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Cross-Sectional and Longitudinal Patterns of Dedifferentiation in Late-Life Cognitive and Sensory Function: The Effects of Age, Ability, Attrition, and Occasion of Measurement

Anstey, Kaarin; Hofer, Scott; Luszcz, Mary A


The dedifferentiation hypothesis is examined with respect to age-group differences, ability-group differences, attrition-group differences, and time. Cognitive and sensory data were analyzed from individuals (n = 1,823) who completed a clinical assessment on at least 1 of 3 occasions of measurement in the Australian Longitudinal Study of Ageing. Inconsistent dedifferentiation effects were associated with low ability and early attrition from the study, but age-related dedifferentiation was not...[Show more]

CollectionsANU Research Publications
Date published: 2003
Type: Journal article
Source: Journal of Experimental Psychology: General
DOI: 10.1037/0096-3445.132.3.470


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