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Does Activity Engagement Protect Against Cognitive Decline in Old Age? Methodological and Analytical Considerations

Ghisletta, Paolo ; Bickel, Jean-François ; Lövdén, Martin

In: The Journals of Gerontology Series B: Psychological Sciences and Social Sciences, 2006, vol. 61, no. 5, p. P253-P261

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    Titre
    • Does Activity Engagement Protect Against Cognitive Decline in Old Age? Methodological and Analytical Considerations
    Auteur
    • Ghisletta, Paolo. Center for Interdisciplinary Gerontology, University of Geneva, Switzerland.
    • Bickel, Jean-François. Center for Interdisciplinary Gerontology, University of Geneva, Switzerland.
    • Lövdén, Martin. Center of Lifespan Psychology, Max Planck Institute for Human Development, Berlin, Germany.
    Type de document
    • Postprint
    Langue
    • Anglais
    Publié dans
    • The Journals of Gerontology Series B: Psychological Sciences and Social Sciences, 2006, vol. 61, no. 5, p. P253-P261. Oxford University Press
    Autre version électronique
    Classification
    • Santé
    Identifiant OAI-PMH
    • oai:doc.rero.ch:296353
    Summary
    The literature about relationships between activity engagement and cognitive performance is abundant yet inconclusive. Some studies report that higher activity engagement leads to lower cognitive decline; others report no functional links, or that higher cognitive performance leads to less decline in activity engagement. We first discuss some methodological and analytical features that may contribute to the divergent findings. We then apply a longitudinal dynamic structural equation model to five repeated measurements of the Swiss Interdisciplinary Longitudinal Study on the Oldest Old. Performance on perceptual speed and verbal fluency tasks was analyzed in relation to six different activity composite scores. Results suggest that increased media and leisure activity engagement may lessen decline in perceptual speed, but not in verbal fluency or performance, whereas cognitive performance does not effect change in activity engagement