针刺对正中神经体感诱发电位N_(80)变化特点的实验观察

Observation on the Change of N80 Electric Potential in Nervi Medianus Induced by Needling Sensation

观察了手针与电针(20Hz,1～2V)与(20Hz,2～5V)对正常人正中神经体感诱发电位皮层成分P_(45)～N_(80)波幅,潜伏时的影响。结果表明,手针与电针刺激N_(80)波幅呈增高性变化,且弱电针与强电针刺激N_(80)波幅增高显著(P<0.01,P<0.001);手针与电针对 皮层成分潜伏时的影响未见明显变化规律。