一过性完全遗忘(transient globalamnesia TGA)是一种症候群,1956年Bender首次报道,称为“伴有遗忘的精神错乱”(confusion with amnesia)同年Guyotat又以“遗忘发作”(ictusamnesique)为名作了报道。1958年Fisher等结合17例进行了详细分析,并正式命名为“一过性完全遗忘”,指出TGA的特征是:一、中、老年发病,起病急骤;二、发病过程中有短暂记忆缺失及数日至数年的逆行遗忘;三、意识清楚,自我认识良好,能察觉自身的异常;四、24小时内恢复正常;五、无其他神经症状或体征。发病率:TGA发病年龄从25～92 Transient globalamnesia TGA is a syndrome that was first reported by Bender in 1956 as “confusion with amnesia.” In the same year Guyotat again made the name “ictus amnesique” Reported. 1958 Fisher combined with 17 cases were analyzed in detail and officially named as “a transient complete forgetting”, pointed out that the characteristics of TGA are: first, middle-aged and elderly onset, sudden onset; Second, the incidence of transient memory loss And a few days to years retrograde forgetting; Third, a clear sense of self-awareness, can detect their own anomalies; Fourth, return to normal within 24 hours; Fifth, no other neurological symptoms or signs. Incidence: TGA onset age from 25 to 92