Vibrotactile Stimulation in Parkinson's Disease

Inclusion Criteria

• Age at least 18 years of age.
• Speaks and understands English.
• A diagnosis of idiopathic Parkinson's disease, Hoehn and Yahr Stage II or III
• Able and willing to come to study visits (3 consecutive days, as well as 2 follow up visits, at 1 and 4 weeks)
• Able and willing to stop therapy during the daytime for the days they come to the clinic for the study.
• Have improvement in motor signs ON versus OFF dopaminergic medication.
• If on medication, the patient should be on stable doses of Sinemet and/or Stalevo (Carbidopa/Levodopa Parkinson's medication) as part of their medicinal regimen (Patient does not need to be on medication to be included in the study).

Exclusion Criteria

• Subjects, who are pregnant, are capable of becoming pregnant, or who are breast feeding.
• Subjects with very advanced Parkinson's disease, Hoehn and Yahr stage IV on medication (non-ambulatory).
• Have significant cognitive impairment and/or dementia, as determined by a neurologist at the Stanford Movement Disorders Clinic.
• Have an implanted electronic device such as a cardiac pacemaker/defibrillator or medication pump.
• Subjects who have an inability to comply with study follow-up visits.
• Subjects who are unable to understand or sign the informed consent.
• Have an MRI showing focal brain lesions that could indicate a non-idiopathic movement disorder.
• Have an active infection.
• Require diathermy, electroconvulsive therapy (ECT), or transcranial magnetic stimulation (TMS) to treat a chronic condition.