memory
资金
- Greater St. Louis Chapter of the American Parkinson's Disease Association
- McDonnell Center for Higher Brain Function
- [NS41248]
- [K30RR22251]
- [UL1RR024992]
Prospective memory is a complex cognitive construct ubiquitous in everyday life that is thought to sometimes rely on executive skills commonly affected by Parkinson's disease (PD). The present study investigated the effect of PD on prospective memory tasks with varying demand on executive control processes, namely on the amount of strategic attentional monitoring required for intention retrieval. Individuals with PD but without dementia and healthy adults performed laboratory event-based prospective memory tasks that varied in whether strategic attentional monitoring (nonfocal condition) or spontaneous processes (focal condition) were primarily involved in intention retrieval. Participants also completed a questionnaire rating their frequency of prospective memory failures in everyday life for both self-cued and environment-cued tasks. PD participants performed worse than non-PD participants in the nonfocal, but not focal, condition of the laboratory task. They also reported more everyday failures than non-PD participants for self-cued, but not environment-cued, prospective memory tasks. Thus, nondemented individuals with PD are preferentially impaired on prospective memory tasks for which higher levels of executive control are needed to support intention retrieval. This pattern is consistent across laboratory and reported real-world performance.
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