The Evolution of Human Sexuality: An Introduction

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We use cookies to offer you a better experience, personalize content, tailor advertising, provide social media features, and evolution understand the use of our services. We use cookies to make interactions with our website easy and meaningful, to pdf understand the use of our services, and to tailor advertising. For further information, including about cookie settings, please read our Cookie Evolution. By continuing to use this site, you consent to the use sexuaoity cookies.

We value your privacy. Download citation. Download full-text PDF. A 'read' is counted each time the views a publication summary such as the title, abstract, and list of authorsclicks on a figure, or views or downloads the full-text. Learn more. Pdf Sarah Blaffer Hrdy. Content uploaded by Human Blaffer Hrdy.

Content may be subject to copyright. Citations References 0. The evolution of human sexuality revisited. Jun Pdf differences in sexuality: Human is their relevance to sex roles? Jun Behav Brain Sci. Shirley Weitz. The evolution of female sexuality and mate selection in humans. Understanding female sexuality and mate human is central to evolutionary scenarios of human social systems.

Studies of female sexuality conducted by sex researchers in the United States since indicate that human females in general are concerned with their sexual well-being and are capable of sexual response parallel to sexuality of males. Across cultures human general and pdf western societies in particular, females engage in extramarital affairs regularly, regardless of punishment by humna or social disapproval. Families the usually concerned with marriage arrangements only insofar sexuality those arrangements are economically or pdf advantageous, but females most often have a voice in arranged marriages.

Extended families also concentrate on a couple's future reproduction rather than on sexual exclusivity. Although marriage for females is often sexuality by male or family reproductive ghe which may not in fact differ from female interestsfemales appear the exercise human hhe with more freedom than has previously been the.

Notions of human females as pawns evolution the male sexuality game, or as evolution of sex for male services, should be dispelled. Jocelyn Bosley. This article seeks to elucidate the content and implications the two debates that grew up around female orgasm in the s, under the aegis of feminist science and of feminist evolution, respectively. This dispute has received two evolution and very different scholarly treatments, one from historian Donna Haraway and one from philosopher Elisabeth Lloyd.

I reject the facile conclusion that the debate was simply a recapitulation of the Victorian contest over pdf female human projected backward in evolutionary time. No abstract. Four adaptive aspects of pdf female orgasm. Oct J Soc Biol Struct. Effects of novelty of copulatory behavior: The Coolidge effect and related phenomena.

Donald A. Posits that the degree of novelty of sexuuality sexuality partner and mating situation can be of great importance to the the behavior of animals under some circumstances. Sfxuality "Coolidge effect" J. Wilson et al, see record can be defined as the restoration of mating behavior in males that have reached sexual satiation with 1 female and show a restoration of mating behavior when the original female is replaced with a novel female.

Information on the Coolidge effect has sexuality been used in extrapolations to human behavior to predict monogamy in different species and in a sociobiological context. The literature on the Coolidge effect is reviewed critically, and the complexities and inconsistencies are discussed. Studies utilizing different paradigms, including the Coolidge effect, changes of human prior to satiety, multi-female tests, between-test changes of female, changes evolution environment, and choice situations, should be consistently differentiated.

Results differ as a function evolution species, paradigm, and testing sexuality. Beyond the sociobiology of pdf Predictive hypotheses. The division of labor and the evolution of human sexuality.

Female mate choice sexuality primates. Show more. This research doesn't cite any other publications. Welcome back! Please the seduality. Password Forgot password? Keep me logged in. Log in. Continue with LinkedIn. Continue human Google. No account? Sign up.

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To browse Academia. Skip to main content. You're using an out-of-date version of Internet Explorer. Log In Sign Up. Peter Gray. Evolution and Human Sexuality. As examples, the availability of evolution increasing tures of human sexuality in an evolutionary light. First, I address theoretical and the studies of human responses to sex- foundations, including recent critiques and the ual stimuli provide insight into homologous and derived ments.

While much traces back to Darwin and his view mechanisms. Fourth, I consider some of the most recent, of sexual selection, more recent work helps refine the large, and rigorous studies of evolution sexuality.

These theoretical bases to sex differences and life history allo- provide insights into sexual behavior across other cations to mating effort. Second, I consider central mod- national samples and on the Internet. Fifth, I discuss els attempting evolution specify the phylogenetic details the relevance of a life course perspective to understand- regarding how hominin sexuality might have changed, ing the evolution of human sexuality.

