DemonKia
Posts: 5521
Joined: 10/13/2007
From: Chico, Nor-Cali
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FR, after read thru
Hmmmmmm . . . . . There was a lot of stuff in this thread, it was a fun read. I think I'm gonna start with relevant excerpts from the Wiki about orgasm, then I'll talk about some of my stuff in a later post.
The article linked early in this thread, claiming to describe how to spot faux orgasms? It seemed to be describing arousal way more than actual orgasm. The definition of a female orgasm is itself a bit hazy, but Wiki does a decent job of compiling the current state of understanding. I also threw in some other snippets that seemed pertinent to the discussion:
Clinical definition stuff:
"...Orgasm is usually defined in a clinical context strictly by the muscular contractions involved, and also by characteristic patterns of change in heart rate, blood pressure, and often respiration rate and depth.[4] But this way of viewing orgasm is merely physiological, while there are also psychological, endocrinological, and neurological definitions of 'orgasm'.[24]
In these and similar cases, the sensations experienced are subjective and do not necessarily involve the involuntary contractions characteristic of orgasm...."
...
"...erection of the clitoris and moistening of the opening of the vagina. Some women exhibit a sex flush, a reddening of the skin over much of the body due to increased blood flow to the skin. As a woman nears orgasm, the clitoral glans moves inward under the clitoral hood, and the labia minora (inner lips) become darker. As orgasm becomes imminent, the outer third of the vagina tightens and narrows, while overall the vagina lengthens and dilates and also becomes congested from engorged soft tissue.[42] Elsewhere in the body, the breasts swell because myofibroblasts of the nipple-aerolar complex contract, causing erection of the nipples and contraction of the aerolar diameter, reaching their maximum at the start of orgasm.[citation needed] The uterus then experiences a series of between 3 and 15 muscular contractions[citation needed]. A woman experiences full orgasm when her uterus, vagina, anus, and pelvic muscles undergo a series of rhythmic contractions. Most women find these contractions very pleasurable. By the end of orgasm, breast size has returned to normal, but nipples take longer than the rest of the breast.
Recently, researchers from the University Medical Center of Groningen, the Netherlands, correlated the sensation of orgasm with muscular contractions occurring at a frequency of 8–13 Hz centered in the pelvis and measured in the anus. 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. They claim to have identified "[t]he first objective and quantitative measure that has a strong correspondence with the subjective experience that orgasm ultimately is". They note that the measure of contractions that occur at a frequency of 8–13 Hz is specific to orgasm. They found that using this metric they could distinguish from rest, voluntary muscular contractions, and even unsuccessful orgasm attempts.[43]..."
Spontaneous orgasms:
"...Orgasms can be spontaneous, seeming to occur with no direct stimulation. Occasionally, orgasms can occur during sexual dreams (see nocturnal emission).
The first orgasm of this type was reported among people who had spinal cord injury (SCI). Although SCI very often leads to loss of certain sensations and altered self-perception, a person with this disturbance is not deprived of sexual feelings such as sexual arousal and erotic desires. Thus some individuals are able to initiate orgasm by mere mental stimulation.
Some non-sexual activity may result in a spontaneous orgasm. The best example of such activity is a release of tension that unintentionally involves slight genital stimulation, like rubbing of the seat of the bicycle against genitals during riding, exercising, when pelvic muscles are tightened or when yawning or sneezing.
It was also discovered that some anti-depressant drugs may provoke spontaneous climax as a side effect.[11] There is no accurate data for how many patients who were on treatment with antidepressant drugs experienced spontaneous orgasm, as most were unwilling to acknowledge the fact...."
The clitoris & orgasm:
"...Recent discoveries about the size of the clitoris show that clitoral tissue extends some considerable distance inside the body, around the vagina. This discovery may possibly invalidate any attempt to claim that clitoral orgasm and vaginal orgasm are two different things.[6]
The link between the clitoris and the vagina reinforces the idea that the clitoris is the 'seat' of the female orgasm. It is now clear that clitoral tissue is far more widespread than the small visible part most people associate with the word. It is possible that some women have more extensive clitoral tissues and nerves than others, and therefore whereas many women can only achieve orgasm by direct stimulation of the external parts of the clitoris, for others the stimulation of the more generalized tissues of the clitoris via intercourse may be sufficient...."
& this tidbit:
"...A 2005 twin study found that one in three women reported never or seldom achieving orgasm during intercourse, and only one in ten always orgasmed. This variation in ability to orgasm, generally thought to be psychosocial, was found to be 34% to 45% genetic. The study, examining 4000 women, was published in Biology letters, a Royal Society journal...."
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RE: Orgasm Control - how to? - 
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