这个词是什么意思？
Disorders characterized by recurrent TICS that may interfere with speech and other activities. Tics are sudden, rapid, nonrhythmic, stereotyped motor movements or vocalizations which may be exacerbated by stress and are generally attenuated during absorbing activities. Tic disorders are distinguished from conditions which feature other types of abnormal movements that may accompany another another condition. (From DSM-IV, 1994)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D013981 · MeSH 2026。
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