Aphasia is an important cause of declining the living level, and the diagnosis and rehabilitation of aphasia depends on knowledge about the structure of brain and the process of language cognitive.

• 失语是脑卒中后导致患者生活质量下降的重要原因之一,对脑功能结构、语言认知过程及其机制的了解是准确诊断失语症及进行有效康复的基础。