A Pilot Study of a Non-Invasive Neuromodulation Device for Treatment of Parkinson's Disease

Inclusion Criteria: * Patient should have a UPDRS motor score of 14 (off medication) or higher (mild to moderate) * Patient should have a Hoehn \& Yahr staging of 1 to 3 (mild to moderate) * Patient must be an adult (18 years of age or older) Exclusion Criteria: * Women who are pregnant or nursing * have a history of significant cardiovascular disease (no pacemakers) * have a history of unstable mood disorder or unstable anxiety disorder or psychosis * use a hearing aid * have a cochlear implant * have been diagnosed with neurological disease other than Parkinson's disease. No atypical parkinsonism. * have a diagnosed vestibular dysfunction * abuse alcohol or other drugs * have had eye surgery within the previous three months or ear surgery within the previous six months * have active ear infections or a perforated tympanic membrane * have participated in another clinical trial within the last 30 days or are currently enrolled in another clinical trial