A tic is a sudden, repetitive, nonrhythmic motor movement or vocalization involving discrete muscle groups. Common motor and phonic tics are, respectively, eye blinking and throat clearing. Tics must be distinguished from movements of other movement disorders such as choreadystoniamyoclonus ; movements exhibited in stereotypic movement disorder or some autistic people, and the compulsions of obsessive—compulsive disorder OCD and seizure activity.
A facial tic is a recurring, involuntary spasm of your facial muscles.
Use this simple self-quiz to determine if your involuntary movements or sounds may be signs of a tic disorder. Discuss the results with a trained medical professional. A tic is a sudden, brisk, repeated movement or twitch of an entire group of muscles, or short utterances that can vary from grunts to barks to clearing the throat. They happen on their own so automatically that individuals with tics commonly are not aware of them.
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