Centre for Policy on Ageing
 

 

Aging, cognitive resources, and declarative learning
Author(s)Kathleen C Kirasic, Gary L Allen, Shannon H Dobson
Journal titlePsychology and Aging, vol 11, no 4, December 1996
Pagespp 658-670
KeywordsMental speed ; Memory and Reminiscence ; Learning capacity ; Mathematical models ; Cross sectional surveys.
AnnotationA battery of cognitive tasks designed to assess information-processing speed, working memory capability, and declarative learning was administered to a cross-sectional sample of 477 adults ranging in age from 17 to 86 years. Results showed significant age-related decrements in all three constructs, and structural equation models were applied. The preferred model on empirical and conceptual grounds was one that showed: working memory capability as the most important mediator of age effects in declarative learning; working memory capability as the mediator for the effects of general processing speed on declarative learning; and differentiation among verbal, numeric, and spatial processing speed, and between verbal and spatial working memory capability.
Accession NumberCPA-971120229 A
ClassmarkDG: DB: DE: 3LM: 3KB

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