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| Research article summary (published 27 Feb 2003): |
Selective adult age differences in an age-invariant multifactor model of declarative memory.
Full Abstract
Confirmatory factor analysis was used to test competing models of declarative memory. Data from middle-aged participants provided support for a model comprised of 2 2nd-order (episodic and semantic memory) and 4 1st-order (recall, recognition, fluency, and knowledge) factors. Extending this model across young-old and old-old participants established support for age invariance. Tests of group differences showed an age deficit in episodic memory that was more pronounced for recall than for recognition. For semantic memory, there was an increase in knowledge from middle to young-old age and thereafter a decrease. Overall, the results support the view that episodic memory is more age sensitive than semantic memory, but they also indicate that aging has differential effects within these 2 forms of memory.
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Author information
Author/s: Nyberg, Lars (L); Maitland, Scott B (SB); Rönnlund, Michael (M); Bäckman, Lars (L); Dixon, Roger A (RA); Wahlin, Ake (A); Nilsson, Lars-Göran (LG);
Affiliation: Department of Psychology, Umeå University, Sweden. lars.nyberg(-atsign-)psy.umu.se
Grants: AG08235 (Agency:United States NIA)
Journal and publication information
Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.
Journal: Psychology and aging (Psychol Aging), published in United States. (Language: eng)
Reference: 2003-Mar; vol 18 (issue 1) : pp 149-60
Dates: Created 2003/03/18; Completed 2003/06/06; Revised 2007/11/14;
PMID: 12641319, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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