American Physiological Society, Journal of Neurophysiology, 5(123), p. 1691-1710, 2020
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In recent studies, the decomposition of muscle activity patterns has revealed a modular organization of the motor commands. We show, for the first time, that muscle patterns of subjects with cerebellar damage share with healthy controls spatial, but not temporal and spatiotemporal, modules. Moreover, changes in spatiotemporal organization characterize the severity of the subject’s impairment. These results suggest that the cerebellum has a specific role in shaping the spatiotemporal organization of the muscle patterns.