Interrelations of age, visual acuity, and cognitive functioning

It has recently been suggested that a large proportion of the age-related influences on many measures of cognitive functioning is mediated through a single common factor. This hypothesis has been supported by the discovery that much of the age-related variance in different cognitive measures is shar...

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Bibliographic Details
Published inThe journals of gerontology. Series B, Psychological sciences and social sciences Vol. 51; no. 6; p. P317
Main Authors Salthouse, T A, Hancock, H E, Meinz, E J, Hambrick, D Z
Format Journal Article
LanguageEnglish
Published United States 01.11.1996
Subjects
Adult
Age Distribution
Aged
Aging - physiology
Cognition - physiology
Female
Humans
Male
Memory - physiology
Middle Aged
Visual Acuity - physiology
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Summary:It has recently been suggested that a large proportion of the age-related influences on many measures of cognitive functioning is mediated through a single common factor. This hypothesis has been supported by the discovery that much of the age-related variance in different cognitive measures is shared, and is not distinct or independent. These earlier results were replicated in this project, and it was also discovered that measures of corrected visual acuity and processing speed share a very large proportion of the age-related variance in measures of working memory, associative learning, and concept identification. The apparent implication is that the common factor that appears to contribute to age-related differences in many cognitive measures is quite broad and may reflect a relatively general reduction in central nervous system functioning.
ISSN:1079-5014
DOI:10.1093/geronb/51B.6.P317