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Age Differences in Multiple Outcome Measures of Time-Based Prospective Memory
Stockholm University, Faculty of Social Sciences, Department of Psychology.
Stockholm University, Faculty of Social Sciences, Department of Psychology. University of Trieste, Italy.
Stockholm University, Faculty of Social Sciences, Department of Psychology.
2009 (English)In: Aging, Neuropsychology and Cognition, ISSN 1382-5585, E-ISSN 1744-4128, Vol. 16, no 6, 708-720 p.Article in journal (Refereed) Published
Abstract [en]

This study examined time-based prospective memory performance in relation to age, monitoring strategy, response accuracy, and dual-task demands. Young, middle-aged and older adults (N = 115) completed a prospective memory task, in which they indicated the passing of time every 5 min while listening to a short story (low task demands) or completing a series of cognitive tasks (high task demands). Young and older adults showed similar patterns of monitoring behavior, with low rates of clock checking during the early phase of each 5-min interval, followed by linearly accelerating monitoring functions. However, to obtain the same level of prospective memory performance older adults needed more frequent clock checks than young adults. Furthermore, older adults' compensatory monitoring strategy was associated with an additional cost in primary task performance. Finally, increased primary task demands shifted age differences in prospective memory from monitoring frequency to response accuracy. These findings suggest that goal-directed behavior requires efficient task coordination and resource allocation, and that age-related differences in time-based prospective memory should be evaluated by using multiple outcome measures.

Place, publisher, year, edition, pages
Oxford: Routledge, 2009. Vol. 16, no 6, 708-720 p.
Keyword [en]
age differences, time-based prospective memory
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URN: urn:nbn:se:su:diva-34910DOI: 10.1080/13825580902912721ISI: 000271512200005OAI: diva2:285946
Available from: 2010-01-13 Created: 2010-01-13 Last updated: 2014-10-15Bibliographically approved

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Mäntylä, TimoDel Missier, Fabio
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