Neurological Voice Disorders
Disorders of the nervous system (neurological) can affect the voice in different ways.
Spasmodic dysphonia, a kind of focal dystonia of the larynx; also, laryngeal dystonia
· Abductor spasmodic dysphonia (also called intermittent whisper phonation)
· Adductor spasmodic dysphonia
· Atypical spasmodic dysphonia
· Classic variant spasmodic dysphonia 
· Mixed AB-AD spasmodic dysphonia
· Tonic variant spasmodic dysphonia
· SLAD-R
· Vocal cord paralysis, bilateral
· Vocal cord paralysis, unilateral
· Superior laryngeal nerve (SLN) paralysis