方法确诊急性脑中风患者50例，应用洛文斯顿治疗用认知评定成套测验（LOTCA）评定其认知功能，评定周期为发病后半月、1月、2月、3月，共4次；

Methods 50 patients with certain acute stroke, use LOTCA to evaluate their cognitive function, the evaluate cycle is half month, 1 month, 2 months and 3 months since the onset, amount to 4 times.

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