Neurophysiological evidence of corticospinal tract abnormality in patients with Parkin mutations.

Abstract excerpt

Mutations in the parkin gene (PARK2) are the most frequent cause of autosomal recessive early-onset Parkinson disease. We performed a transcranial magnetic stimulation study in four patients with parkin mutations. Two patients had a prolonged central motor conduction time at both upper and lower limb, one only at the arm and one only at the leg. The MEP threshold was increased in one patient for the arm and in...

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