This article reviews current knowledge about the impact of SCI on male
and female sexual responses including erectile function, lubrication
ejaculation and orgasm. The ability to achieve erection, lubrication a
nd ejaculation can be described based upon the degree and type of neur
ologic injury affecting the sacral spinal segments. The ability of SCI
individuals to achieve orgasm has not been found to be based upon the
type of degree of neurologic injury. The implications of these findin
gs to increase our understanding of human sexual neurophysiology is al
so discussed.