Fig. 2
From: Healthy mind in healthy body? A review of sensorimotor–cognitive interdependencies in old age

Age differences in navigation performance vary by walking support. The two bars to the left depict navigation performance (distance walked until criterion is reached) when participants were allowed to use a handrail, while the other two bars to the right depict navigation performance participants were walking without support. Error bars depict standard errors of the mean. Modified after [59]