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tourette syndrome causes of disorder
tourette syndrome causes of disorder The child with Tourette syndrome displays involuntary muscle movements and vocal sounds that occur gradually between 2 and 15 years of age. Muscle movements are commonly referred to as motor tics and can affect any part of the body. Vocal sounds are called vocal tics and may involve inappropriate words.
There is no known cause of Tourette syndrome. Researchers report that children
diagnosed with Tourette syndrome also have decreased levels of acetylcholine,
dopamine, GABA, norepinephrine, and serotonin. There is also abnormal
metabolism in areas of the brain. Some believe that emotional trauma during
the first trimester of pregnancy may predispose the child to Tourette syndrome.
Symptoms increase when the child is under stress.
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