Methods:The mini-mental state examination(MMSE),clinical dementia review(CDR)and P300 were tested in MCID,multiple cerebral infarction(MCI)and control(NC)groups.

• 方法:用简易智能状态量表(MMSE)、临床痴呆评定量表(CDR)和听觉P300检测MCID,多发性脑梗塞(MCI)和正常对照组(NC)。