ABSTRACT
After spinal cord injury (SCI), the impairment of neural command and its consequences on reproductive organs have been extensively described in humans. Moreover, areas specified by men with SCI to induce sexual arousal when stimulated change as compared to before injury; some men develop new areas of arousal above the level of injury, for instance, the head, neck, and torso. Lesion of the parasympathetic centers impairs reflective erection, secretion, and transmission of the genital stimuli to the spinal cord. Men with incomplete SCI are more likely to experience orgasm than men with complete SCI. In light of the description of a spinal generator of ejaculation in the rat, studies that assessed the occurrence of ejaculation as a function of the status of the spinal segments have been reviewed and meta-analyses have been conducted. Sexual stimulation during masturbation, coitus, or penile vibratory stimulation can induce autonomic dysreflexia even in the absence of ejaculation.
