Tic disorders
Wednesday, July 16th, 2008
Definition Tic disorders are characterized by the persistent presence of tics, which are abrupt, repetitive involuntary movements and sounds that have been described as caricatures of normal physical acts. The best known of these disorders is Tourette’s disorder, or Tourette’s syndrome. Description Tics are sudden, painless, nonrhythmic behaviors that are either motor (related to movement) [...]