The Sexual Response Cycle

The Sexual Response Cycle - The Sexual Response Cycle...

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The Sexual Response Cycle Rachel Crice April 26, 2011 PSY/210 Amber Lee-George Axia College of University of Phoenix
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The sexual response cycle for both males and females is a model, invented by sex researchers William Masters and Virginia Johnson, of male and female sexual responses through four different stages. This cycle is used to describe the changes that occur in males and females when becoming sexually aroused. These four stages are as follows: excitement, plateau, orgasm, and resolution. The sexual response cycle is outlined by engorgement of blood vessels with blood, which swells the genitals and breasts during sexual arousal which is called vasocongestion. The cycle also includes muscle tension, also known as myotonia. The first stage of the sexual response cycle, as stated above, is excitement. This is the lowest level of sexual arousal in both men and women. In men, this causes an erection and in young men can happen as quickly as three to eight seconds. The scrotal skin thickens and the testes get larger and elevate. In women, excitement is defined by vaginal lubrication, which can start within ten to thirty seconds. This vaginal lubrication prepares the vagina for penile penetration. Vasocongestion makes the clitoris swell and flattens or spreads the vaginal lips. The breasts and inner parts of the vagina enlarge and expand. During this phase both men and women’s heart rates and blood pressure rises and their skin may become rosy and flushed. The second phase of the sexual response cycle is called plateau. The level of sexual arousal during this time stays fairly balanced. The head of the men’s penis becomes wider due to vasocongestion and may become a purplish color. Drops of semen can be released from the penis before ejaculation occurs during the orgasmic phase. After the excitement stage, their testes are
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This note was uploaded on 12/17/2011 for the course PSY 210 taught by Professor Williams during the Winter '10 term at University of Phoenix.

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The Sexual Response Cycle - The Sexual Response Cycle...

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