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Chronic motor tic disorder

Definition:

Tics are repeated, uncontrollable bursts of activity or speech. Chronic motor tic disorder involves rapid, recurrent, uncontrollable movements or vocal outbursts (but not both).

Alternative Names:

Chronic vocal tic disorder; Tic - chronic motor tic disorder

Causes, incidence, and risk factors:

About 1 to 2% of the population has chronic motor tic disorder. The condition is more common than Tourette's Syndrome , but not as common as  transient tic disorder , which occurs and then stops without treatment within a year.

It is thought that all types of chronic tics are types of Tourette's Syndrome.

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