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Tics in children

Abstract

Tics, or habit spasms, are frequent in childhood. They are sudden brisk involuntary contractions of muscles around the eyes or lower part of the face, and may spread to cause jerking of the neck, trunk and limbs. They are repetitive, non-purposeful, unilateral or bilateral and resemble the normal motor accompaniments of the startle reaction to a sudden, loud noise.

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