Depressive symptoms predict decline in perceptual speed in older adulthood
Date
2011
Authors
Bielak, Allison
Gerstof, Denis
Kiely, Kim
Luszcz, Mary A
Anstey, Kaarin
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American Psychological Association
Abstract
Depressive symptoms and cognitive decline are associated in older age, but research is inconsistent about whether one condition influences the development of the other. We examined the directionality of relations between depressive symptoms and perceptual speed using bivariate dual change score models. Assessments of depressive symptoms and perceptual speed were completed by 1,206 nondemented older adults at baseline, and after 2, 8, 11, and 15 years. After controlling for age, education, baseline general cognitive ability, and self-reported health, allowing depressive symptoms to predict subsequent change in perceptual speed provided the best fit. More depressive symptoms predicted subsequently stronger declines in perceptual speed over time lags of 1 year.
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Keywords: age distribution; aged; aging; article; cognition; cognitive defect; controlled study; depression; disease association; education; female; health status; human; major clinical study; male; perception; perception disorder; prediction; self report; sex rati Cognitive decline; Coupling; Depressive symptoms; Perceptual speed; Temporal relations
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Source
Psychology and Aging
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Journal article
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Restricted until
2037-12-31
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