[例1]女,15岁。近一年来无明显诱因经常出现发作性黑矇,发作时视力完全丧失,但意识清楚,多站立原地不动,持续3～5分钟,可自动缓解,无抽搐。近一个月出现发作性意识丧失、四肢抽搐、吐白沫,小便失禁;黑矇发作亦较频繁,最多3～4次/日。神经系统检查(一)。1982年5月3日入院做脑电图;各导示短程、低至中波幅、9～10c/sα节律,波形欠 [Example 1] Female, 15 years old. In the past year there is no obvious incentive seizures often dark, complete loss of vision during the attack, but a clear sense of more standing still, for 3 to 5 minutes, can be automatically relieved, no convulsions. Nearly a month of episodic sexual loss, limbs twitch, spit foam, urinary incontinence; malaise episodes are more frequent, up to 3 to 4 times / day. Neurological examination (a). May 3, 1982 admission to do EEG; each show short-range, low to medium amplitude, 9 ~ 10c / sα rhythm, waveform