The mechanism of action of<unk>  is not yet understood. It has been suggested that unilateral vestibular dysfunction or vascular disturbance in the brain stem may be responsible for the condition.
Benign paroxysmal torticollis
Oromandibular dystonia
Cramp fasciculation syndrome
Spasmodic torticollis
Superior oblique myokymia
Congenital mirror movement disorder
Dorian Gray syndrome
Skoptic syndrome