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Effect of haptic, visual, and auditory feedback perturbation in control experiment across training days. As in Fig. 5, five landmarks per press (connected by a line) are plotted. The control experiment only had +80 ms perturbations, but each group of subjects received only one type of feedback. The different panels indicate the different training sessions (i.e. days). The error bars represent the means ± standard error across participants for each group.
