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Age differences in multiple outcome measures of time-based prospective memory
Umeå University, Faculty of Social Sciences, Department of Psychology.
Department of Psychology, University of Trieste, Trieste, Italy.
Department of Psychology, Stockholm University, Stockholm, Sweden.
2009 (English)In: Aging, Neuropsychology and Cognition, ISSN 1382-5585, 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  (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  llocation, and that age-related differences in time-based prospective memory should be evaluated by using multiple outcome measures.

Place, publisher, year, edition, pages
Taylor and Francis Group , 2009. Vol. 16, no 6, 708-720 p.
Keyword [en]
Prospective memory, Monitoring strategy, Dual task, Multiple measures, Age effects
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Research subject
URN: urn:nbn:se:umu:diva-26031DOI: 10.1080/13825580902912721OAI: diva2:236147
Available from: 2009-09-21 Created: 2009-09-21 Last updated: 2011-06-08Bibliographically approved

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Mäntylä, Timo
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