Gilles de la Tourette's syndrome -->
tourette syndrome
medical dictionary


Both multiple motor and one or more vocal tics present with tics occurring many times a day, nearly daily, over a period of more than one year. The onset is before age 18 and the disturbance is not due to direct physiological effects of a substance or a general medical condition. The disturbance causes marked distress or significant impairment in social, occupational, or other important areas of functioning. (dsm-IV, 1994)

(12 Dec 1998)