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(A) Experimental setup. (B) Activation center of gravity for thumb (blue) and elbow (red) flexion activations in control participants and patients. The central sulcus is indicated by the dotted line. (C) Mean cortical distance between thumb and elbow flexion activation centers of gravity for control participants and patients. Error bars indicate standard error of the mean. Significance of the planned comparison (one-tailed t-test) is shown.
