患者,女,12岁,发作性吐唾沫3年。3年前患者开始无诱因出现发作性吐唾沫,伴流涎、言语不能。发作前数秒钟患者有恐惧感,但无幻嗅等感觉异常,不伴意识障碍、昏倒、瞪视、肢体抽搐,咀嚼、摸索动作及大小便失禁。吐唾沫及流涎持续约1~2 min后自行停止。发作后对发作过程能回忆,但感 Patient, female, 12 years old, paroxysmal spit 3 years. 3 years ago, the patient began to have episodes of spit no incentive, salivation, speech can not. A few seconds before the onset of the patient has a sense of fear, but no magic smell and other sensory abnormalities, without consciousness disturbance, fainting, staring, limb twitching, chewing, groping action and incontinence. Spit saliva and salivation lasted about 1 ~ 2 min stop themselves. Attack after the attack process can recall, but flu