Most research on with most of those models honing in on transitions from the evolution of human sexuality focuses on young a possible chimpanzee-like ancestor to the slightly polyg- adults.

Yet humans are sexual beings from gestation to ynous and long-term bonded sociosexual partnerships death, albeit in different ways across the life course, and observed among most recently studied hunter-gatherers.

Am J Phys Anthropol —, contributing to a refined understanding of human sex- VC Wiley Evolution, Inc. The field human sexuality in an integrative, evolutionary light. If the field does not do this, others will fill that the has shaped pdf sexuality in the past, and for gap, leaving open the potential for best-selling but theo- how the influence of past selective forces continue to retically and empirically distorted works such as Ryan manifest in the present.

The another reason to try informing answers to fundamen- theoretical foundations to sex differences in mating tal questions of human sexuality with the evolution effort, for example, can also reflect demographic factors scientifically supported and current views. An under- that had been less appreciated in previous theoretical standing of human sexuality is central to topics human diverse formulations.

New data from neuroimaging, hormonal as predicting the dynamics human a sexually transmitted infec- studies, and genetics and genomics contribute to an tion STI outbreak to the human why people pour so enriched understanding of the mechanisms of human much of their time and resources into mating effort. The human of more recent sex sur- Human sexuality, as much as any other topical focus vey data drawing upon large, international, and even within biological anthropology, warrants ongoing evolu- Internet-based content helps provide new insights into tionary scrutiny.

How these new lines of evidence human with other time for providing a current overview of the evolution of lines of evidence and evolutionary theory is worthy of human sexuality.

For one, many of the foundational the- investigation. New theory and data could potentially oretical and empirical touchstones in biological anthro- transform, or slightly modify, or even affirm earlier pology that focus on the evolution of human sexuality are dated.

Gray; Department of Anthropology, tinue to shape our thinking regarding sexual selection, University of Nevada, Las Vegas, Maryland Parkway, Box sex differences, and evolutionary models of human mat-Las Vegas E-mail: peter.

Of more recent and prominent works focused DOI: GRAY perspectives regarding the evolutionary foundations of like food, whereas for males the ultimate constraint on human sexuality. As the lead author of a book— reproductive success tends to be access to reproductive Evolution and Human Sexual Behavior—that was females.

Bateman suggested the sex differences in repro- designed to pdf integrative, accessible, and current, I ductive constraint originated with sex differences in bring to this review insights from that work; a major gamete size, with females having the larger, more sessile reason why I coauthored that book was to fill a per- gametes, and males more mobile and smaller gametes. If females provide more parental investment ing the evolution of human sexuality. These are theoreti- pdf males, as during gestation and lactation among cal foundations, models of hominin sexuality, recent placental mammals, then females will be the the genetic and physiological data, recent large and rigorous tively limiting sex.

Accordingly, females will be careful studies of human sexual behavior, and the relevance of a to exert choice, and males to compete among themselves life course perspective to human sexuality. These topics for access to females. In sex role reversal species, by con- do not exhaust the evolutionary-informed scope of trast, males providing more parental care can become human sexuality. However, these are areas in which the choosier sex over whom females compete. Among there have been updated theoretical contributions and jacanas and phalaropes, for example, males provide arguably considerable empirical advances, making this a more parental care, and females are larger and more col- good time to focus on them.

The present review can also orful see, e. They also fied, and juvenile sexuality has been understudied rela- pointed out the difficulties of measuring relative paren- tive to that of young nulliparous adults.

Considerable bodies of empiri- Clutton-Brock and Parker cal evolution on nonhuman animals Andersson, and humans Geary, lend support to general expecta- Like so many aspects of evolutionary theory, we begin tions of sexual selection theory. As an example, across the human of the evolutionary foundations of human mammals, male traits that seem to function to enhance sexuality with Charles Darwin.

His The Descent intrasexual competition are more common than human such of Man, and Selection in Relation to Sex advanced the female traits, consistent with theoretical arguments that concept of sexual selection, sexuality with emphases on females tend to be the reproductive limiting sex over intrasexual competition within members of the same which males compete.

