For Tourette's disorder we have a term and definition in Mental Health.

In DSM-IV, this category includes Tourette's disorder, chronic motor or vocal tic disorder, transient tic disorder, and tic disorder not otherwise specified; all beginning before the age of 18 years. Chronic tics may occur many times a day, nearly every day, or intermittently over a period of more than a year. Transient tics do not persist for longer than 12 consecutive months.
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