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Brain Cogn. 2006 Oct;62(1):17-23. Epub 2006 May 12.

Age-related changes in duration reproduction: involvement of working memory processes.

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UMR-CNRS 6215 LMDC, Vieillissement et Mémoire, Université François-Rabelais de Tours, France.


The aim of the present research was to study age-related changes in duration reproduction by differentiating the working memory processes underlying this time estimation task. We compared performances of young and elderly adults in a duration reproduction task performed in simple and concurrent task conditions. Participants were also administered working memory tests to measure storage and central executive functions. Findings indicated a differential involvement of working memory storage and central executive functions in age-related differences in temporal tasks. The limited storage capacities explained age-related changes in the simple task of duration reproduction, and the dysfunctioning of central executive functions accounted for age-related changes in duration reproduction performed in a concurrent task condition, which involves greater attentional resources.

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