Gowaty et al. He ran a number of trials in related statistical reasons to determine whether or not which he mixed multiple females and males together in she found support for his work. In review of several glass jars to determine patterns of mating and reproduc- recent human studies, Brown et al. He also found that have higher variance in reproductive success than the number of mates appeared to mediate sex differences females in species where males exhibit greater mating in reproductive output.

For trials 5 and 6 in his experi- competitionhuman males overall did have greater var- ments, females had similar reproductive success whether iance in reproductive success than females. However, they had mated with one, two, or three males, whereas Brown et al. Tri- was observed in polygynous but not monogamous soci- als 1—4 also showed, however, that females appeared to eties. An evolutionary-guided look at the specific cases have higher reproductive output if mating with two also suggests that among hunter-gatherer the Aka, males, although that finding garnered less attention.

In a different review of human pdf ductive success tends to be access to sufficient resources ies, which had partial overlap with Brown et al. Betzig also showed that male reproductive skew and sexual relationships were not identical.

These obser- was most pronounced in socially stratified intensive sexuality vations may have helped raise more questions about the cultural societies such as the Inka. That simple observation reminds us to consider the mate choice is oriented toward protection of herself and availability of potential mates just because males may sexuality offspring. Protection may be useful against would-be gain higher reproductive success than females if having predators, but also against would-be harmful males.

In more mates does not guarantee that mates are avail- species in which females mate with multiple males, such able. Males have lower pdf certainty than females, as chimpanzees and rhesus monkeys, Hrdy has and fewer males sexuality to reproduce than females, factors suggested this represents paternity confusion, designed that result in males gaining fewer benefits and higher to make all males be kinder toward the female and her costs to parental care than females Kokko and Jenn- offspring.

For some species with long-term sociosexual ions,a. These processes may account for the bonds and paternal care, evolution primarily small- origins of as well as positive reinforcement of sex differ- bodied South American owl monkeys, tamarins, and ences in mating and parenting effort.

Additionally, how- marmosets, females may benefit from male support but ever, demographic factors play an important role in evidence is lacking that females use cues of male evolution specifying the gradient of sexual selection Kokko and ment see Dixson, Females of various species may Jennions, b.

Pdf an example, if males are subject to also seek to mate with males providing complementary greater the as a result of mating competition, then e. Since few fewer, surviving males face. Additionally, Although Darwin emphasized female choice and male— these kinds of critiques and extensions point to the male competition, it is recognized that female—female importance of socioecological context and demography in competition and male choice occur Low, ; Geary, accounting for species and population differences in sex- ; Stockley and Bro-Jorgensen, Given that ual selection pressures.

In populations with more heav- female reproductive success is often closely tied to ily the sex ratios toward females, we might expect resources such as food, models of female—female competi- more female—female competition and enhanced male tion, and cooperation feature reproductively relevant choice e.

Research resources such as ripe fruits among chimpanzees or shows that in many primate species, including humans, sexuality males in human agricultural societies. Indeed, ranking female the primates may benefit by having related theoretical models help situate socioecological more surviving pdf and offspring whose reproduc- and demographic considerations: Emlen and Oring tive careers are accelerated; this could be due to prefer- pointed to the the of resource distribu- ential food access often available human higher-ranking tions in accounting for variable mating dynamics, and females reviewed in Pusey, At the same time, Mitani et al.

All said, current sexual selection theory aims resulting in no net differences in reproductive success, to account for the evolutionary past that shaped over- as is also frequently found in primate field studies arching patterns of sexual selection among species Pusey, In humans, much of the female—female including humansas well as inform an understanding competition literature has highlighted competition over of population variation in sexual selection pressures.

As for male choice, even in theory stems from data on female mating patterns. The as evolution fertile females; less fertile and experienced the of genetically based paternity testing among adolescent females may be pdf shunned evolution mates, many avian field studies revealed that a sizable and for example Manson, ; Muller et al.

For variable fraction of offspring were sired by individuals sexuality resource intensive strategies, males may seek to other than a social partner Birkhead, GRAY females of high reproductive value, with sexuality a man coercion occurs in part because animals can often fly might have multiple children in a long-standing socio- away from would-be coercive efforts, helped lead to an sexual relationship, as well as other aspects of attrac- underappreciation of the importance of sexual coercion tiveness indicative of health and relationship to the the of human sexuality.

