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Effet paradoxal du vieillissement sur des tâches de mémoire prospective time-based en situation de laboratoire et en milieu naturel : Rôle des fonctions exécutives

Abstract : The current study investigates the specific role of three executive functions in the explanation of performance variability on laboratory and naturalistic time-based prospective memory tasks in aging. Ninety people aged 18 to 80 years performed three executive tasks assessing inhibition, flexibility and updating, one laboratory time-based task and one naturalistic time-based task. The results indicate that age has a negative impact on the laboratory time-based task and a positive impact on the naturalistic task. The mediation analysis shows that inhibition and flexibility operate as a mediator in the negative relationship between age and the laboratory time-based task. Additionally, the hierarchical regression analyses show that, after controlling for age, none of the executive functions evaluated is predictive of performance of the naturalistic time-based task. Overall, these results seem to suggest that different cognitive processes underlie the performance on naturalistic and on laboratory time-based tasks. Future studies should confirm these results.
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https://hal.univ-rennes2.fr/hal-01897652
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Submitted on : Wednesday, October 17, 2018 - 2:38:55 PM
Last modification on : Monday, December 13, 2021 - 12:10:02 PM
Long-term archiving on: : Friday, January 18, 2019 - 2:34:45 PM

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Barbara Azzopardi, Caroline Auffray, Christophe Kermarrec. Effet paradoxal du vieillissement sur des tâches de mémoire prospective time-based en situation de laboratoire et en milieu naturel : Rôle des fonctions exécutives. Canadian Journal on Aging / Revue canadienne du vieillissement, Cambridge University Press (CUP), 2017, 36 (01), pp.30 - 40. ⟨10.1017/S0714980816000738⟩. ⟨hal-01897652⟩

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