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Exp Brain Res. 1991;84(3):668-71.

Reorganization of activity in the supplementary motor area associated with motor learning and functional recovery.

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Department of Physiology, Tohoku University, School of Medicine, Sendai, Japan.


The supplementary motor area (SMA) of primates has been implicated in the initiation and execution of limb movements. However, when a motor task was extensively overlearned, few SMA neurons, if any, were active before the movement onset. Subsequent lesions of the primary motor cortex gave rise to the appearance of premovement activity changes, indicating usedependent reorganization of the neuronal activity in SMA.

[Indexed for MEDLINE]

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