Abstract
The effect of aerobic exercise on reaction time in older women was investigated. 14 women (M age = 65 yr.) were carefully screened for health status and lifestyle, then assigned to a random order of the exercise and control groups (ns = 7). Pre- and posttraining tests of aerobic capacity, simple reaction time, and choice reaction time were administered. The exercise group rode a stationary bicycle ergometer for 8 consecutive weeks for 3 35- to 40-min. sessions per week. There were no significant pretraining differences between groups on simple reaction time, choice reaction time, or estimated VO2 max. No posttraining differences for simple and choice reaction time were found even though the exercise group had a significantly higher VO2 max than the controls. Contrary to some other findings, the data indicate that reaction time may be independent of aerobic training in healthy older women.
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