汉语纯失读症个案研究

对1例左侧枕叶和胼胝体压部脑梗死所致的纯失读症患者进行语言和认知能力检查，并针对患者的失读特点设计详细的阅读检查任务。结果显示，纯失读症可能是由于字形系统（正字法）到字形输入词典联系的中断，导致患者不能从心理词典中提取字词的语音和语义所致。纯失读症患者可能存在一定程度的一般视知觉加工障碍，但是否是文字阅读障碍的本质尚待进一步研究。

Pure Alexia in Chinese: A Case Report

A patient with pure alexia after occipital lobe and splenium infarction was investigated systematically in cognition and speech. It suggested that the damage of the route from orthographic processing to mental lexicon might cause reading disability, that meant the patient can not extract the phonological and semantic information from the mental lexicon. This patient presented some visual perception disorder, but the significance of visual perception still needs further research.