8男，１２岁，小学五年级学生，３个月前无明显诱因出现不能克制的喉部屏气声，伴表情痛苦、紧张，约每分钟１２次，在紧张及家长注意时频率明显增加，注意分散时减轻，张口、饮食或入睡时完全消失。无眨眼、咬唇、摇头、歪颈、耸肩、肢体抽动或躯干扭动，无秽语、模仿言语或模 8 male, 12 years old, fifth grade primary school students, there is no obvious incentive to appear three months ago, the throat breathless voice can not be restrained, with facial expressions pain, nervous, about 12 times per minute, the frequency of attention and stress in parents increased notice, Reduce when dispersed, mouth, diet or fall asleep completely disappear. No blink of an eye, bite lip, shaking his head, crooked neck, shrugging, limb twitching or torso twist, non-foul language, imitating verbal or mold