Try out PMC Labs and tell us what you think. Learn More. Orgasm is one of the most intense pleasures attainable to an organism, yet its underlying mechanisms remain poorly understood. On the basis of existing literatures, this article introduces a novel mechanistic model of sexual stimulation and orgasm. In doing so, it characterizes the neurophenomenology of sexual trance and climax, describes parallels in dynamics between orgasms and seizures, speculates on possible evolutionary origins of sex differences in orgasmic responding, and proposes avenues for future experimentation. Here, a model is introduced wherein sexual stimulation induces entrainment of coupling mechanical and neuronal oscillatory systems, thus creating synchronized functional networks within which multiple positive feedback processes intersect synergistically to contribute to sexual experience. These processes generate states of deepening sensory absorption and trance, potentially culminating in climax if critical thresholds are surpassed.
Sexual rhythms and evolution
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But variety really is the spice of life. You wouldn't eat the same three meals every day, nor would you wear the same outfit over and over. So why not expand your sexual horizons and explore the 11 different types of orgasms the female body is capable of? Before getting started, it helps to understand what an orgasm actually is. Each climax can feel different in terms of intensity and duration, depending on how and what part of your body is being aroused, she says. Besides providing a physical release, it's also an emotional one—allowing you to feel closer to your partner or simply de-stress after a tough day. Some kinds of orgasm focus on the vagina only; others allow you to feel earth-quaking intensity in places you never thought of as erogenous zones. You owe it to yourself to find out the pleasure your body can experience—allow us to get you up to speed with all the different Os out there. The clitoris is the go-to sweet spot for most women when they want to experience the pleasure and release of an orgasm. But while clitoral orgasms may be the most accessible kind, this tiny, mostly hidden bliss button is highly individualistic.
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Many women will experience difficulty reaching orgasm from time to time. And for some, sexual climax remains frustratingly elusive. We look at the common issues that can hinder orgasm and find out how women can improve their chances of getting there. Sexual satisfaction is a key aspect of physical and emotional well-being, yet far fewer women than men report reaching orgasm regularly. Women are more likely to orgasm through masturbation when alone , than with a partner. Dr Becky Spelman, a psychotherapist and couples counsellor at the Private Therapy Clinic , London, says difficulty reaching orgasm is a common issue for women. Hormonal fluctuations, health issues and the side-effects of common medications can also make sexual climax difficult to achieve.
They are usually associated with involuntary actions, including muscular spasms in multiple areas of the body, a general euphoric sensation and, frequently, body movements and vocalizations. Human orgasms usually result from physical sexual stimulation of the penis in males typically accompanying ejaculation and of the clitoris in females. The health effects surrounding the human orgasm are diverse. There are many physiological responses during sexual activity, including a relaxed state created by prolactin, as well as changes in the central nervous system such as a temporary decrease in the metabolic activity of large parts of the cerebral cortex while there is no change or increased metabolic activity in the limbic i. These effects affect cultural views of orgasm, such as the beliefs that orgasm and the frequency or consistency of it are either important or irrelevant for satisfaction in a sexual relationship,  and theories about the biological and evolutionary functions of orgasm.