Thalamic Deep Brain Stimulation for Spasmodic Dysphonia- DEBUSSY TrialLaryngeal Dystonia (LD), also commonly referred to as spasmodic dysphonia, is a neurological voice disorder characterized by involuntary dystonic contractions of the laryngeal muscles.Recruiting Principal Investigator Christopher HoneyBody Locations and Systems Brain, ThroatArea VancouverAge 18-75