1. Copyright © 2007 Pearson Education Canada12-1 Sexuality Across the Life Cycle Chapter 12 This multimedia product and its contents are protected under copyright law. The following are prohibited by law: any public performance or display, including transmission of any image over a network; preparation of any derivative work, including the extraction, in whole or in part, of any images; any rental, lease, or lending of the program.

2. Copyright © 2007 Pearson Education Canada12-2 Infancy (0 to 2 Years) Infant’s capacity for sexual response Orgasm Masturbation Genital play

3. Copyright © 2007 Pearson Education Canada12-3 Early Childhood (3 to 8 Years) Statistics concerning the incidence of masturbation are inconclusive Same gender sexual play is common Children’s knowledge of sex

4. Copyright © 2007 Pearson Education Canada12-4 Preadolescence (9 to 13 Years) Mutual display of genitals Group dating Same gender sexual behaviour involves exploration

5. Copyright © 2007 Pearson Education Canada12-5 Adolescence Puberty Reproduction first becomes possible Secondary sex characteristics Not directly involved in reproduction Primary sex characteristics Directly involved in reproduction

6. Copyright © 2007 Pearson Education Canada12-6 Adolescence Menarche in the girl Onset of menstruation Critical fat hypothesis Girls must reach a certain body weight to trigger pubertal changes

7. Copyright © 2007 Pearson Education Canada12-7 Adolescence Pubertal changes in the female Anovulatory Without ovulation Pubertal changes in the males Nocturnal emissions Involuntary ejaculations of seminal fluid while sleeping (continued)

8. Copyright © 2007 Pearson Education Canada12-8 Adolescence Pubertal changes in the males (continued) Nocturnal emissions (continued) Wet dreams Larynx Muscle and cartilage at the upper end of the trachea (continued)

9. Copyright © 2007 Pearson Education Canada12-9 Adolescence Pubertal changes in the males (continued) Larynx (continued) Voice box Gynecomastia Overdevelopment of a male’s breasts

10. Copyright © 2007 Pearson Education Canada12-10 Adolescence Masturbation Male-female sexual behaviour Dating Petting Oral sex Sexual intercourse (continued)

11. Copyright © 2007 Pearson Education Canada12-11 Adolescence Male-female sexual behaviour (continued) Attitudes to premarital intercourse Factors related to age of first sexual intercourse Adamant virgins, potential nonvirgins, and nonvirgins (continued)

12. Copyright © 2007 Pearson Education Canada12-12 Adolescence Male-female sexual behaviour (continued) Sexual frequency and number of sexual partners Motives for intercourse Young people and causal sex

13. Copyright © 2007 Pearson Education Canada12-13 Adolescence Contraceptive use Male-male and female-female sexual behaviour Teen pregnancy

14. Copyright © 2007 Pearson Education Canada12-14 Adulthood Singlehood Age differences in when people marry “Mature singles” “Singles scene”

15. Copyright © 2007 Pearson Education Canada12-15 Singlehood Serial monogamy Becoming involved in one exclusive relationship after another Celibacy Complete sexual abstinence

16. Copyright © 2007 Pearson Education Canada12-16 Cohabitation Living together as though married without legal sanction

17. Copyright © 2007 Pearson Education Canada12-17 Cohabitation Reasons for cohabitation Cohabitation first and marriage later Benefit or risk?

18. Copyright © 2007 Pearson Education Canada12-18 Marriage Why do people marry? Types of marriage Monogamy Marriage to one person Polygamy Simultaneous marriage to more than one person (continued)

19. Copyright © 2007 Pearson Education Canada12-19 Marriage Types of marriage (continued) Polygyny Man is married to more than one woman at the same time Polyandry Woman is married to more than one man at the same time

20. Copyright © 2007 Pearson Education Canada12-20 Marriage Whom we marry Homogamy Marrying someone who is similar to oneself in social background and standing

21. Copyright © 2007 Pearson Education Canada12-21 Marital Sexuality Sexual revolution hits home Changes in duration and techniques of foreplay Changes in frequency of marital coitus Changes in techniques and duration of coitus

22. Copyright © 2007 Pearson Education Canada12-22 Marital Sexuality Sexual satisfaction Feelings of rewards and costs Communication Commitment Sexual conflict

23. Copyright © 2007 Pearson Education Canada12-23 Extramarital Sex Patterns of extramarital sex Extramarital sex Sexual relations between a married person and someone other than his or her spouse Conventional adultery Kept hidden from spouse ( continued)

24. Copyright © 2007 Pearson Education Canada12-24 Extramarital Sex Patterns of extramarital sex (continued) Consensual adultery Knowledge and consent of spouse Swinging Both spouses share extramarital sexual experiences Mate swapping, comarital sex

25. Copyright © 2007 Pearson Education Canada12-25 Extramarital Sex Attitudes toward extramarital sex Effects of extramarital sex Swinging

26. Copyright © 2007 Pearson Education Canada12-26 Alternative Lifestyles Polyamory Consensual sexual and/or emotional interactions with more than one partner Open marriage Agreed-upon liberty of each spouse to form relationships with people other than spouse (continued)

27. Copyright © 2007 Pearson Education Canada12-27 Alternative Lifestyles (continued) Group marriage 3 or more people share an intimate relationship Illegal in Canada

28. Copyright © 2007 Pearson Education Canada12-28 Divorce Cost of divorce Financial emotional effect on the child remarriages

29. Copyright © 2007 Pearson Education Canada12-29 The Later Years Compas survey findings Physical changes Changes in the female Changes in the male

30. Copyright © 2007 Pearson Education Canada12-30 The Later Years Patterns of sexual activity Effects of aging on gay males and lesbians Sexual intercourse among older Canadians

31. Copyright © 2007 Pearson Education Canada12-31 End of Chapter 12