Chapter Three

1
Chapter Three
The Physiology of Human Sexual Responding
2
Historical Perspectives

• Sexual Pioneers
• Alfred Kinsey
• Opened the door for the study of human sexuality,
  but only told us what people say they do
• William Masters and Virginia Johnson
• The role of the sexual revolution
• Observed an estimated 10,000 complete sexual
  response cycles
• Foundation for our current understanding of human
  sexual responding

3
Biology, Psychology, and Human Sexual Responding

• Nonhuman Mammals and Estrus
• Humans and Estrus
• The Role of Psychology

4
Masters and Johnsons Four-Phase Model (The EPOR
Model)

• Three Important Points
• NOT Four Separate and Distinct Events
• Responses Occur In Reaction to ALL Forms of
  Sexual Stimulation
• Responses Occur In Men and Women

5
The E in the EPOR Model

• Excitement
• Sexuality and Culture Tantric Sexual Techniques
• Whats Happening?
• Sex Flush
• Myotonia

6
The P in the EPOR Model

• Plateau
• Whats Happening?
• Tenting
• Self-Discovery Clitoral Erection and the Myth of
  Female Orgasms During Heterosexual Intercourse

7
The O in the EPOR Model

• Orgasm
• Whats Happening?
• Emission
• Ejaculatory Inevitability
• Expulsion
• Afterglow
• Womens and Mens Descriptions of Orgasm
• In Touch with Your Sexual Health The Health
  Benefits of Orgasm

8
The R in the EPOR Model

• Resolution
• Whats Happening?
• Multiple Orgasms
• Refractory Period

9
More on Human Sexual Responding

• Variations in Orgasm
• Men and Multiple Orgasms
• The G-Spot
• Location
• Ejaculation
• Skenes Glands

10
Alternatives to Masters and Johnson

• Kaplans Three-Stage Model of Sexual Response
• Desire
• Excitement
• Orgasm
• Hypoactive Sexual Desire
• Addresses both the Physiological as well as the
  Psychological

11
Alternatives to Masters and Johnson

• Seduction
• Sensation
• Surrender
• Reflection
• Addresses the Cognitive and the Psychological

• Reeds Erotic Stimulus Pathway Theory

12
A New View of Womens Sexual Response

• Reverse the Current Trend to Medicalize Sexual
  Problems
• Three Major Flaws when Applying the Masters and
  Johnson model to women
• Assuming Male and Female Sexuality are
  Fundamentally the Same
• Exaggerated Focus on Physiology While Excluding
  the Relationship Context
• Minimization of Individual Differences in the
  Sexual Response of Women

13
A New View of Womens Sexual Response (cont.)