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PUBLICATION SCIENTIFIQUE : Nouvel article de l’UPsySen publié dans la revue Clinical Interventions in Aging

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Le 11 avril dernier est sorti notre dernier article publié en open access dans le journal of Clinical Interventions in Aging (pour consulter ou télécharger l’article, cliquez ici).

Cette étude s’inscrit dans la continuité des travaux initiés depuis 2005 par notre Unité (en collaboration avec le Pr. Sergio Perelman et Eric Bonsang) sur la question du lien existant entre la retraite et la santé mentale (ici cognitive) des personnes âgées. Cette étude confirme la présence d’une relation entre les activités (professionnelles et non-professionnelles) entreprises par des personnes au delà de l’âge de 60 ans et leur fonctionnement cognitif (en particulier au niveau de la mémoire épisodique).

ABSTRACT DE L’ARTICLE :

Occupational activity and cognitive reserve: implications in terms of prevention of cognitive aging and Alzheimer’s disease.

Stéphane ADAM1, Eric BONSANG2, Catherine GROTZ1, & Sergio PERELMAN3

1 Unité de psychologie clinique de la sénescence, University of Liège, Belgium.
2 Research Centre for Education and the Labour Market, Maastricht University, The Netherlands.
3 Center of Research in Public Economics and Population Economics, University of Liège, Belgium.

This paper investigates the relationship between the concept of activity (including both professional and nonprofessional) and cognitive functioning among older European individuals. In this research, we used data collected during the first wave of SHARE (Survey on Health, Ageing and Retirement in Europe), and a measurement approach known as stochastic frontier analysis, derived from the economic literature. SHARE includes a large population (n > 25,000) geographically distributed across Europe, and analyzes several dimensions simultaneously, including physical and mental health activity. The main advantages of stochastic frontier analysis are that it allows estimation of parametric function relating cognitive scores and driving factors at the boundary and disentangles frontier noise and distance to frontier components, as well as testing the effect of potential factors on these distances simultaneously. The analysis reveals that all activities are positively related to cognitive functioning in elderly people. Our results are discussed in terms of prevention of cognitive aging and Alzheimer’s disease, and regarding the potential impact that some retirement programs might have on cognitive functioning in individuals across Europe.