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© 2007 McGraw-Hill Higher Education. All rights reserved. Chapter Thirteen Understanding Sexuality.

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1 © 2007 McGraw-Hill Higher Education. All rights reserved. Chapter Thirteen Understanding Sexuality

2 © 2007 McGraw-Hill Higher Education. All rights reserved. Biological Basis of Human Sexuality Genetic basis: at conception (xx=female, xy=male) Genetic basis: at conception (xx=female, xy=male) Gonadal basis: at 7 th week, males develop testes; 12 th week, females develop ovaries Gonadal basis: at 7 th week, males develop testes; 12 th week, females develop ovaries Structural development: male/female structures determined by presence or absence of male hormones Structural development: male/female structures determined by presence or absence of male hormones

3 © 2007 McGraw-Hill Higher Education. All rights reserved. Biological Basis of Human Sexuality (cont’d) Childhood years: latent stage for development Childhood years: latent stage for development Puberty: gradual maturation process for young girls and boys; menarche in females; males develop 2 years later (nocturnal emission) Puberty: gradual maturation process for young girls and boys; menarche in females; males develop 2 years later (nocturnal emission)

4 © 2007 McGraw-Hill Higher Education. All rights reserved. Psychosocial Basis of Human Sexuality Gender identity: at 18 th month Gender preference: pre-school stage of developing “insight” of how we act Gender adoption: learning adult behaviors : forming an identity Gender identification : forming an identity Androgyny is the blending of masculine/feminine qualities

5 © 2007 McGraw-Hill Higher Education. All rights reserved. Gender Identity Issues Transsexualism – sexual variation in which a person rejects his or her biological sexuality Transsexualism – sexual variation in which a person rejects his or her biological sexuality Transvestitism – atypical behavior in which a person derives sexual pleasure dressing in the opposite gender’s clothes Transvestitism – atypical behavior in which a person derives sexual pleasure dressing in the opposite gender’s clothes

6 © 2007 McGraw-Hill Higher Education. All rights reserved. Male Reproductive System Figure 13-2

7 © 2007 McGraw-Hill Higher Education. All rights reserved. Female Reproductive System Figure 13-3

8 © 2007 McGraw-Hill Higher Education. All rights reserved. Menstrual Cycle Figure 13-4

9 © 2007 McGraw-Hill Higher Education. All rights reserved. Identify 3 Phases of the Menstrual Cycle 1. Menstrual (lasts one week) 2. Proliferative phase (lasts 1 week) 3. Secretory phase (lasts 2 weeks)

10 © 2007 McGraw-Hill Higher Education. All rights reserved. Menstrual Concerns Menstrual Concerns 1. PMS 2. Fibrocystic breast condition 3. Menopause

11 © 2007 McGraw-Hill Higher Education. All rights reserved. Human Sexual Response Pattern Figure 13-5 4 stages 4 stages 1.Excitement 2.Plateau 3.Orgasmic 4.Resolution (Masters & Johnson)

12 © 2007 McGraw-Hill Higher Education. All rights reserved. Differences Between Men and Women in the Sexual Response Pattern Men are not multi orgasmic Men are not multi orgasmic Men reach orgasm quicker during coitus Men reach orgasm quicker during coitus Women are multi orgasmic Women are multi orgasmic Women reach orgasm as quickly as men during masturbation Women reach orgasm as quickly as men during masturbation

13 © 2007 McGraw-Hill Higher Education. All rights reserved. Patterns of Sexual Behavior Celibacy (avoidance of sexual intimacy) Celibacy (avoidance of sexual intimacy) Masturbation (self- stimulation of one’s genitals) Masturbation (self- stimulation of one’s genitals) Erotic dreams/fantasy (used to increase sexual excitement) Erotic dreams/fantasy (used to increase sexual excitement) Shared touching (erogenous zones) Shared touching (erogenous zones) Genital contact (foreplay) Genital contact (foreplay) Oral-genital stimulation (fellatio/cunniling us) Oral-genital stimulation (fellatio/cunniling us) Coitus (intercourse) Coitus (intercourse) Anal sex (sodomy) Anal sex (sodomy)

14 © 2007 McGraw-Hill Higher Education. All rights reserved. Aging and Sexuality Sexual activity declines with age, but a significant population of older adults remain active Sexual activity declines with age, but a significant population of older adults remain active Changes in women Changes in women Decreased vaginal lubrication, decrease in orgasmic contractionsDecreased vaginal lubrication, decrease in orgasmic contractions Changes in men Changes in men Erection process is prolonged, decreased orgasmic contractions, ejaculations decreaseErection process is prolonged, decreased orgasmic contractions, ejaculations decrease

15 © 2007 McGraw-Hill Higher Education. All rights reserved. Sexual Orientation Homosexuality: sexual attraction to same gender Homosexuality: sexual attraction to same gender Heterosexuality: sexual attraction to opposite gender Heterosexuality: sexual attraction to opposite gender Bisexuality: sexual attraction to both genders Bisexuality: sexual attraction to both genders

16 © 2007 McGraw-Hill Higher Education. All rights reserved. Lifestyles and Relationships 1. Love 2. Intimacy 3. Singlehood 4. Cohabitation 5. Gay and Lesbian Partnerships 6. Marriage 7. Divorce 8. Single Parenthood

17 © 2007 McGraw-Hill Higher Education. All rights reserved. Recognizing Unhealthy Relationships Abusive behavior (emotional/physical) Abusive behavior (emotional/physical) Excessive jealousy Excessive jealousy Controlling behavior Controlling behavior Dishonesty Dishonesty Lack of patience Lack of patience Drug abuse Drug abuse

18 © 2007 McGraw-Hill Higher Education. All rights reserved. Chapter Thirteen Understanding Sexuality


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