Alzheimer's disease involves parts of the brain that control thought, memory, and language and can seriously affect a person's ability to carry out daily activities.

阿尔茨海默病与大脑中管理思维，记忆和语言的部位有关，并且会对人们日常行为活动有很严重的影响。

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Dysphasia may develop as a result of vascular, neoplastic, traumatic, infective or degenerative disease of the cerebrum when language areas are involved.

大脑语言区内的血管疾病、肿瘤、创伤、感染或退化性疾病都可能会造成失语症。

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Scientists have discovered the genetic secrets of a devastating disease that gradually robs healthy infant girls of their language, mental functioning and ability to interact with others.

BBC: News | Health | Scientists crack secret of child disease