Motor evoked potential(MEP) on the upper and lower extremities of 22 healthy volunteers induced by transcutaneous electric and magnetic stimulation of the motor cortex and spinal cord were studied.

• 在22名正常成人志愿者的上下肢比较电与磁两种经皮运动皮层、脊髓刺激法所引出之运动诱发电位（MEP）的差异。