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Gay, Straight, and the Reason Why
The Science of Sexual Orientation (Revised)
Taschenbuch von Simon Levay
Sprache: Englisch

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Beschreibung
What causes a child to grow up gay, straight, or bisexual? In this book, neuroscientist Simon LeVay summarizes a wealth of scientific evidence that points to one inescapable conclusion: Sexual orientation results primarily from an interaction between genes, sex hormones, and the cells of the developing body and brain.
What causes a child to grow up gay, straight, or bisexual? In this book, neuroscientist Simon LeVay summarizes a wealth of scientific evidence that points to one inescapable conclusion: Sexual orientation results primarily from an interaction between genes, sex hormones, and the cells of the developing body and brain.
Über den Autor
Simon LeVay, PhD, is a British-born neuroscientist who has served on the faculties of Harvard Medical School and the Salk Institute for Biological Studies. He has written eleven previous books, including the New York Times best-seller, When Science Goes Wrong (2008) and the textbook Discovering Human Sexuality (2015).
Inhaltsverzeichnis
  • Introduction

  • Chapter 1: What Is Sexual Orientation?

  • Criteria for sexual orientation

  • Sexual orientation in men and women

  • Stability of sexual orientation

  • Prevalence of different orientations

  • Are there categories?

  • Sexual orientation across cultures

  • Chapter 2: Why We Need Biology

  • Psychoanalytic theories

  • Learning theories-influence of early sexual experiences

  • Childhood abuse

  • Learning theories-gender learning

  • Is it a choice?

  • The biological alternative

  • Chapter 3: The Outline of a Theory

  • Male and female brains

  • Male and female behaviors

  • Development of sex differences in animals

  • Sexual partner preference in animals

  • Origins of variation within each sex

  • Relevance to human sexual orientation

  • Sexual orientation in nature

  • Chapter 4: Childhood

  • Development of gendered childhood traits

  • Childhood traits associated with adult sexual orientation: retrospective studies

  • Prospective studies

  • Contrasting models

  • Chapter 5: Characteristics of gay and straight adults

  • Gendered traits in adulthood

  • Origin of gendered traits

  • Sexual orientation and cognitive traits: visuospatial abilities

  • Verbal fluency

  • Memory tasks

  • Handedness

  • Olfaction

  • Intelligence

  • Personality traits: Masculinity-femininity

  • Occupational preferences

  • Other personality traits

  • Sexuality

  • Overview

  • Chapter 6: The role of sex hormones

  • Hormone levels in gay and straight adults

  • Why focus on prenatal sex hormones?

  • Hormone levels during development

  • Congenital adrenal hyperplasia

  • Finger length studies

  • The inner ear

  • Central auditory system

  • Action of sex hormones on the developing brain

  • Possible causes of variability in prenatal androgen levels

  • Chapter 7: The role of genes

  • Sibling studies

  • Is the family clustering caused by genes?

  • Twin studies

  • Molecular genetics-candidate-gene studies

  • Genome scans

  • Genes and sexuality in fruit flies

  • Genes, homosexuality, and evolution

  • Kin selection

  • The "fertile female" hypothesis

  • Beneficial effects on same-sex relatives

  • Chapter 8: The brain

  • A brief tour of the brain

  • The hypothalamus and sexual orientation

  • Other brain regions

  • Brain activity

  • Chemosignals

  • Stress response

  • Functional lateralization

  • Sheep

  • Inhibition and sexual orientation

  • Overview

  • Chapter 9: The body

  • Body size and shape

  • Trunk and limb length

  • Penis size

  • Sturcture of the face

  • Hair whorl direction

  • Gaydar

  • Overview

  • Chapter 10: The older-brother effect

  • How well established is the older-brother effect?

  • How strong is the older-brother effect?

  • The older-brother effect and handedness

  • What causes the older-brother effect?

  • Chapter 11: Beyond gay and straight

  • Bisexuality in men

  • Bisexuality in women

  • Asexuality

  • Age preference and pedophilia

  • Butch-femme and top-bottom

  • Transgender/transexuality

  • Chapter 12: Conclusions

  • Sexual orientation is linked to other gendered traits

  • A common origin for gender-shifted traits?

  • The role of genes

  • Does the older-brother effect work through prenatal hormones?

  • Is there a random biological influence?

  • How does sexual orientation become categorical?

  • Unconscious processes in sexual attraction and arousal

  • Changes in the prevalence and nature of homosexuality

  • What is sexual orientation?

