Neuropsychological outcome of bilateral pallidal stimulation in dystonia

Objective: To evaluate the effects of deep brain stimulation (DBS) of the globus pallidus internus (GPi) in dystonia on cognition, mood, functional ability and quality of life. Background: GPi-DBS is a promising neurosurgical treatment for patients with different types of dystonia, but little is known about its neuropsychological effects. In Parkinson's disease (PD) GPi-DBS seems to be safe regarding cognition, however, some studies report post-operative impairments of executive functions and memory. Patients and Methods: 15 Patients suffering from primary and secondary dystonia were assessed preoperatively and…