Tic Disorders and Tourette Syndrome in Children and Adolescents (Tourette's Syndrome) By M Cristina Victorio, MD, Akron Children's Hospital Reviewed / Revised Mar 2023 View Patient Education Classification Symptoms and Signs Diagnosis Treatment Key Points More Information Topic Resources Types of Tics Tics are defined as repeated, sudden, rapid, nonrhythmic muscle movements including sounds or vocalizations.