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Centre for Policy on Ageing | |
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| Age differences in the nature and origin of individual differences in memory: a behavior genetic analysis | | Author(s) | Deborah Finkel, Matt McGue |
| Journal title | International Journal of Aging and Human Development, vol 47, no 3, 1998 |
| Pages | pp 217-239 |
| Keywords | Memory and Reminiscence ; Cognitive processes ; Social characteristics [elderly] ; Twins ; United States of America. |
| Annotation | Measures of memory performance and cognitive and lifestyle variables were obtained from 147 twin pairs (aged 27 to 60 years) and 194 older twin pairs (60 to 94 years) as part of the Minnesota Twin Study of Adult Development and Aging. Correlational and behaviour genetic analyses were combined to investigate age differences in the following areas: the relationship between memory performance and cognitive lifestyle variables; genetic and environmental influences on memory performance; and genetic and environmental mediation of the relationship between memory and predictor variables. No age differences in heritability were found. Qualitative age differences in memory processes were suggested by age group differences in the correlations between memory and cognitive factors. Even though age differences in phenotypic correlations had been demonstrated, no age differences in the genetic and environmental mediation of the correlations were found. In other words, the magnitude of the correlation between memory and cognitive factors varied across age groups but the nature of the relationship did not.(AKM). |
| Accession Number | CPA-990121404 A |
| Classmark | DB: DA: F: SVR: 7T |
Data © Centre for Policy on Ageing |
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| ...from the Ageinfo database published by Centre for Policy on Ageing. |
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