Sipski M L, Alexander C J, Rosen R C
Kessler Institute for Rehabilitation, West Orange, NJ 07052-1424, USA.
Arch Phys Med Rehabil. 1997 Mar;78(3):305-13. doi: 10.1016/s0003-9993(97)90039-3.
To compare the physiologic sexual responses of women with incomplete spinal cord injuries (SCIs) with and without preservation of the ability to perceive T11-L2 pinprick sensation.
Controlled laboratory-based analysis of responses to varying combinations of audiovisual erotic stimulation, manual genital stimulation, and performance of a distracting task coupled with manual genital stimulation.
The sexual physiology laboratory at our freestanding rehabilitation hospital.
A volunteer sample of 17 women with incomplete SCIs.
Two 78-minute protocols using 6-minute baselines alternating with 12-minute testing conditions. One protocol was designed to study the effects of psychogenic and psychogenic combined with manual sexual stimulation, while the other was designed to examine the effects of genital sexual stimulation performed in conjunction with a distracting task.
Vaginal pulse amplitude, subjective arousal, heart rate, respiratory rate, and blood pressure.
Subjective arousal increased in both groups of subjects with isolated audiovisual erotic stimulation; however, only those subjects with the ability to perceive T11-L2 pinprick sensation had concomitant increases in vaginal pulse amplitude. In contrast, when manual genital stimulation was added to the audiovisual erotic stimulation, both groups of subjects developed increases in vaginal pulse amplitude, whereas only those subjects with the ability to perceive T11-L2 demonstrated a further increase in their level of subjective arousal. Performance of manual genital stimulation in conjunction with a distracting task resulted in significantly increased vaginal pulse amplitude and arousal level only in those subjects with preservation of the ability to perceive T11-L2 pinprick sensation. With the changeover to masturbation, neither group of subjects developed significant increases in vaginal pulse amplitude. During masturbation, both groups of subjects had increases in their level of sexual arousal; however, only those subjects with T11-L2 pinprick preservation had a significant increase.
Women with preservation of the ability to perceive T11-L2 pinprick sensation tended to maintain the ability for psychogenic genital vasocongestion. Psychogenic protocol results showed that all subjects appeared to develop reflex genital vasocongestion when manual stimulation was added to audiovisual erotic stimulation. Manual genital stimulation in conjunction with the performance of a distracting task only resulted in increased vaginal pulse amplitudes in those subjects with preservation of T11-L2 pinprick sensation. We believe that this was due to increased subjective sexual arousal and that the reason all subjects did not develop increased genital vasocongestion under these conditions was due to poor hand function. Further research examining women with lower levels of SCI is necessary to understand the neurophysiology of female sexual response after SCI.
比较保留和未保留T11 - L2针刺觉感知能力的不完全性脊髓损伤（SCI）女性的生理性性反应。
基于实验室的对照分析，针对视听色情刺激、手动生殖器刺激的不同组合以及与手动生殖器刺激相结合的分心任务的反应。
我们独立康复医院的性生理实验室。
17名不完全性SCI女性的志愿者样本。
两个78分钟的方案，6分钟基线期与12分钟测试期交替进行。一个方案旨在研究心理性及心理性与手动性刺激相结合的效果，另一个方案旨在检查与分心任务同时进行的生殖器性刺激的效果。
阴道脉搏振幅、主观唤起、心率、呼吸频率和血压。
在仅接受视听色情刺激时，两组受试者的主观唤起均增加；然而，只有那些保留T11 - L2针刺觉感知能力的受试者阴道脉搏振幅同时增加。相比之下，当在视听色情刺激中加入手动生殖器刺激时，两组受试者的阴道脉搏振幅均增加，而只有那些保留T11 - L2针刺觉感知能力的受试者主观唤起水平进一步增加。与分心任务同时进行手动生殖器刺激仅使那些保留T11 - L2针刺觉感知能力的受试者的阴道脉搏振幅和唤起水平显著增加。转换到自慰时，两组受试者的阴道脉搏振幅均未显著增加。在自慰过程中，两组受试者的性唤起水平均增加；然而，只有那些保留T11 - L2针刺觉感知能力的受试者有显著增加。
保留T11 - L2针刺觉感知能力的女性往往保持心理性生殖器血管充血的能力。心理性方案结果显示，当在视听色情刺激中加入手动刺激时，所有受试者似乎都出现了反射性生殖器血管充血。与分心任务同时进行手动生殖器刺激仅使那些保留T11 - L2针刺觉感知能力的受试者的阴道脉搏振幅增加。我们认为这是由于主观性唤起增加，而在这些条件下所有受试者未出现生殖器血管充血增加的原因是手部功能差。有必要对更低程度SCI的女性进行进一步研究，以了解SCI后女性性反应的神经生理学。
