Neuropsychiatric Effects of Deep Brain Stimulation in Patients With Parkinson's Disease

Neuropsychiatric Effects of Deep Brain Stimulation in Patients With Parkinson's Disease

Stimulation of the subthalamic nucleus will have effects on various aspects of neuropsychiatric function.

Inclusion Criteria:

• Participants diagnosed with idiopathic Parkinson's disease that meet criteria for treatment of their disease with STN-DBS. Participants will be selected for this study without regard for age (provided they are older than 18), gender or ethnic background.
• Participants must have undergone subthalamic nucleus DBS surgery and be receiving treatment at the Scripps Clinic in La Jolla, CA

Exclusion Criteria:

• Patients under 18 years old.
• Patients with mini-mental status scores below 26/30.
• Patients with known psychiatric disease.
• Patients who are too infirm, demented or dysarthric to clearly understand the consenting process, task instructions, or to communicate verbally regarding participation or non-participation.