Adducter spasmodic dysphonia is caused by the vocal cords closing suddenly, which causes the voice to stop. This is most common. • Abducter spasmodic dysphonia is caused by the vocal cords opening suddenly, which causes the voice to become weak and breathy. CAUSES This condition is caused...
This case proposes that trauma with irritation to the cervical spine nerve roots as they communicate with the spinal accessory, and in turn the laryngeal nerves, may be contributory in some functional voice disorders or muscle tension dysphonia....
caused by contraction or tensing of the thyroarytenoid (vocalis) muscles during speech. This results in a characteristic voice disorder in which patients speak in an effortful, strained, and staccato pattern with frequent short breaks in vocalization. In abductor dysphonia, involuntary separation of...