Myers exploring psychology 6th edition in modules
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Myers EXPLORING PSYCHOLOGY (6th Edition in Modules). Module 26 Sexual Motivation James A. McCubbin , PhD Clemson University Linda Zimmerman Oakton Community College Worth Publishers. Sexual Knowledge Quiz. http://www.healthunit.com/article.aspx?ID=15160. Sexual Motivation.

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Myers EXPLORING PSYCHOLOGY (6th Edition in Modules)

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Myers EXPLORING PSYCHOLOGY (6th Edition in Modules)

Module 26

Sexual Motivation

James A. McCubbin, PhD

Clemson University

Linda Zimmerman

Oakton Community College

Worth Publishers


Sexual Knowledge Quiz

  • http://www.healthunit.com/article.aspx?ID=15160


Sexual Motivation

Sex is a physiologically based motive, like hunger, but it is more affected by learning and values.


Sexual Response Cycle

  • Masters and Johnson (N= 382 f and 312 m)the four stages of sexual responding

    • excitement

    • plateau

    • orgasm

    • resolution

  • Refractory Period

    • resting period after orgasm, during which a

    • man cannot achieve another orgasm


Sexual Disorder

…a problem that consistently impairs sexual arousal or functioning

Can include:

lack of motivation, arousal

Premature ejaculation (men)

Erectile dysfunction (men)

Orgasmic dysfunction (women)

Treatments:

Sexual therapy

Medication


Estrogen

  • a sex hormone, secreted in greater amounts by females than by males

    • in nonhuman females, levels peak during ovulation, promoting sexual receptivity


Testosterone

  • most important of the male sex hormones

  • both males and females have it

  • extra testosterone in males:

    • stimulates growth of sex organs in the fetus

    • development of the male sex characteristics during puberty


Forces Affecting Sexual Motivation


Births to Unwed Parents


Sexual Orientation

  • an enduring sexual attraction toward:

    • members of one’s own sex (homosexual orientation)

    • Members of the other sex (heterosexual orientation)


Brain Differences

  • On the average (the evidence is strongest for males), various biological and behavioral traits of gays and lesbians fall between those of straight men and straight women.


Brain Differences

  • One hypothalmic cell cluster is larger in straight men than in women and gay men, same difference is found in male sheep displaying other-sex versus same-sex attraction.

  • Anterior commissure is larger in gay men than in women or straight men.


Genetic Influences

  • Shared sexual orientation is higher among identical twins than among fraternal twins.

  • Sexual attraction in male fruit flies can be genetically manipulated.

    http://clipsforclass.com/sexuality.php


Prenatal Hormonal Influences

  • Altered prenatal hormone exposure may lead to homosexuality in humans and other animals.

  • Men with several older brothers are more likely to be gay.


Brain differences and prenatal influences may contribute to observed gay-straight differences in childrens’:


Views of Homosexuality


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