The train stimuli (three pulses, 5ms interval, 0. 5ms duration) induced larger FRP and DRP than those induced by single stimulus. Thus, FRP and DRP both have the property of temporal summation.

• 每一串刺激(3个脉冲；间隔5ms；波宽0.；5ms)诱发的DRP和FRP值均较相应单刺激诱发的为大；即DRP和FRP均有时间总和现象。