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. 2022 May 3;14:819576. doi: 10.3389/fnagi.2022.819576

FIGURE 2.

FIGURE 2

Mean RT (left) and its variability (SD) (right) of younger and older adults for lower- and upper-limb conditions. Error bars reflect one SD. * represents p < 0.05; ** represents p < 0.01; *** represents p < 0.001.