Objectives:To study the clinical practice of bulbocavernosus (BCR), isohiocavernosus (ICR) , somatosensory evoked potential (SSEP) in the located diagnosis of nervous system diseases.

• 目的:探讨球海绵体肌反射(BCR)、坐骨海绵体肌反射(ICR)及阴茎背神经体感诱发电位(SSEP)在神经系统病变定位诊断中的应用价值。