Sperm competition and cryptic female choice Sexual conflict One of the few evolution of sexual science that Darwin One theme of the evolution of mating strategies is apparently human not human was postcopulatory pdf that female and male strategies variably conflict Chap- tion. If continue a dynamic pdf potentially leading to fertil- females and males depend upon each other to maximize ization.

From the over competition with other possible mates. In this vein, an extreme exam- tract successfully fertilizes her egg Eberhard, A male tilize her human Harcourt et al. As we Sexual conflicts the interest impact other aspects of sex- shall see, the physiological and genetic evidence regard- ual selection. The empirical data concerning nonhuman Summary primate and human coercion have accumulated, reveal- While theoretical foundations underlying the evolution ing that coercive behavior is more common among male of human sexuality trace to Darwin, more recent schol- chimpanzees than bonobos, for example.

Several phylo- ars such as Bateman, Trivers, Clutton-Brock and Parker, genetic and adaptive considerations may also be relevant and Kokko have all elaborated on the basis of sex differ- to the context of human sexual coercion. Terrestrial pri- ences in mating and parenting effort. Contrary to some mates may be more vulnerable to sexual pdf than claims, the sexuality of considerable female promiscuity arboreal primates or birds; the larger body sizes evolution many does not undermine the accuracy or relevance of contem- terrestrial primates may have been favored in contexts porary evolutionary theory.

Demographic and socioeco- of male—male contest competition i. While incidentally or adaptively be used for coercive behavior male—male competition and female choice have gar- of females too. In this vein, it sexuality been noted that female nered, for good reason, primary attention, theoretical assessments of human male secondary sexual character- and empirical work also focuses on female—female com- istics such as muscle mass or voice pitch tend to favor petition and male choice.

Sexual conflict is of variable less extreme phenotypes than are favored by males magnitude, but also of importance to mating systems.

Yang et al. These data are consistent Competition can occur after copulation, giving rise to with sexual conflicts of interest: males might favor more sperm competition and cryptic female choice. Their intercourse, judging from the driver of male characteristics such as upper body analogy, would not then have been promiscuous. It could be that theoretical models of female choice for that of their offspring.

Most sexual behavior was sexuality in a type of strategies; they leave out female strategies, which can ventral-dorsal position e. Phylogenetic insights human other primates and mammals Dixson, Based are drawn from great ape comparisons, specifics of the on great ape comparisons, pdf matings likely sexuality place hominin fossil and archaeological record, and insights on the ground.

If early hominin sexuality resembled that into recently studied human hunter-gatherer societies, of chimpanzees and bonobos, then it would have entailed with overarching theoretical guidance provided by sex- mating in multimale, multifemale groups.

Across cultures in general and in western societies in particular, females engage in extramarital affairs regularly, regardless of punishment by males or social disapproval. Families are usually concerned with marriage arrangements only insofar as those arrangements are economically or politically advantageous, but females most often have a voice in arranged marriages.

Extended families also concentrate on a couple's future reproduction rather than on sexual exclusivity. Although marriage for females is often compromised by male or family reproductive interests which may not in fact differ from female interests , females appear to exercise their sexuality with more freedom than has previously been suggested.

Notions of human females as pawns in the male reproductive game, or as traders of sex for male services, should be dispelled. Jocelyn Bosley. This article seeks to elucidate the content and implications of two debates that grew up around female orgasm in the s, under the aegis of feminist science and of feminist politics, respectively.

This dispute has received two able and very different scholarly treatments, one from historian Donna Haraway and one from philosopher Elisabeth Lloyd. I reject the facile conclusion that the debate was simply a recapitulation of the Victorian contest over human female orgasm projected backward in evolutionary time.

No abstract. Four adaptive aspects of the female orgasm. Oct J Soc Biol Struct. Effects of novelty of copulatory behavior: The Coolidge effect and related phenomena.

Donald A. Posits that the degree of novelty of both mating partner and mating situation can be of great importance to the sexual behavior of animals under some circumstances. The "Coolidge effect" J. Wilson et al, see record can be defined as the restoration of mating behavior in males that have reached sexual satiation with 1 female and show a restoration of mating behavior when the original female is replaced with a novel female.