  • Sexual orientation and gender: the social fallout

  • Glossary

  • Bibliography

Details
Erscheinungsjahr: 2016
Fachbereich: Allgemeines
Genre: Importe, Psychologie
Rubrik: Geisteswissenschaften
Thema: Lexika
Medium: Taschenbuch
Inhalt: Kartoniert / Broschiert
ISBN-13: 9780190297374
ISBN-10: 0190297379
Sprache: Englisch
Einband: Kartoniert / Broschiert
Autor: Levay, Simon
Hersteller: OUP US
Verantwortliche Person für die EU: Libri GmbH, Europaallee 1, D-36244 Bad Hersfeld, gpsr@libri.de
Maße: 234 x 156 x 14 mm
Von/Mit: Simon Levay
Erscheinungsdatum: 01.09.2016
Gewicht: 0,406 kg
Artikel-ID: 108610133
Über den Autor
Simon LeVay, PhD, is a British-born neuroscientist who has served on the faculties of Harvard Medical School and the Salk Institute for Biological Studies. He has written eleven previous books, including the New York Times best-seller, When Science Goes Wrong (2008) and the textbook Discovering Human Sexuality (2015).
Inhaltsverzeichnis
  • Introduction

  • Chapter 1: What Is Sexual Orientation?

  • Criteria for sexual orientation

  • Sexual orientation in men and women

  • Stability of sexual orientation

  • Prevalence of different orientations

  • Are there categories?

  • Sexual orientation across cultures

  • Chapter 2: Why We Need Biology

  • Psychoanalytic theories

  • Learning theories-influence of early sexual experiences

  • Childhood abuse

  • Learning theories-gender learning

  • Is it a choice?

  • The biological alternative

  • Chapter 3: The Outline of a Theory

  • Male and female brains

  • Male and female behaviors

  • Development of sex differences in animals

  • Sexual partner preference in animals

  • Origins of variation within each sex

  • Relevance to human sexual orientation

  • Sexual orientation in nature

  • Chapter 4: Childhood

  • Development of gendered childhood traits

  • Childhood traits associated with adult sexual orientation: retrospective studies

  • Prospective studies

  • Contrasting models

  • Chapter 5: Characteristics of gay and straight adults

  • Gendered traits in adulthood

  • Origin of gendered traits

  • Sexual orientation and cognitive traits: visuospatial abilities

  • Verbal fluency

  • Memory tasks

  • Handedness

  • Olfaction

  • Intelligence

  • Personality traits: Masculinity-femininity

  • Occupational preferences

  • Other personality traits

  • Sexuality

  • Overview

  • Chapter 6: The role of sex hormones

  • Hormone levels in gay and straight adults

  • Why focus on prenatal sex hormones?

  • Hormone levels during development

  • Congenital adrenal hyperplasia

  • Finger length studies

  • The inner ear

  • Central auditory system

  • Action of sex hormones on the developing brain

  • Possible causes of variability in prenatal androgen levels

  • Chapter 7: The role of genes

  • Sibling studies

  • Is the family clustering caused by genes?

  • Twin studies

  • Molecular genetics-candidate-gene studies

  • Genome scans

  • Genes and sexuality in fruit flies

  • Genes, homosexuality, and evolution

  • Kin selection

  • The "fertile female" hypothesis

  • Beneficial effects on same-sex relatives

  • Chapter 8: The brain

  • A brief tour of the brain

  • The hypothalamus and sexual orientation

  • Other brain regions

  • Brain activity

  • Chemosignals

  • Stress response

  • Functional lateralization

  • Sheep

  • Inhibition and sexual orientation

  • Overview

  • Chapter 9: The body

  • Body size and shape

  • Trunk and limb length

  • Penis size

  • Sturcture of the face

  • Hair whorl direction

  • Gaydar

  • Overview

  • Chapter 10: The older-brother effect

  • How well established is the older-brother effect?

  • How strong is the older-brother effect?

  • The older-brother effect and handedness

  • What causes the older-brother effect?

  • Chapter 11: Beyond gay and straight

  • Bisexuality in men

  • Bisexuality in women

  • Asexuality

  • Age preference and pedophilia

  • Butch-femme and top-bottom

  • Transgender/transexuality

  • Chapter 12: Conclusions

  • Sexual orientation is linked to other gendered traits

  • A common origin for gender-shifted traits?

  • The role of genes

  • Does the older-brother effect work through prenatal hormones?

  • Is there a random biological influence?

  • How does sexual orientation become categorical?

  • Unconscious processes in sexual attraction and arousal

  • Changes in the prevalence and nature of homosexuality

  • What is sexual orientation?

  • Sexual orientation and gender: the social fallout

  • Glossary

  • Bibliography

Details
Erscheinungsjahr: 2016
Fachbereich: Allgemeines
Genre: Importe, Psychologie
Rubrik: Geisteswissenschaften
Thema: Lexika
Medium: Taschenbuch
Inhalt: Kartoniert / Broschiert
ISBN-13: 9780190297374
ISBN-10: 0190297379
Sprache: Englisch
Einband: Kartoniert / Broschiert
Autor: Levay, Simon
Hersteller: OUP US
Verantwortliche Person für die EU: Libri GmbH, Europaallee 1, D-36244 Bad Hersfeld, gpsr@libri.de
Maße: 234 x 156 x 14 mm
Von/Mit: Simon Levay
Erscheinungsdatum: 01.09.2016
Gewicht: 0,406 kg
Artikel-ID: 108610133
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