Journal
BIOLOGICAL PSYCHOLOGY
Volume 51, Issue 2-3, Pages 201-221Publisher
ELSEVIER
DOI: 10.1016/S0301-0511(99)00038-1
Keywords
aging; strategy; error potentials; SAT; LRP; response monitoring
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A mental-rotation task was presented to young (18-28 years) and old (60-76 years) adults to simultaneously assess age-related changes in performance, response monitoring and adaptive behavior. Relative to young participants, older adults were less inclined to adjust their speed at the expense of accuracy. They displayed a larger number of slow errors, smaller error potentials (Ne and Pe), more immediate corrections of errors when detected, and a larger speed reduction on trials following an error. The data suggest that for older adults an increase of task complexity sometimes caused a radical failure in determining the correct response, rather than a gradual reduction of efficiency. (C) 2000 Elsevier Science B.V. All rights reserved.
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