Effect of Speech Therapy in Combination With Non-invasive Brain Stimulation on Speech of Patients With Parkinson's Disease

Home-based transcranial direct current stimulation- anode over right STG, cathode over left STG, 2 mA stimulation with 1x1 tDCS mini-CT device by Soterix Medical

Home-based transcranial direct current stimulation- anode over right STG, cathode over left STG, sham stimulation with tDCS mini-CT device by Soterix Medical

Remote Lee Silverman Voice Treatment (LSVT) delivered via telepractice by speech therapist. LSVT is a high-effort speech therapy that is primarily focused on improving speech loudness during 16 individual one-hour sessions in one month.