A Study of Transcranial Magnetic Stimulation Motor Evoked Potentials on Amyotrophic Lateral SclerosisBackground:Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease affecting both lower and upper motor neurons (UMN).

• 肌萎缩侧索硬化症(amyotrophic lateral sclerosis，ALS)是一种慢性进行性神经系统变性病，以上、下运动神经元变性为特征。