Article
Towards an aging-specific cognitive phenotype: the freedom house study.
Experimental aging research - 1 Jan 2014
Royall Donald R, Palmer Raymond F, Chiodo Laura K, Polk Marsha J
Abstract excerpt
UNLABELLED: BACKGROUND/STUDY CONTEXT: The authors have previously reported latent growth curve (LGC) models of 3-year change in multiple cognitive measures among successfully aging volunteers. In this analysis, the authors apply growth mixture modeling (GMM) to demonstrate homogeneous subsets among them with discriminable trajectories. Only one trajectory class can be interpreted as the effect of Aging Proper....
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