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阿尔茨海默病的语言障碍特点 被引量:3

Features of language dysfunction in Alzheimer disease
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摘要 语言障碍是大脑高级功能障碍的敏感指标之一.阿尔茨海默病(AD)早期即可出现语言功能障碍,随着疾病的进展,在病程的不同阶段有不同的表现.现对AD语言障碍的特点及临床策略作一综述.1 AD患者语言障碍的特点由于大脑皮层及皮层下语言网络结构及其联络纤维广泛受损,导致AD患者出现语言障碍,并有其特殊的模式及演变过程,涉及口语表达、复述、理解、命名、阅读及书写等各个方面.AD的言语障碍与痴呆严重程度呈正相关.国外学者研究认为,AD患者的语言障碍经历以下四个阶段:命名性失语,经皮质感觉性失语,Wernicke失语,完全性失语.早期AD的言语障碍表现更多具备流利性失语的特征.疾病初期表现为以理解障碍为主,属于经皮层感觉性失语,晚期则出现输出障碍.AD的语言障碍临床主要表现为以下几方面:(1)初期在自发言语中,明显的找词困难是AD患者首先表现的语言障碍.关键词:阿尔茨海默病;语言障碍;评估;
作者 董艳娟
出处 《神经疾病与精神卫生》 2014年第1期83-85,共3页 Journal of Neuroscience and Mental Health
关键词 阿尔茨海默病 语言障碍 评估 治疗 Alzheimer disease Language dysfunction Evaluation Treatment
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