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Deep Brain Stimulation Surgery for Movement Disorders

Objectives To study how DBS surgery affects Parkinson s disease, dystonia, and tremor. To obtain information on brain and nerve cell function during DBS surgery. Eligibility People at least 18 years of age who have movement disorders, like Parkinson's disease, essential tremor, and dystonia.

A Study to Analyze Symptoms Prevalent in Early PD (Dysphonia Tremor)

This is a web-based study that involves monitoring hallmark symptoms of Parkinson's Disease (PD), specifically dysphonia and tremor, using smartphone sensor data. The entire length of the study will only take 5 minutes, so volunteers will not have to repeatedly contribute data.