Investigation of paroxysmal dystonia in a patient with multiple sclerosis: a transcranial magnetic stimulation study.


OBJECTIVE To study the pathogenesis of paroxysmal dystonia affecting the right body side in a patient with a demyelinating lesion in the descending motor pathways, also involving the basal ganglia. METHODS Single-pulse transcranial magnetic stimulation (TMS) was applied to study motor evoked potentials (MEPs) and the following silent periods (SPs) in the… (More)