What is a Tic?
Brief overview What is a tic? A sudden movement or sound that serves no purpose and cannot be controlled by the person affected. What tics are there? There are motor tics (twitching, blinking, grimacing, stamping, etc.) and vocal tics (clearing the throat, grunting, snapping, repeating words, etc.) in various combinations. The most complex variant is … What is a Tic?
