stimulating electrode

?Results When the earthing line was placed between the stimulating electrode and leading electrod.

结果刺激电极、引导电极位于地线的两侧,能引导出神经干动作电位、且刺激伪迹较小,反之则引导不到动作电位;2个刺激电极之间的距离主要影响动作电位的波形;2个引导电极之间距离对双相动作电位负相波的波宽影响不明显而对波幅影响明显,正相波的波幅变化不明显而波宽变化较大。