AIM: To evaluate the clinical value of event related potential P300 as assessment of cognitive function disorder in the patients with vascular dementia (VD).

目的：评价事件相关电位P 300作为血管性痴呆患者认知功能障碍客观指征的临床价值。

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OBJECTIVE: to study the changes of event related potential (P300) in order to explore the cognitive damages of tia patients, as well as its possible mechanism.

目的：研究TIA患者的事件相关电位(P 300)的变化，探讨TIA患者的认知损害及可能的机制。

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Methods: The cognitive function of 70 cases with IDA and 30 normal school-agers were studied by means of IQ and event-related potential (ERP) determination.

方法：采用智商(IQ)、事件相关电位(erp)测试的方法对70例ida、30例正常小学生的认知功能进行对照测查。

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