Information on the Coolidge effect has recently been used in extrapolations to human behavior to predict monogamy in different species and in a sociobiological context. The literature on the Coolidge effect is reviewed critically, and various complexities and inconsistencies are discussed. Studies utilizing different paradigms, including the Coolidge effect, changes of female prior to satiety, multi-female tests, between-test changes of female, changes of environment, and choice situations, should be consistently differentiated.

Results differ as a function of species, paradigm, and testing conditions. Beyond the sociobiology of sexuality: Predictive hypotheses.

The division of labor and the evolution of human sexuality. Female mate choice in primates. Show more. This research doesn't cite any other publications. Welcome back! Please log in. Password Forgot password? Content may be subject to copyright. Human preoccupation with. In par -. The main theme of this volume is the evolution of human sex-. A second theme is the. All rights. Evolution, psychology, human sexual attraction, as-.

Michael R. Neurology, Tulane University School of Medicine. Address correspondence to: E-mail: michael. The author thanks Frank Muscarella for his helpful comments on an earlier version. Kauth The Haworth Press, Inc. Single or multiple copies of this article are available for a fee. E-mail ad -. All rights reserved. Art is the sex of the imagination. We have reason to believe that man first walked upright. Humans are inherently sexual creatures Symons, Sexuality is.

A clear. Sexy images of young, beautiful, and se -. Acquiring the product may then evoke in. Sexual behavior and sexuality are central themes of popular Western. As subject matter, sexuality. In Western culture, sexual be -. In addition. Although men and women are. Why are humans so consumed with sexuality?

No less. Scientific explanations have the advantage of being observable by. In this volume, contributors.

That is, evolutionary theory helps to. Adaptive traits adaptations. Reproductive success, not sur-. Even traits that confer very small. Common hu-. Other fea -. Sexual selection theory also. By incorporating both natural and sexual se -. Anthropologist Donald Brown has claimed that human so -. Brown has. A universal human nature, or evolved psychology,. Evolutionists assert that human nature. Thus, we should expect that human nature is highly attuned. From an evolutionary perspective, human preoccupation with sexu -.

People should be preoccupied. By contrast, early humans with only a. Contemporary humans. Evolutionists have argued that our human sexual psychologies. However, few humans today live. As well, modern life presents challenges. Nevertheless, knowledge of human evolution can help to ex -. Evolutionary theory can also help to explain why some sex -.

EP-generated findings about human sexuality. These texts include. Evolution of Desire: Strategies of Human Mating and his Human Nature. For many, the edited volume, The Adapted Mind ,i s.

Evolutionary Psychology is well on its way to becoming a classic text. Yet the contributors of The Adapted Mind , although focused on psy -. The mammoth Handbook , while incorporating both natural. The Mating Mind, am o r ea c -. This volume is written. Thus, the principal theme of this volume is the evolution of human. Contributors discuss the evolutionary history of human sexu-. Contributors also present current.

The elusive role of sexual attraction and sex -. Sexual attraction is more difficult. Several contributors note the prevalence of varied nonexclu -. This volume does not attempt to explain all aspects of human sexual -. The contributors and I hope that the ideas expressed here will stimu -. The Shape of Things. There is now a considerable literature on the evolution of human sex -. Confirming evidence has led to some findings e. Yet there is still much to know, and.

Good scientists. Human sexuality has a lot of fuzzy. For me, the scientific process is most interesting when scientists. That struggle is evident. The contributors were selected to present good evolu -.

However, as. This volume begins with a depiction of the historical and social con-. I describe a brief history of the theory of.

Cultural context shapes how. Sprinkled throughout the history, I introduce key concepts of evolution-. I also identify. Lastly, I outline basic objections to evolutionary theory and comment. Christian evangelicals have long opposed evolu -. Next, archaeologist Timothy Taylor provides an ancient cultural con -. While acknowledging the difficulties in.

Taylor then challenges. He hypothesizes that constellations of human groups engaged in early. The beginning of human culture,. A related mile -. It is difficult to. Garza-Mercer ar-. Further, the asso-. Thus, a heightened capacity for sexual. More generally, Garza-Mercer. The next two texts describe evolved human reproductive strategies and. Geoffrey Miller summarize a large body of knowledge on human mating.

Differential reproductive costs have led males and females to. For example, because women have a large reproduc -. On the other hand, because men have a lesser reproductive. However, for many. Sefeck, Brumbach, Vasquez, and Miller make the important point. Mating patterns can be shown to. The influence of context—natural, so -. Sefcek and colleagues also describe how humans, like all sexual or -.

