Profile of Neuropsychiatric Symptoms in Parkinson's Disease: Surgical Candidates Compared to Controls.

Background: Subthalamic nucleus deep brain stimulation (STN-DBS) improves motor symptoms of Parkinson's disease (PD) and motor complications of dopaminergic treatment. Whether STN-DBS should be considered when PD patients experience neuropsychiatric symptoms is controversial. Lack of systematic behavioral evaluation at baseline hampers the understanding of postoperative neuropsychiatric outcomes.