Shared age-related influences on cognitive and noncognitive variables
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Updated: Oct 28, 2026

Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
Published on: February 14, 2014
T A Salthouse1, D Z Hambrick, K E McGuthry
1School of Psychology, Georgia Institute of Technology, Atlanta 30332-0170, USA. tim.salthouse@psych.gatech.edu
Abstract:
Analyses of new data and of previously published data were conducted to examine the degree to which age-related variance was shared across cognitive and noncognitive variables and to investigate possible alterations in the composition of a factor common to all variables as a function of age. The results indicated that measures of visual acuity, grip strength, and blood pressure shared age-related variance with measures of perceptual speed, episodic memory, spatial visualization, and inductive reasoning. However, although the cognitive variables shared similar amounts of variance in age-restricted and age-partialed analyses, the variance shared between cognitive and noncognitive variables was substantially reduced after controlling the influence of age.
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