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Gormezano AM, Harris EA, Gauvin SEM, Pinto J, van Anders G, van Anders SM. Sexual Orientation Across Porn Use, Sexual Fantasy, and In-Person Sexuality: Visualizing Branchedness and Coincidence via Sexual Configurations Theory. ARCHIVES OF SEXUAL BEHAVIOR 2022; 51:1201-1219. [PMID: 35112269 DOI: 10.1007/s10508-021-02202-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 10/19/2021] [Accepted: 10/20/2021] [Indexed: 05/10/2023]
Abstract
Sexual orientation describes sexual interests, approaches, arousals, and attractions. People experience these interests and attractions in a number of contexts, including in-person sexuality, fantasy, and porn use, among others. The extent to which sexual orientation is divergent (branched) and/or overlapping (coincident) across these, however, is unclear. In the present study, a gender/sex and sexually diverse sample (N = 30; 15 gender/sex/ual minorities and 15 majorities) manipulated digital circles representing porn use, in-person sexuality, and fantasy on a tablet during in-person interviews. Participants used circle overlap to represent the degree of shared sexual interests across contexts and circle size to indicate the strength and/or number of sexual interests within contexts. Across multiple dimensions of sexual orientation (gender/sex, partner number, and action/behavior), we found evidence that sexual interests were both branched and coincident. These findings contribute to new understandings about the multifaceted nature of sexual orientations across contexts and provide a novel way to measure, conceptualize, and understand sexual orientation in context.
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Affiliation(s)
- Aki M Gormezano
- Department of Psychology, Queen's University, Kingston, ON, K7L 3N6, Canada
| | - Emily A Harris
- Department of Psychology, Queen's University, Kingston, ON, K7L 3N6, Canada
| | | | - Jude Pinto
- Department of Psychology, Queen's University, Kingston, ON, K7L 3N6, Canada
| | - Greg van Anders
- Department of Physics, Engineering Physics and Astronomy, Queen's University, Kingston, ON, Canada
| | - Sari M van Anders
- Department of Psychology, Queen's University, Kingston, ON, K7L 3N6, Canada.
- Department of Gender Studies, Queen's University, Kingston, ON, Canada.
- Centre for Neuroscience Studies, Queen's University, Kingston, ON, Canada.
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Mogielnicki C, