脑卒中后语言障碍

The language disorder after stroke

失语症是脑卒中后的主要语言障碍。它通常是由于左侧大脑损害造成理解和运用语言符号系统表达的能力受损,并伴有右侧运动机能减弱或偏瘫。它不属于智能减弱、知觉丧失或运动机能障碍。在Framingham研究中,分别有18%和16%的长期脑卒中存活者被发现有失语症和呐吃。失语症严重影响了患者的生活。一个多世纪以来,学者们对失语症进行了各方面的研究与发展。介绍失语症的分类、评估及治疗。

Aphasia is most common language disorder after stroke. It usually results from left hemisphere brain damage and is associated with right sided motor weakness or paralysis. There is impairment of the ability to comprehend and formulate language symbols that is not attributable to decreased intellectual function, sensory loss, or motor dysfunction. Evidence from the Framingham Study showed that 18%and 16%of long term stroke survivors manifested aphasia and dyarthria, respectively. Aphasia affects the life of patient badly. Since a century, scholars have studied aphasia all sides. This article briefs the classification, the evaluation and the treatment of aphasia.