Apolipoprotein E Gene Variability and Cognitive Functions at Age 79: A Follow-Up of the Scottish Mental Survey of 1932.
- 1 January 2004
- journal article
- Published by American Psychological Association (APA) in Psychology and Aging
- Vol. 19 (2) , 367-371
- https://doi.org/10.1037/0882-7974.19.2.367
Abstract
Apolipoprotein E (APOE) genotype is a possible influence on nonpathological cognitive aging. The authors studied 462 community-dwelling, 79-year-old people born in 1921, whose childhood IQ had been assessed in the Scottish Mental Survey of 1932 (Scottish Council for Research in Education, 1933). Adjusting for sex, childhood IQ, and self-reported illnesses, the authors found that those with an APOE 4 allele had significantly lower Wechsler Logical Memory (D. Wechsler, 1987) scores than those without an 4 allele. Those people with APOE2/3 genotypes had significantly higher Wechsler Logical Memory scores than 3/3, who were significantly higher than 3/4. Neither nonverbal reasoning nor verbal fluency were affected. In this sample, APOE genotype contributed to verbal memory in old age.Keywords
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