HUMAN SEXUALITY LEVAY 4TH EDITION PDF

This site is designed to help you review and master key concepts, facts, and terminology from the textbook through interactive exercises and learning tools. To get started, select a chapter and a category from the pull-down menus above, or click a category in the list on the left to access any of the resources. It is intended for use by students using the textbook Human Sexuality , Fourth Edition. Please check the Sinauer website for an update to the first printing of this title. The activities on this website require Adobe Shockwave Player version 10 or above , Flash Player version 7 or above and Apple Quicktime version 7 or above.

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An evidence-based, accessible introduction to the study of sexuality and the diverse ways in which it brings joys and challenges to our lives. Now in its fourth edition, Discovering Human Sexuality has established itself as a popular and widely praised text that respects diversity both in the sexual world and among the students who read it.

The backgrounds of the authors--in biology, sociology, teaching, and writing--have made possible a text that is multidisciplinary, authoritative, sex-positive, and a delight to read.

The scope of Discovering Human Sexuality ranges from homosexuality in ancient Greece to the recent Harvey Weinstein sexual harassment scandal while covering a stunningly diverse array of topics. Questions considered include: How does the menstrual cycle work? What's "splitting the bamboo"? Can premature ejaculation be treated?

If a man has undetectable levels of HIV, can he have sex without condoms? Which sex offenders will repeat their crimes? Is there a gay gene? What's wrong with polygamy? Is emergeny contraception abortion?

Which bathrooms should trans women use? This book gives factual answers to important questions and provides material for informed debate for issues without a single solution. Simon LeVay, Ph.

D is a British born neuroscientist turned science writer and teacher. Janice Baldwin, Ph. D, and John Baldwin, Ph. D are sociologists at the University of Californina, Santa Barbara. They have been collaborators and writers on many papers and projects in the area of sex, sexuality, and sex education. They also co-created--with their upper division students--a sex information website: SexInfoOnline.

I will continue to use Discovering Human Sexuality because I like the way topics are discussed and explained. The test bank is also easy to use compared to the last textbook I used, and that saves me a lot of time when I am putting an exam together.

I particularly like the boxes that are contained in each chapter. They provide a break in the chapter content. The topics discussed in the boxes are important and useful and often lead to interesting discussions. I would be hard pressed to find a more thorough and approachable text. The layout of the chapters and the box features are excellent. I find the book interesting and yet not overwhelming, in a highly readable format.

I'd previously used another as recommended by a colleague, but it didn't emphasize biological aspects. I really like Discovering Human Sexuality because of its emphasis on biology and the fact that each edition is great at including recent phenomena, like changes in legal issues related to sexuality. I think it's written in an easy-to-read style. As I am teaching this within a Psychology Department, I find that my students appreciate the approach the text takes.

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US Higher Education Not for profit. All for education. Skip to main content. Search Start Search. Go directly to our online catalogue. Ebook This title is available as an ebook from RedShelf. Sample Chapter 4 - Click Here! Features About the Author s Reviews Features The authors, all experienced writers and teachers, ensure that the text is fully accessible, engaging, and relevant to students of diverse backgrounds An evidence-based approach is employed: statements are supported by current data, ideas presented are tested or testable, and recommendations are based on research References are fully documented, citing original sources Diversity--sexual, as well as racial, ethnic, and religious as they affect sexuality --is emphasized Full-color illustrations give complex topics a visual representation that gracefully parallels and clarifies the accompanying text Boxes provide breaks from the steady flow of the text and allow students to consider specific issues in a more relaxed and informal way.

Table of Contents Chapter 1. Sex researchers followed diverse paths Box: Freud and Hirschfeld: Contrasting Theories on Sexual Orientation Sexuality Can Be Studied with a Wide Variety of Methods Biomedical research focuses on the underlying mechanisms of sex Psychology includes diverse approaches to sexuality Cultural anthropology focuses on sexual diversity across cultures Sociologists focus on the connection between sex and society The economic approach weighs costs and benefits Organizations promote sex research Chapter 2.

Attitudes toward menstruation vary Women use pads, tampons, or cups during menstruation Box: Where Tampons Aren't an Option Menstrual Problems Are Common but Treatable Menstrual pain may or may not reflect underlying pelvic disease Premenstrual syndrome has physical and psychological aspects Menstruation stops during pregnancy--and for other reasons Sex steroids affect more than the reproductive tract The Breasts Have Both Erotic and Reproductive Significance Breast Cancer Mortality Can Be Reduced Many factors affect the risk of breast cancer Clinical breast exams save lives Treatment depends on the diagnostic findings and the woman's choice Chapter 3.

Box: Diphallia Penile Erection Involves Nerves, Blood, and Chemistry Erection is the filling of the penis with blood Muscles are also involved in erection Erections occur during sleep The scrotum regulates the temperature of the testicles The Testicles Produce Sperm and Sex Hormones Box: Declining Sperm Counts Cancer and other disorders can affect the testicles Other glands contribute secretions to the semen What is semen?

Sexuality across the Life Span: From Birth to Adolescence Some Forms of Childhood Sexual Expression Are Common In contemporary Western culture, children are insulated from sex Box: Talking with Children about Sex Some children engage in solitary sexual activity Sex with others can occur during childhood Cultures vary in their attitudes toward childhood sexuality Some Children Have Sexual Contacts with Adults Most adult-child contacts involve older children and are single encounters Some kinds of adult-child sex are more harmful than others Box: Sex and Suggestibility Strategies to prevent adult-child sex are quite effective Preadolescence May Be Marked by an Increase in Sexual Interest Preadolescent children segregate by sex Strict gender norms may traumatize children who become gay or trans adults Puberty Is a Period of Rapid Maturation Puberty is marked by visible and invisible changes Box: My First Period Puberty occurs earlier in girls than boys What drives puberty?

The body signals its readiness for puberty to the brain Puberty may come too early or too late Adolescence Is a Time of Sexual Exploration Many cultures have puberty rites There are social influences on teen sexual behavior Box: Sex-ed--What Teens Say Social media have risks and benefits Males masturbate more than females The sexual activity of American teens increased and then decreased The meaning of "virginity loss" varies Teen Sexuality Is Central to Identity Development Teen relationships are often short-lived Teen pregnancy is declining but is still too common Chapter Menopause Marks Women's Transition to Infertility Menopause may be caused by depletion of ova Women may experience a decline in sexual function at menopause Decreased hormone levels affect a woman's physiology Hormone therapy can reduce menopausal symptoms Men's Fertility Declines Gradually with Age Old People Face Challenges to Their Sex Lives--Often Successfully Aging is accompanied by physiological changes in the sexual response Medical conditions, drugs, and social factors can impair the sexuality of older people Old age may be a time for romance Box: Seniors on Sex Chapter And Does It Matter?

Overcoming homophobia is a communal enterprise Bisexual People Are Caught between Two Worlds The prevalence of bisexuality depends on definitions Bisexual people face prejudice Lesbian, gay, straight, bi, other--more alike than different Chapter Repeat offending is common Why Do Men Rape?

Hermaphrodites combine male and female reproductive functions Evolution Has Led to Diverse Methods of Sex Determination In mammals, sex is determined by chromosomes Sexual Selection Produces Anatomical and Behavioral Differences between Males and Females Males and females follow different reproductive strategies Females and males are exposed to different reproductive risks Males often compete for access to females Females often choose among males Sometimes males make significant investments in reproduction If males invest, sexual selection may work differently Sexual selection protects against extinction Diverse Relationship Styles Have Evolved Social and sexual arrangements are not necessarily the same Male promiscuity offers obvious evolutionary benefits Why are females promiscuous?

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