Relationships Between Age-Related Changes in Time Estimation and Age-Related Changes in Processing Speed, Attention, and Memory

  • Perbal S
  • Droit-Volet S
  • Isingrini M
 et al. 
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Abstract

Younger and older participants performed a time reproduction task and a time production task in a counting and a concurrent reading condition. They were also administered a reaction time task and some memory tests. The results showed no difference between the two age groups in the counting condition. By contrast, in the concurrent reading condition, both age groups reproduced shorter durations and produced longer durations than the actual time, and both of these effects were significantly amplified with age. Moreover, processing speed was slower, and memory scores were poorer in the older than in the younger adults. Most importantly, the results revealed that age-related working memory limitations better accounted for the shorter reproductions with aging whereas age-related slower processing speed better accounted for the longer productions with aging.
Younger and older participants performed a time reproduction task and a time production task in a counting and a concurrent reading condition. They were also administered a reaction time task and some memory tests. The results showed no difference between the two age groups in the counting condition. By contrast, in the concurrent reading condition, both age groups reproduced shorter durations and produced longer durations than the actual time, and both of these effects were significantly amplified with age. Moreover, processing speed was slower, and memory scores were poorer in the older than in the younger adults. Most importantly, the results revealed that age-related working memory limitations better accounted for the shorter reproductions with aging whereas age-related slower processing speed better accounted for the longer productions with aging.

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Authors

  • Séverine Perbal

  • Sylvie Droit-Volet

  • Michel Isingrini

  • Viviane Pouthas

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