Sexual Arousal and Response Chapter 4 This multimedia product and its contents are protected under copyright law. The following are prohibited by law: any public performance or display, including transmission of any image over a network; preparation of any derivative work, including the extraction, in whole or in part, of any images; any rental, lease, or lending of the program. Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Making Sense of Sex Vision Smell Aphrodisiacs Drug or agent that is sexually arousing or increases sexual desire (continued) Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Making Sense of Sex Smell (continued) Pheromones Secreted by certain animals and convey information to, or produce a specific response in, others of the same species Menstrual synchrony Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Making Sense of Sex Skin senses Erogenous zones Especially sensitive to tactile stimulation Primary erogenous zones areas richly endowed with nerve endings Secondary erogenous zones erotically sensitized through experience Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Making Sense of Sex Taste Biologically arousing or learned? Hearing Talking dirty Music Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Aphrodisiacs Aphrodisiacs Drugs or other agents that increase sexual pleasure or response Anaphrodisiacs Drugs or other agents that are antagonistic to sexual arousal and desire Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Aphrodisiacs Psychoactive drugs Alcohol Hallucinogenic Marijuana, LSD, mescaline Stimulants Amphetamines, cocaine, crystal methamphetamine Copyright © 2007 Pearson Education Canada
Sexual Response and the Brain Copyright © 2007 Pearson Education Canada
Sexual Response and the Brain Cerebral Cortex Surface area of the cerebrum Limbic System Group of structures active in memory, motivation, and emotion Form a fringe along the inner edge of the cerebrum Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Sex Hormones Hormones Regulate various body functions Secondary sex characteristics Physical traits not directly involved in reproduction Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Sex Hormones Sex hormones and sexual behaviour Organizing effects Activating influences Transsexuals Gender identity disorder Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Sex Hormones Sex hormones and male sexual behaviour Hypogonadism Abnormally low levels of testosterone Sex hormones and female sexual behaviour Ovariectomy Surgical removal of the ovaries Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Sexual Response Cycle Sexual response cycle Excitement phase Plateau phase Orgasmic phase Resolution phase Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Sexual Response Cycle Vasocongestion Swelling of the genital tissue with blood Myotonia Muscle tension Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Sexual Response Cycle Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Sexual Response Cycle Excitement phase Erection in the male Vaginal lubrication in the female Increased myotonia, heart rate, and blood pressure Sex flush Reddish rash on the chest or breasts Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Sexual Response Cycle Plateau phase Increases in vasocongestion, muscle tension, heart rate, and blood pressure Orgasmic platform Thickening of the walls of the outer third of the vagina (continued) Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Sexual Response Cycle Plateau phase (continued) Sex skin The reddening of the labia minora Orgasmic Phase Male orgasm Two stages (continued) Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Sexual Response Cycle Orgasmic Phase (continued) Female orgasm 3 to 15 contractions Subjective experience of orgasm Two dimensional model of the psychological experience of orgasm Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Resolution Phase Resolution phase Body gradually returns to its prearoused state Refractory period Occurs in men Individual is no longer responsive to stimulation Copyright © 2007 Pearson Education Canada
Kaplan’s 3 Stages of Sexual Response Desire Excitement Orgasm Copyright © 2007 Pearson Education Canada
Basson’s Intimacy Model of Female Sexual Response Relevant for women in long-term relationships Motivated to respond to sexual stimuli if it enhances intimacy Copyright © 2007 Pearson Education Canada
Controversies About Orgasm Multiple orgasms One or more additional orgasms following the first Occurs before the body returns to a preplateau level of arousal Copyright © 2007 Pearson Education Canada
Controversies About Orgasm How many kinds of orgasms do women have? Clitoral orgasm Vaginal orgasm Vulval orgasm Uterine orgasm Blended orgasm Copyright © 2007 Pearson Education Canada
Controversies About Orgasm Grafenberg spot (G-Spot) Part of the anterior wall of the vagina Prolonged stimulation is theorized to cause particularly intense orgasms and female ejaculation (continued) Copyright © 2007 Pearson Education Canada
The G-Spot (continued) Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Sex and Disability Physical disabilities Cerebral Palsy Spinal cord injuries Sensory disabilities Other physical disabilities and impairments Arthritis Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada Sex and Disability Psychological disabilities Developmental disabilities Copyright © 2007 Pearson Education Canada
Copyright © 2007 Pearson Education Canada End of Chapter 4 Copyright © 2007 Pearson Education Canada