Age differences in perceptual style, selective attention, and perceptual-motor reaction time

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Abstract
Women [175] ranging in age from 17-72 yr were placed into 1 of 7 age groups, and administered tasks measuring perceptual style, selective attention, simple choice and complex reaction time. Multivariate and univariate analysis indicated there were significant differences between the age groups for all dependent measures. Significant declines on the investigated information-processing ability measures apparently begin in the late 40''s. An over-all general decline on all information-processing variables rather than selective drop-out of abilities was indicated. Theoretical and applied implications of the results were discussed.