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短暂性完全遗忘(TGA)是一种发生于中年及老年的自限性临床综合征。其特征是突然发作的严重顺行性遗忘及保持新信息的短暂无能,并伴随反复提问。在遗忘发作期瞬时记忆,自我意识,环境意识保留。典型发作持续数分钟到数小时并可完全恢复。本综合征30年前已有描述,病因至今仍然不明,有3种主要假说,即类似于TIA 的脑血管病,癫痫及偏头痛。TGA 的预后尚不完全清楚,大多数作者
Transient complete forgetfulness (TGA) is a self-limiting clinical syndrome that occurs in middle-aged and older adults. It is characterized by a severe antegrade forgetfulness of sudden onset and the brief inability to keep new information, with repeated questions. In the forgetful episode instant memory, self-awareness, environmental awareness reserved. The typical episode lasts from minutes to hours and can be fully recovered. This syndrome has been described 30 years ago and the etiology is still unknown. There are three main hypotheses: cerebrovascular disease similar to TIA, epilepsy and migraine. The prognosis of TGA is not fully understood by most authors