Interrelations of Age, Self-Reported Health, Speed, and Memory

Contributions of self-reported health to adult age differences in perceptual speed and memory were assessed for 301 adults ages 20-90. Participants were asked 4 health status questions, given 3 perceptual speed tests, 2 working memory tests, and 2 memory tests. Self-reported health was found to pred...

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Bibliographic Details
Published in:Psychology and aging Vol. 12; no. 4; pp. 675 - 683
Main Authors: Earles, Julie L. K, Tabor Connor, Lisa, Smith, Anderson D, Park, Denise C
Format: Journal Article
Language:English
Published: Washington, DC American Psychological Association 01-12-1997
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Summary:Contributions of self-reported health to adult age differences in perceptual speed and memory were assessed for 301 adults ages 20-90. Participants were asked 4 health status questions, given 3 perceptual speed tests, 2 working memory tests, and 2 memory tests. Self-reported health was found to predict speed better than it predicted memory. Covariance structural equation modeling was used to assess the relations among age, self-reported health, perceptual speed, working memory, and memory. The results support the hypothesis that any effects of self-reported health on age differences in memory are mediated by perceptual speed.
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ISSN:0882-7974
1939-1498
DOI:10.1037/0882-7974.12.4.675