神经系统的兴奋性问题与电学几乎是与之俱来的。今天,这个原理被用于电刺激皮肤来解除病痛。刺激这种方法在神经肌肉疾病的诊断方面起了重要的作用。例如。在神经传导的研究中,评价神经脉冲的传导速度,可以为判断骨髓质外鞘的完整性提供一些依据。不久前,Merton和Marton实现了通过头皮给人脑的运动中枢一个无创电刺激。他们利用强高压电击来激活运动皮层,从而引起一个很强的、相对同步的肌肉响应,即诱发电位。这个实验为首次研究中枢运动传导通路中的传导速度提供了可能性。从大脑的兴奋性到肌肉的响应延时可分为两部分:中央的和周围的。周围神经通路 The excitability of the nervous system and electrical almost with it. Today, this principle is used to electrically stimulate the skin to relieve the pain. Stimulation This method plays an important role in the diagnosis of neuromuscular diseases. E.g. In the study of nerve conduction, evaluating the conduction velocity of nerve impulse can provide some evidences for judging the integrity of the extramedullary sheath. Not long ago, Merton and Marton achieved a non-invasive electrical stimulation of the motor brain through the scalp to the brain. They use strong and high-voltage shocks to activate the motor cortex, resulting in a strong, relatively synchronous muscle response, the evoked potential. This experiment opens the door for the first time to study the conduction velocity in central motor conduction pathways. The delay from the excitability of the brain to the muscle can be divided into two parts: central and peripheral. Peripheral nerve access