Motor Activity

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Definition

Chronic motor tic disorder involves quick, 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 syndrome. However, it is not as common as transient tic disorder.

Chronic tics may be forms of Tourette syndrome.


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