The research team aims to provide evidence of Parkinsonian (PD) Stutter management by addressing the primary neurological issue in this disorder using Deep Brain Stimulation (DBS). The team proposes to perform unilateral DBS on 3 patients with PD stutter refractory to intensive speech therapy, to determine a response in their PD stutter. The assessments will be double-blinded. The investigators will use the outcome of this case series to determine the feasibility and details of a larger randomized controlled trial.
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Change of One-Page Suttering Assessment from Baseline to Post-Operation
Timeframe: One-Page Stutter Assessment will be reported by the patients preoperatively, after three months of blinded DBS-ON and DBS-OFF, and then again after 6 months unblinded DBS-ON