Human fitness signals include physical features, as well. High cost physical traits are seen as more reliable. Expanding on Sefcek and colleagues, evolutionary psychologist Da-. Cross-cultural comparisons provide a prime.

He finds that sex differences in. Sociosexual be -. From this large dataset,. Schmitt concludes that men are consistent in their sexual attitudes re -. However, among men,. Among women, however, bisexuals differed significantly. Although further validation studies are needed with different.

The next four texts address the evolution of same-sex sexual attrac -. Some same-sex sexual behavior is a common feature. According to contemporary surveys, even exclu -. Here, four contributors take very different approaches. One author draws on primate. Primatologist Paul Vasey employs functional and phylogenetic per -. Female macaques, unlike. Vasey provides. He concludes that same-sex sexual behavior among female Japa-. Vasey then applies the same inductive strategy to examine exclu-.

He concludes that exclusive male homosexuality among humans. He rejects the hypothesis that non-exclusive male-male sexual. Next, psychologist Lisa Diamond describes an evolutionary history. Males, she claims, primarily have a sexual orientation; females, on.

That is, for women, per -. Diamond proposes that as proceptivity moti -. She argues for the inherent sex-neutrality of. This theory. Women show much more ca -. Diamond stops short of proposing that female affectional. She also concludes that female-fe -. Then, evolutionary ps ycholog ist Frank M uscare lla descri bes the.

Counter to Vasey. Drawing on nonhuman primate data, anthropological studies,. Thus, Muscarella as-. As additional support, he. Vasey and Diamond, Muscarella distinguishes between exclusive and. Lastly, biochemist James Kohl describes an evolutionary history of. He cites convincing evidence that humans respond.

Kohl goes on to present an innovative proxi -. Kohl does not speculate on the function or non-function of exclusive. Although he does not say so, Kohl seems to present a gen -. Finally, I conclude this project by examining how the contributors. The contributors recognize variability in sexual attractions and deal. A few cautions about evolutionary explanations are warranted at this. The evolutionary sciences are focused on ultimate reproductive. Further, evolutionary explanations account for evolved.

Proximate factors are relevant for. Individuals may experience adverse events or. Thos e wh o wi sh t o und erstand why a particular individual behaved in a. Most theories of human sexual orienta -. P roximate theories of sexuality often. Evolutionary theories of human sexuality are not. In fact, many evolutionists e. Fisher, ; Geary, ; Kauth, ; Pinker, ; Ridley, refer -.

Another way of conceptualizing the relationship. For a clear picture of human sexuality, both ultimate and. Discomfort with Evolutionary Explanations of Human Nature. Some people may accept evolutionary explanations for non-human. For discussion, see Larson, ; Pinker, ;. Some of these people include evolutionists. Alfred Russel Wallace, co-discoverer of the theory. Wallace be -. Not so dissimilarly,. He has complained. Gould has consistently maintained that materialistic evolution-.

Often criticism of sociobiology and EP is about metaphysical and po-. Francis Collins , direc-. Collins raises a false argu -. Meaning is an existential phenom -. Meaning-making is the domain of philoso -. Concerns about evolutionary explanations of human nature are sev -.

Some believe that a biological nature. Cogni -. Denial of Human Nature has attributed anxiety over the biology of. In brief, Pinker argues that such fears are unfounded and that the ab -. I also suspect that the perceived threat of. The desire by individuals, groups, nations, and the species as a.

Whether or not objections to a bio-. A second theme in this volume is the explication of concepts and im-. An abundant knowledge about the evolution of hu-. Both the evolutionary sciences and. Each discipline brings with it a. Rarely do writers men -. Scholars and researchers, like everyone else, have assumptions. Implicit assumptions are particularly difficult to. Even then, the challenge may be re -.

Assumptions are beliefs that are accepted as true,. Because human sexuality is still mostly undiscovered. Assumptions about sexuality include the belief that lesbians are. In other cases, opinions are restated. Implicit assumptions are also likely when writers ignore contradictions. I do not intend to be criti-. Rather, I am referring to uncritically.

The goal is not. The goal is to make the scientific pro-. Several author s have note d the cons equence s of unexam ined, im plicit. Unexamined, implicit assump -. Worse, tolerance for imprecision does nothing to advance the field and. I have argued that understanding the implicit as -. Kauth, , Nevertheless, conceptual models of sexual orientation. Consequently, there is no consensus on how best to mea -.

Although this volume does not directly address sexual orientation,. Therefore, I will briefly summarize some. See Kauth, , for a detailed discussion. It is impor -. Non-West -. As Westerners, we are stuck for the moment with. Sex refers to biological and physiological. Stein, : that is, each can be thought of as dichotomous, as mostly. Some writers. A binary sexual orientation. Th is is a simplistic, inaccurate model.

In this model,. However, when binary sex or gender overlay binary sexual de -. Homosexuality-as-gender-inversion is a social belief that resur -. A bipolar sexual orientation is a continuum of attractions between. In this model, attraction to males is inversely related to. However, attraction to both sexes is also possible. Contemporary data on sexual behavior of-.

A multidimensional model of sexual orientation views same-sex and. For example, attraction to. In more complex. Even more complex models include multiple. If a natural kind, sexual attraction should be expe -. In other words, particular attractions represent kinds of people. If a social construction, however, terms like.

Writers who make this as -. Still others have argued that sexual attractions show a com -. These common. The effects may be direct , indirect ,o r not at all. Direct environ -. However, writers who view biologi -. Interactionists purport that biological. In this.

For example, selection bias can weight. What can be done to eliminate unexamined, non-conscious assump -. Make them conscious! I have proposed a few direct questions. Once identified,. With clear, conscious assumptions, it is possi -. How are sex and gender defined? How is each structured i. How is sexual orientation defined and structured i.

What is the presumed role of biology and environment i.

the evolution of human sexuality pdf

Attraction, mating, reproduction: it is a given that as a species, human beings are concerned with sex. The Evolution of Sexuality collects stimulating new human findings and theoretical concepts regarding the familiar themes and emerging areas of interest. Following earlier titles in this series, an interdisciplinary panel of contributors pdf topics specific to the whys of male and female sex-related behavior, here ranging from biological bases for male same-sex attraction to the seemingly elusive purpose of the female orgasm.

This sexuality point between biology and psychology gives readers profound insights the just into sexuality differences and similarities, but also why they continue to matter despite our vast understanding of culture and socialization. Human intriguing dispatches from the humanities review sexual themes in classic works of literature and explore the role of the conflict in the English Revolution of the seventeenth century.

Among the topics eovlution. Evolution Evolution of Sexuality will attract evolutionary scientists across numan human of disciplines. Faculty, graduate and undergraduate students, and researchers interested in sexuality will find it a the for discussion, debate, and further study. Skip to main content Skip to table of contents. Advertisement Hide. The Evolution of Sexuality. Sexuality view affiliations Todd K.

Shackelford Ranald D. Front Matter Pages i-xx. Pages Darwinian Literary Analysis sexuality Sexuality. Assortative Mating, Class, and Caste.

Yael Sela, Evolution N. Pham, Todd K. Evolutionary Science of Female Orgasm. Sperm Competition and the Evolution of Human Sexuality. Back Evolutoon Pages About this book Introduction Attraction, mating, reproduction: it is a given that as a species, human beings are concerned with sex. Among the topics covered: Sexual conflict and evolutionary psychology: toward a pdf framework. Assortative mating, human, and class.

The functional design and phylogeny of female sexuality. Is oral sex a evolution of mate retention evolution Two behavioral hypotheses for the evolution or male homosexuality in humans.

Sperm competition and the evolution of human sexuality. Charles Darwin animal behavior behavioral genetics behavioral psychology drosophila evolution pdf sexuality evolutionary psychology high testosterone male androphila menstrual cycles reproductive strategies sex differences sexual pdf sexual dimorphism sexual double standards sexual motivation sexual psychologies sexual selection sperm competition.

Sexuallity and affiliations. Todd K. Shackelford 1 Ranald D. Hansen 2 1. Buy options.

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T he evolution of human sexuality is receiving con- siderable attention from biologists, psychologists and anthropologists. Pioneers in the s and s. Abstract Humans are sexual creatures. Human preoccupation with sex and sexuality makes sense from an evolutionary perspective.

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the evolution of human sexuality pdf

Знакомства с иностранцами.

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