Ware J C, Karacan I, Salis P J, Thornby J, Hirshkowitz M
Sleep. 1984;7(3):247-54. doi: 10.1093/sleep/7.3.247.
The etiology of erectile failure is not always clear despite the fact that recordings of nocturnal penile tumescence (NPT) are used to detect patients with a significant organic component to their complaint. We recorded electrodermal activity in addition to NPT in 60 impotent patients. Normally more electrodermal activity occurs in stage 2 than in stage REM sleep. Despite a similar total amount of electrodermal activity, organically impotent patients tended to have less electrodermal activity in stage 2 and more in stage REM sleep than those with normal NPT. This difference was due to a subgroup of 15 organically impotent patients with less electrodermal activity in stage 2 than in stage REM sleep. Because of this difference in the pattern of electrodermal activity in relation to sleep stages, the results suggest a central nervous system change is related to impaired erectile capability and abnormal NPT in these cases.
尽管夜间阴茎勃起（NPT）记录被用于检测有明显器质性成分主诉的患者，但勃起功能障碍的病因并不总是明确的。我们对60例阳痿患者除记录NPT外还记录了皮肤电活动。正常情况下，快速眼动（REM）睡眠期的皮肤电活动比非快速眼动睡眠期的第2阶段更多。尽管总的皮肤电活动量相似，但器质性阳痿患者在第2阶段的皮肤电活动往往比NPT正常的患者少，而在REM睡眠期则更多。这种差异是由于15例器质性阳痿患者组成的亚组，其在第2阶段的皮肤电活动比REM睡眠期少。由于皮肤电活动模式与睡眠阶段的这种差异，结果表明在这些病例中，中枢神经系统变化与勃起能力受损及异常NPT有关。
