Hemiplegia (one-sided paralysis) is usually caused by stroke or brain tumor on the opposite side.Diplegia (two-sided paralysis, as in cerebral palsy) results from generalized brain disease.

• 偏瘫通常是由中风或大脑另一侧的肿瘤引起，双侧瘫痪（如大脑性麻痹）则由一般的脑部疾病所致。