It is essential that we adequately recognize our own bodies and motor states if we are to acquire and improve goal-directed activities such as sports. We have studied effective ways of providing motor information, namely motor feedback techniques, to facilitate motor learning in sports. This study proposes feedback techniques designed to visualize and sonificate certain key features of an action, e.g., the inter-trial motion variability displayed by superimposed images and the temporal order of the motion of body parts given by synthetic sound. We believe that these techniques will help a player to acquire a desired action in sports. We also hope to utilize these techniques in the rehabilitation and entertainment fields.
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