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Comparison of Age and Time-to-Death in the Dedifferentiation of Late-Life Cognitive Abilities

Batterham, Philip; Christensen, Helen; Mackinnon, Andrew


The dedifferentiation hypothesis proposes that specific cognitive abilities become more highly associated with general ability in old age as a result of increasing biological constraints on fluid intelligence. There is limited evidence for the hypothesis, and research has not tended to clearly distinguish age dedifferentiation from ability differentiation and other age-related phenomena. The present study examined age dedifferentiation using a structural equation model that controlled for...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Psychology and Aging
DOI: 10.1037/a0023300


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