31. All these years later, there's still debate over what hysterical dysphonia is, according to several doctors. 32. Furthermore, certain occupational groups, such as teachers and singers, may be at increased risk for developing dysphonia . 33. Dysphonia is merely the medical term for a voice disorder-not a diagnoses of the reason for the disorder.34. Treatment of patients with the adductor type of spasmodic dysphonia is more successful than for those who suffer the abductor type. 35. ---- Spasmodic dysphonia , which affects the larynx muscles and results in speech that is difficult to understand. 36. Thompson would discover that she was suffering from hysterical dysphonia , a malady that doctors still don't fully understand. 37. Laryngeal dystonia or spasmodic dysphonia results from abnormal contraction of muscles in the voice box, resulting in altered voice production. 38. Functional dysphonias may be treated through direct and indirect voice therapies, whereas surgeries are recommended for chronic, organic dysphonias. 39. Functional dysphonias may be treated through direct and indirect voice therapies, whereas surgeries are recommended for chronic, organic dysphonias . 40. Hanauer has been told that his disorder is probably inherited, though only about 10 percent of spasmodic dysphonia cases are congenital.