Trial Parameters
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Brief Summary
In this research study the researchers want to learn more about brain activity related to speech perception and production.
Eligibility Criteria
Inclusion Criteria: 1. Subjects scheduled for DBS implantation, as determined by the clinical multidisciplinary movement disorders board with definitive diagnosis of Parkinson's disease, essential tremor or dystonia. 2. Subjects able to provide informed consent and comply with task instructions. 3. Subjects 18-85 years old Exclusion Criteria: 1. Subjects with reported hearing loss. 2. Non-English-speaking subjects