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Article

A biometric latent curve analysis of memory decline in older men of the NAS-NRC twin registry.

Behavior genetics - 1 Sept 2009

McArdle John J, Plassman Brenda L

Abstract excerpt

Previous research has shown cognitive abilities to have different biometric patterns of age-changes. We examined the variation in episodic memory (word recall task) for over 6,000 twin pairs who were initially aged 59-75, and were subsequently re-assessed up to three more times over 12 years. In cross-sectional analyses, variation in the number of words recalled independent of age was explained largely by...

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Identifiers

PMID: 19404731
DOI: 10.1007/s10519-009-9272-1
PMCID: PMC2846730

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