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spasmodic dysphonia

Persons with spasmodic dysphonia experience intermittent blockages of phonation resulting form spasms of the adductor or abductor muscles of the larynx resulting in intermittently choked or strangled production of voice. This has been referred to as "stuttering/stammering of the vocal cords," or "laryngeal stuttering."

Credit

Definition reprinted with permission from Hood, Stephen B. (editor) available from Stuttering Foundation of America: Stuttering Words (Publication No 2: Speech Foundation of America)