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Selective sex differences in declarative memory.
Umeå University, Faculty of Medicine, Integrative Medical Biology, Physiology.
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2004 (English)In: Mem Cognit, ISSN 0090-502X, Vol. 32, no 7, 1160-9 p.Article in journal (Refereed) Published
Abstract [en]

Sex invariance of a six-factor, higher order model of declarative memory (two second-order factors: episodic and semantic memory; and four first-order factors: recall, recognition, fluency, and knowledge) was established for 1,796 participants (35-85 years). Metric invariance of first- and second-order factor loadings across sex was demonstrated. At the second-order level, a female advantage was observed for both episodic and semantic memory. At the first-order level, sex differences in episodic memory were apparent for both recall and recognition, whereas the differences in semantic memory were driven by a female superiority in fluency. Additional tests of sex differences in three age groups (35-50, 55-65, and 70-85 years of age) indicated that the female superiority in declarative memory diminished with advancing age. The factor-specific sex differences are discussed in relation to sex differences in hippocampal function.

Place, publisher, year, edition, pages
2004. Vol. 32, no 7, 1160-9 p.
Keyword [en]
Adult, Aged, Aged; 80 and over, Aging/*psychology, Attention, Color Perception, Discrimination Learning, Face, Female, Humans, Male, Memory; Short-Term, Mental Recall, Middle Aged, Pattern Recognition; Visual, Psychomotor Performance, Reading, Semantics, Sex Characteristics, Sex Factors, Speech Perception, Verbal Learning
Identifiers
URN: urn:nbn:se:umu:diva-12450PubMedID: 15813497OAI: oai:DiVA.org:umu-12450DiVA: diva2:152121
Available from: 2008-01-11 Created: 2008-01-11 Last updated: 2011-01-12Bibliographically approved

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