Articles tagged with "environmental factors"

Behavioral and Environmental Factors Play Role in Spasmodic Dysphonia

Are specific triggers associated with the onset of spasmodic dysphonia? Background: Spasmodic dysphonia (SD) is an idiopathic voice disorder characterized by a strained, strangled voice quality or a breathy voice with aphonic segments of connected speech. Knowledge regarding causes and predisposing factors remains extremely limited. Study design: Retrospective chart review. Setting: New York Head and Neck Institute, Center […]