1. Sexual Arousal and Response
Chapter 4
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Making Sense of Sex
Vision
Smell
Aphrodisiacs
Drug or agent that is sexually arousing or increases sexual desire
(continued)
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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
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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
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Making Sense of Sex
Taste
Biologically arousing or learned?
Hearing
Talking dirty
Music
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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
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Aphrodisiacs
Psychoactive drugs
Alcohol
Hallucinogenic
Marijuana, LSD, mescaline
Stimulants
Amphetamines, cocaine, crystal methamphetamine
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8. Sexual Response and the Brain
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9. 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
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Sex Hormones
Hormones
Regulate various body functions
Secondary sex characteristics
Physical traits not directly involved in reproduction
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Sex Hormones
Sex hormones and sexual behaviour
Organizing effects
Activating influences
Transsexuals
Gender identity disorder
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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
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Sexual Response Cycle
Sexual response cycle
Excitement phase
Plateau phase
Orgasmic phase
Resolution phase
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Sexual Response Cycle
Vasocongestion
Swelling of the genital tissue with blood
Myotonia
Muscle tension
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Sexual Response Cycle
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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
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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)
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Sexual Response Cycle
Plateau phase (continued)
Sex skin
The reddening of the labia minora
Orgasmic Phase
Male orgasm
Two stages
(continued)
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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
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Resolution Phase
Resolution phase
Body gradually returns to its prearoused state
Refractory period
Occurs in men
Individual is no longer responsive to stimulation
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21. Kaplan’s 3 Stages of Sexual Response
Desire
Excitement
Orgasm
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22. 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
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23. Controversies About Orgasm
Multiple orgasms
One or more additional orgasms following the first
Occurs before the body returns to a preplateau level of arousal
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24. Controversies About Orgasm
How many kinds of orgasms do women have?
Clitoral orgasm
Vaginal orgasm
Vulval orgasm
Uterine orgasm
Blended orgasm
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25. 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)
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26. The G-Spot (continued)
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Sex and Disability
Physical disabilities
Cerebral Palsy
Spinal cord injuries
Sensory disabilities
Other physical disabilities and impairments
Arthritis
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Sex and Disability
Psychological disabilities
Developmental disabilities
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End of Chapter 4
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