Relationships among cardiovascular, muscular, and oxytocin responses during human sexual activity

@article{Carmichael1994RelationshipsAC,
  title={Relationships among cardiovascular, muscular, and oxytocin responses during human sexual activity},
  author={M. Carmichael and V. Warburton and J. Dixen and J. Davidson},
  journal={Archives of Sexual Behavior},
  year={1994},
  volume={23},
  pages={59-79}
}
To determine the psychophysiological correlates of hormonal response during sexual activity, systolic blood pressure (SBP), anal electromyography (EMG), and anal photoplethysmography (APG) were monitored continuously throughout testing in 13 women and 10 men. Each subject completed two or more tests of self-stimulation to 5 min beyond orgasm. Blood samples were obtained continuously for measurement of oxytocin (OT) levels. In both men and women, very high positive correlations were observed… Expand
Specificity of the neuroendocrine response to orgasm during sexual arousal in men.
TLDR
The results reinforce a role for prolactin either as a neuroendocrine reproductive reflex or as a feedback mechanism modulating dopaminergic systems in the central nervous system that are responsible for appetitive behavior. Expand
NEUROENDOCRINE AND CARDIOVASCULAR RESPONSE TO SEXUAL AROUSAL AND ORGASM IN MEN
TLDR
Orgasm induced transient increases in heart rate, blood pressure and noradrenaline plasma levels and none of the other endocrine variables were significantly affected by sexual arousal and orgasm. Expand
Neuroendocrine response to film-induced sexual arousal in men and women
TLDR
Analysis of prolactin, adrenaline, noradrenaline, and cortisol concentrations, together with cardiovascular variables of systolic/diastolic blood pressure and heart rate were undertaken during film-induced sexual arousal, demonstrating that increases in plasma Prolactin during sexual stimulation are orgasm-dependent and suggesting that prolact in may regulate a negative-feedback sexual-satiation mechanism. Expand
Cardiovascular and endocrine alterations after masturbation-induced orgasm in women.
TLDR
Sexual arousal and orgasm produce a distinct pattern of neuroendocrine alterations in women, primarily inducing a long-lasting elevation in plasma prolactin concentrations, suggesting that Prolactin is an endocrine marker of sexual aroused and orgasm. Expand
Oxytocin plasma levels in orgasmic and anorgasmic women
TLDR
The repetitive processes to experience the sexual body sensations could represent a survival behavior of species by attachment to a partner in women affected by anorgasmia. Expand
Menstrual cycle-related changes in plasma oxytocin are relevant to normal sexual function in healthy women
TLDR
It is suggested that plasma OT fluctuates throughout the menstrual cycle in normally cycling healthy fertile women with adequate sexual activity but not taking any oral contraceptive pill, apparently confirming its role in peripheral activation of sexual function. Expand
The acute effects of intranasal oxytocin administration on endocrine and sexual function in males
TLDR
In conclusion, intranasally administered OT leads to a marked increase in OT plasma levels together with increased secretion of catecholamines when subjects are engaged in sexual activity in a laboratory setting. Expand
Effects of Intranasal Oxytocin Administration on Sexual Functions in Healthy Women: A Laboratory Paradigm
TLDR
The findings indicate that OXT is not able to significantly increase subjective and objective parameters of sexual function in a setting with high internal validity; however, this might be different in a more naturalistic setting. Expand
Orgasm-induced prolactin secretion: feedback control of sexual drive?
TLDR
A theoretical model of the role of PRL as a neuroendocrine reproductive reflex is proposed, suggesting that PRL may represent a peripheral regulatory factor for reproductive function, and/or a feedback mechanism that signals CNS centres controlling sexual arousal and behaviour. Expand
An examination of psychophysiological measures of sexual arousal
The scientific study of sex has involved several forms of data collection methods, including surveys, case studies, and observations. Most recently, researchers have developed sexualExpand
...
1
2
3
4
5
...

References

SHOWING 1-10 OF 41 REFERENCES
Plasma oxytocin increases in the human sexual response.
TLDR
Plasma OT levels increased during sexual arousal in both women and men and were significantly higher during orgasm/ejaculation than during prior baseline testing, suggesting that the temporal pattern of secretion could be related to smooth muscle contractions of the reproductive system during orgasm. Expand
Changes in oxytocin and vasopressin secretion during sexual activity in men.
TLDR
It is concluded that in man AVP is secreted during sexual arousal, and there is, subsequently, a selective release of OT at the time of ejaculation. Expand
The male orgasm: Pelvic contractions measured by anal probe
TLDR
Pelvic muscle contractions during sexual response can be monitored conveniently by the anal probe method described, and individuals' patterns could be grouped into three types, based chiefly on the location of the regular contraction series within the subjective span of orgasm. Expand
The female orgasm: Pelvic contractions
TLDR
Eleven nulliparous women manually self-stimulated to orgasm, each on three separate occasions, and women of different types showed marked differences in orgasm duration and number of contractions. Expand
Vaginal and pelvic floor responses to sexual stimulation.
TLDR
Vaginal vascular responses to vibratory stimulation of the clitoris, recorded as changes in the amplitude of oscillations of light reflectance at the heart-beat frequency, are very repeatable and may be regarded as a tonic counterpart of the well-known phasic bulbocavernosus reflex. Expand
Blood pressure and respiratory patterns during human coitus.
  • C. Fox, B. Fox
  • Medicine
  • Journal of reproduction and fertility
  • 1969
TLDR
A peak of blood pressure and a sudden change in respiratory pattern were noted at the male and female sexual climax and blood drawn from the vein took on the color of arterial blood (a bright scarlet). Expand
Naloxone inhibits oxytocin release at orgasm in man.
TLDR
It is concluded that opioid receptor blockade with naloxone has an inhibitory effect on the neural pathways mediating the oxytocin response at orgasm. Expand
Release of an oxytocic substance following genital stimulation in bulls.
Summary. The oxytocic activity of the jugular blood plasma of bulls before and after copulation, ejaculation into an artificial vagina, massage of the seminal vesicles and ampullae and stimulationExpand
Effects in vivo of neurohypophysial hormones on the contractile activity of accessory sex organs in male rabbits.
  • P. Melin
  • Biology, Medicine
  • Journal of reproduction and fertility
  • 1970
TLDR
The results support the theory that neurohypophysial hormones may regulate sperm transport in the male through their effects on the contractile elements of the genital organs, possibly being complementary in their actions. Expand
Release of neurophysin I and oxytocin by stimulation of the genital organs in bulls.
TLDR
No release of peptides was observed during successive matings with a cow in oestrus or during successive mountings on a cow with ejaculations into an artificial vagina, which might indicate that hormone release is by exocytosis. Expand
...
1
2
3
4
5
...