Hey are you looking for neurologist near Mylapore? Laryngeal Dystonia is a rare disorder that affects the muscles that control the vocal cords in your throat this disorder makes it hard to speak normally it used to be called as spasmodic dysphonia Usually starts in the middle age between 30-60 years There are two main types of laryngeal Dystonia Most common is ADductor type when the person speech to sound halting strains strangled The other type is AB ductor when the persons speech is like whisper