Medical Definition of Motor tic
1.
A repetitive spasmodic movement of the eyes or facial muscles. May also involve the neck or shoulders.
Tics are most common in children. The cause is unknown but may be linked to stress. Tics are more common in children with attention deficit hyperactivity disease. Most tics require no treatment and resolve on their own with patient education.
(27 Sep 1997)
Lexicographical Neighbors of Motor Tic
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