A 7-year-old boy presented with recurrent eye blinking behavior and recurrent extension of extremities,mother describe the movement as sudden

(C). A tic is a sudden, rapid, recurrent (in the same manner), non-rhythmic motor, movement or vocalizatione.g. eye blinking, neck jerking, shoulder shrugging, extension of the extremities. Onset of tics is typically between ages 4 and 6 yr, in Tourette's disorder both multiple motor and one or more vocal tics have been present at some time during the illness,may be concurrently for > 1year. ln chronic or persistent tic disorder either one or more motor or vocal tics are present during the course of the diseasewhile in provisionaltic disorders the duration is < 1 yr. Chorea is involuntary, random, quick,jerking movements, most often of the proximal extremities, that flow from joint to joint (not in same manner), movements are abrupt, non-repetitive, and arrhythmic and have variable frequency and intensity.