Annual Review of Sex Research. A scientific study to successfully document natural, fully ejaculatory, multiple orgasms in an adult man was conducted at Rutgers University in They argue that the presence of this particular frequency of contractions can distinguish between voluntary contraction of these muscles and spontaneous involuntary contractions, and appears to more accurately correlate with orgasm as opposed to other metrics like heart rate that only measure excitation. A Test of Two Hypotheses". Retrieved 1 February
In some cases, the ability to experience multiple orgasms may increase after medical procedures that reduce ejaculation eg, prostatectomy or castrationbut what factor s influence this phenomenon is poorly investigated.
Multiple Orgasms in Men-What We Know So Far.
Differences were reported in the brains of men and women during stimulation. During her orgasm, her pelvic muscles contracted and her cervix repeatedly dipped into a pool of semen in the vaginal fornixas if to ensure that sperm would proceed by the external orifice of the uterusmaking conception more likely. The lack of vaginal genatility was later shown by sex-economy to be an artifact of our culture, which suppresses genitality completely and instills castration anxiety not only in the boy but also in the girl. The Technology of Orgasm: Archived PDF from the original on March 4, Orgasm in non-human animals has been studied significantly less than orgasm in humans, but research on the subject is ongoing.