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Fig. 1 | Journal of NeuroEngineering and Rehabilitation

Fig. 1

From: A robot-aided visuomotor wrist training induces motor and proprioceptive learning that transfers to the untrained ipsilateral elbow

Fig. 1

Experimental setup. (A) Frontal view of the 3 DOF robotic wrist exoskeleton. This study only required users to make wrist flexion/extension movements. (B) The elbow-joint manipulandum used for the transfer task. It allowed elbow flexion/extension movements in the horizontal plane. (C) Visual display as seen by the learner. Wrist flexion/extension movements tilted the virtual table. Learner attempted to roll the virtual ball into the target zone. (D) Learning effect on movement trajectory formation as measured by the Cumulative Spatial Error (CSE). Each data point represents the mean CSE of all participants for a particular trial. Note the decline of CSE over successive trials. Red line indicates the fit of the exponential decay function

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