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Abstract

We report on the effects of bilateral neurostimulation of the ventral intermediate thalamic nucleus (VIM) in a patient with medically intractable and progressing inherited myoclonus dystonia syndrome (IMDS). Postoperatively, the patient improved by approximately 80% on the modified version of a myoclonus score without any significant change in the dystonic symptoms. This suggests that neurostimulation of the VIM may be an effective treatment for myoclonus in pharmacologically intractable IMDS. © 2001 Movement Disorder Society.