Methods After evaluating the cognitive impairment of 112 patients with ACI using the Revised Visual Retention Test (VRT), we compared the result of VRT test among different groups grouped by number, size and location of the cerebral infarction.

• 方法采用视觉保持测验(VRT)对112例ACI患者的认知功能损伤进行评测,并分析脑梗死灶数量、体积、位置等不同因素对VRT得分的影响。