The duration of the refractory period varies among men and changes with age. Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Sexual Response Cycle The sexual response cycle includes the phases of desire, arousal, orgasm and resolution. Each stage of the cycle is described. What is the sexual response cycle? What are the phases of the sexual response cycle? Phase 1: Desire General characteristics of this phase, which can last from a few minutes to several hours, include the following: Muscle tension increases.
Heart rate quickens and breathing is accelerated. Skin may become flushed blotches of redness appear on the chest and back. Nipples become hardened or erect. Vaginal lubrication begins.
Phase 2: Arousal General characteristics of this phase, which extends to the brink of orgasm, include the following: The changes begun in phase 1 are intensified. The vagina continues to swell from increased blood flow, and the vaginal walls turn a dark purple. Breathing, heart rate and blood pressure continue to increase.
In ancient hunter-gatherer days, men only needed to do the deed to spread their genes, while women had to stay alive long enough to birth and raise the young. They tend to use more indirect forms of confrontation, he told LiveScience. Brain-imaging studies over the last 10 years have shown that male and female brains respond differently to pain and fear. And, women's brains may be the more sensitive of the two.
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The female brain is not only more responsive to small amounts of stress but is less able to habituate to high levels of stress, said Debra Bangasser of the Children's Hospital of Philadelphia, describing her recent research looking at molecular changes in the brain. Bangasser's research was conducted in rats but is considered potentially applicable to humans. Stress sensitivity may have some benefits; it shifts one's mental state from being narrowly focused to being more flexibly and openly aware.
But if the anxiety is prolonged, it can be damaging. Such findings may help explain why women are more prone to depression , post-traumatic stress disorder and other anxiety disorders, the researchers told LiveScience.
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The research was published in the June issue of Molecular Psychiatry. Women may also have evolved extra-sensitivity to interpersonal cues as a way to avoid conflict, a state that can feel intolerable to women, according to Brizendine. The flood of chemicals that takes over the female brain during a conflict -- especially within an intimate relationship — is almost on the same order as a seizure, she explains.
Possibly because of their overachievement in "mind reading," women often find blank expressions, or a lack of response, completely unbearable. A young girl will go to great lengths trying to get a response from a mime while a boy will not be nearly so determined, Brizendine said. For females in particular, a negative response may be better than no response at all.
For women to get in the mood, and especially to have an orgasm , certain areas of her brain have to shut off. And any number of things can turn them back on. A woman may refuse a man's advances because she is angry, feeling distrustful -- or even, because her feet are chilly, studies show. Pregnancy, caring for small children and menopause can also take a toll on a woman's sex drive although some women experience a renewed interest in sex after The Change.
Best advice for a turned-on dude?
Plan ahead. For women, it is everything that happens 24 hours beforehand," Brizendine said. Progesterone increases fold in the first eight weeks of pregnancy, causing most women to become very sedated, Brizendine said. Don't worry; it returns to normal size by six months after delivery. Whether pregnancy causes women to think differently is controversial -- one recent study linked memory problems to pregnancy hormones -- but some researchers have suggested the changes prepare brain circuits that guide maternal behavior. I know, it seems pretty simple, but a lot of guys overlook this very basic step.
If you want women to take an interest, act in a way that makes them think that being with you would be fun. Laugh with your friends.
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Put out a vibe of approachability and positivity. Look at your surroundings and take note of any girls who seem to also notice you. You can use the signs she likes you to avoid the fear of rejection. Now that you know how to tell if a girl likes you dating can actually be fun. Start here.