In this study, the investigators will monitor extracellular neurotransmitter levels using a probe that is able to perform real time electrochemical detection during deep brain stimulation surgery. The overall question this study is designed to answer is: Are there neurotransmitters released during deep brain stimulation?
Inclusion Criteria:
- adult Patients with medically intractable Essential Tremor, Parkinson's Disease, and Dystonia who have been approved for DBS surgery by the interdisciplinary Mayo DBS committee.
Exclusion Criteria:
- pregnant patients,
- prisoners,
- children (age less than 18), and
- any patients identified as unsuitable for these protocol by the Mayo DBS committee.
Last updated: 04/26/2013