Abstract
Abstract Prefrontal brain functions are reported to be involved in postural control. This study examined the correlation between a postural control task and a Stroop/reverse-Stroop test that also taps the prefrontal brain functions. Twenty healthy elderly people (3 men, 17 women) ages 61–81 years participated. Stroop interference and reverse-Stroop interference were measured. The postural control task required participants to stand as still as possible for 30 sec. with eyes open and then with eyes closed. Reverse-Stroop interference, which is reported to activate more prefrontal function, correlated positively with postural sway when standing with eyes closed. Prefrontal function may be an important component of postural control when sensory information is insufficient.
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