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. 2018 Mar 12;9:311. doi: 10.3389/fpsyg.2018.00311

FIGURE 3.

FIGURE 3

Root-mean-square error (RMSE) of the ST motor and the DT motor-cognitive practice groups during acquisition (day 1 and day 2) and of the ST motor, the ST cognitive, and the DT motor-cognitive practice groups during testing (day 3). Values represent means and standard deviations. ST, single task; DT, dual task.