Human Sexuality: Physiology of Sexual Responses

Human Sexuality – Chapter Three – Physiology of Sexual Responses

Vocabulary

  • EPOR Model: Masters and Johnson’s approach to explaining sexual response  ( Excitement, Plateau, Orgasm and Resolution ) .
    • Excitement Phase: First physical changes of sexual arousal
    • Plateau Phase: Sexual arousal levels off and remains at an elevated level of excitement.
    • Orgasm: Sexual excitement and pleasure reach a climax.
    • Resolution Phase: sexual structures return to unaroused state.
  • Aphrodisiac: Mythical substances thought to enhance sexual arousal and desire
  • Vasocogestion: Swelling of erectile tissues due to increased blood flow, because of sexual arousal.
  • Sex Flush: Darkening of the chest area that occurs in some people during sexual arousal. 
  • Tenting: Widening of the inner two-thirds of the vagina during sexual arousal.
  • Multiple Orgasms: More than one orgasm at short intervals as sexual stimulation occurs without a refractory period in between.
  • Emission: Buildup of sperm in urethral bulb just prior to traveling through urethra.
  • Ejaculatory Inevitability: Point where expulsion of semen is imminent and reflexive, cannot be stopped.
  • Expulsion: Contraction of pelvic muscles that force semen through urethra and out of the body.
  • G-Spot: Some women spot on the upper wall of the vagina, causes enhanced sexual arousal and orgasms.
  • Refractory Period: Period of time between orgasms  when person is unable to become aroused.
  • Kaplan’s Three-Stage Model: Alternative to Masters and Johnson’s theory ( Desire, Excitement and Orgasm ).
  • Hypoactive-Sexual Desire: Persistently low level of desire for sexual activities/sexual fantasies.
  • Erotic Stimulus Pathway Theory: Model of sexual response based on psychological and cognitive stages of Seduction, Sensations, Surrender and Reflection.
  • Dual Control Model of Sexual Response: Theory that sexual arousal is controlled by excitatory and inhibitory processes.
  • New View of Women’s Sexual Problems:  Model of female sexual response incorporating a larger variety of factors than previous models. ( Physical,  Cognitive, Social and Relationships).

Source: Human Sexuality, Roger Hock, Ed. 4th 

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