SPASMODIC DYSPHONIA By N., Pam M.S. - April 13, 2013 a rare disorder of a person's voice with periods of vocal spasms, tight throat, and recurrent hoarseness. There is no specified and a single cause detected for this disorder. SPASMODIC DYSPHONIA: "The cause of spasmodic dysphonia is unknown." Related Psychology Terms LARYNGEAL CANCER ANIMAL VOCALIZATION FUNCTIONAL VAGINISMUS FALSETTO GLOTTIS TIC DISORDER SINGLE-GENE DISORDER VOICE DYSPHONIA CYCLIC ILLNESS 1 Cite this page: N., Pam M.S., "SPASMODIC DYSPHONIA," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/spasmodic-dysphonia/ (accessed June 20, 2019).