Tic disorder
Tic disorder or Tourette disorder: Tic is a sudden, rapid, repeatative movement or speech (vocalization) Tourette disorder is a type of tic disorder Child presents with abnormal, repeatative, rapid movements of different muscle groups (facial muscles, shoulder muscles, arms, legs, body etc) Child shows abnormal sudden, rapid, repeatative production of voice (hmm, aah, ooo) Child feels urge to do these muscular or verbal activities Sometimes these activities increase when child is under stress Muscular or verbal activities disappear during sleep