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Multiple Motor Learning Strategies in Visuomotor Rotation

Figure 2

Changes in reaching movement characteristics by the sudden and gradual visuomotor rotation learning.

A, Mean characteristics indices of reaching movement across subjects as a function of trial block in experiment 1. Thick blue and green lines in each panel indicate the sudden and gradual conditions, respectively. The visuomotor rotation angles (black and gray thin line for the sudden and gradual conditions, respectively) are superimposed on the panels of the E-DE and I-DE. Shaded areas represent the SE. Open red triangles indicate the trial blocks in which the indices were significantly different between the sudden and gradual conditions (t test, p<0.05). B, Changes in the averaged indices between pre- and post-training phases. In all panels, the asterisks (*, **, and ***) denote the significance of differences: p<0.05, p<0.01, and p<0.001, respectively. Error bars represent the SE.

Figure 2

doi: https://doi.org/10.1371/journal.pone.0009399.g002