Children with tic disorder

Tic disorder refers to the onset of childhood and adolescents. It mainly manifests as involuntary, purposeless, repetitive, and rapid motor tics and vocal tics in one or more parts of a muscle group. ), And may be accompanied by other behavioral symptoms, including inattention, hyperactivity, self-injury, and obsessive-compulsive disorder. The etiology of tic disorder is not yet understood, and the course is different. If it persists for a long time, it can become a chronic neuropsychiatric disorder. The most common childhood is transient tic disorder, also known as tic disorder or habitual spasm, with a prevalence of about 1% to 7%. There are more men than women, and the majority are aged 5-7. The foreign literature reports that the prevalence of Tourette syndrome (trigger-profane language syndrome) is 0.1% to 0.5%. In recent years, the number of reported cases in China has increased, but there is less data on epidemiological investigations. Gao Qingyun (1984) surveyed 17,727 children aged 8 to 12, and found 43 patients with Tourette-Syndrome, with a prevalence of 2.42permil; the city was higher than the countryside, and found that there was a significant difference between environmentally polluted and non-polluted areas.

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