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老年脑白质变化合并脑梗死的事件相关电位探测

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摘要 目的:探讨老年“脑白质变化”(MRI或CT显示)合并脑梗死对检测事件相关电位(ERP)的影响。方法:检测脑白质变化(WMC)组87例及对照组38例的ERP值,并进行t检验分析。结果;WMC组与对照组相比N_2、P_3峰潜伏期有显著差异(P<0.05~<0.01);WMC各型组间比较P_3(P_(300))峰潜伏期(PL)均有显著性差异(P<0.05~<0.01),Ⅰ~Ⅱ,Ⅲ~Ⅳ型间N_2峰潜伏期有显著差异(P<0.05~<0.01);P_(300)波幅(Amp)均无统计学意义。结论:WMC可引起事件相关电位N_2、P_(300)峰潜伏期延长,它可能比认知能力测试更灵敏,在诊断上有一定意义。
作者 王梅平
出处 《心血管康复医学杂志》 CAS 2004年第3期285-287,共3页 Chinese Journal of Cardiovascular Rehabilitation Medicine
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