Comparison of Pallidal and Subthalamic Nucleus Deep Brain Stimulation for Advanced Parkinson’s Disease: Results of a Randomized,

OBJECTIVE: Deep brain stimulation (DBS) of the globus pallidus internus (GPi A larger study is needed to investigate further the differences in symptom response and the interaction of L-dopa with stimulation at either site. (Neurosurgery 45:1375(Neurosurgery 45: -1384(Neurosurgery 45: , 199