Copyright articles about everything Interesting and informative opinion articles about everything. Sensitivity and behavioral responses to the pheromone androstenone are not mediated by the vomeronasal organ in domestic pigs. However, recent scientific research has shown that there is no considerable difference for the time men and women require to become fully aroused.
This hypothesis suggests that, provided there is enough of an increase in vaginal blood flow for vaginal lubrication to occur in a sexual context, the magnitude of arousal need not be consistent. Translated from Russian by Maxim Shafeyev 3 ed. The basic incentive-motivation model of sex suggests that incentive cues in the environment invade the nervous system, which results in sexual motivation. The sex gradient may be the result of the threefold difference in plasma levels as well as different skin flora.