| Main clinical features
|
paroxysmal movement disorder characterized by recurrent and brief attacks
of unilateral or bilateral involuntary movements, including dystonic
posturing, chorea, athetosis, and ballism, which are precipitated by the sudden onset of movement
recurrent, brief attacks of involuntary movements induced by sudden volontary movements, overlapping the ICAA interval and likely allelic, considering that some patients have a history of infantile afebrile convulsions
no loss of consciousness during these attacks, the attacks are responsive to anticonvulsants such as carbamazepine, or phenytoin; (EEG) analysis
demonstrates normal or nonspecific abnormalities |