sexual response cycle

sexual response cycle - Running head: THE SEXUAL RESPONSE...

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Running head: THE SEXUAL RESPONSE CYCLE 1 The Sexual Response Cycle Evelyn M. Millslagle PSY/210 July 18, 2010 Ms. Alesia Nelson
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2 Four phases of the sexual response cycle include excitement, plateau, orgasm and resolution that men and women experience when aroused. Nevid and Rathus (2005) characterized each phase by vasocongestion and myotonia. Vasocongestion is defined as the swelling of genital tissues with blood, while myotonia is defined as muscle tension that is experienced with sexual arousal. These changes are similar but there are some differences in how they affect men and women. Vasocongestion in males create an erection in males after less than ten seconds of sexual stimulation in the excitement stage. The scrotal skin thickens and the testes increase in size and become elevated during this phase. Vasocongestion in females causes the vagina to become lubricated, the clitoris to swell, flattens and spreads the vagina lips, causes the inner part of the vagina to expand, the breasts to enlarge and the blood vessels become more prominent. Commonalities in this phase include rosy sex flush in the skin, erections of the nipples, and myotonia causes an increase of heart and blood pressure in both men and women. Sexual arousal remains stable during the plateau stage. Vasocongestion in males causes the head of the penis to increase in circumference and takes on a purplish hue. While in this phase, vasocongestion causes the testes to increase to one and a half the normal size and elevates the testes to prepare for ejaculation. Vasocongestion in women causes the outer part of the vagina to swell, contraction of the vaginal opening, the expansion of the inner part of the vagina and causes the clitoris to shorten and withdraw beneath the clitoral hood. The commonalities for men and women in this stage include rapid breathing, an increase of heart rate and blood pressure caused by myotonia.
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This note was uploaded on 08/09/2010 for the course ETH 125 taught by Professor Jameshenderson during the Summer '09 term at University of Phoenix.

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sexual response cycle - Running head: THE SEXUAL RESPONSE...

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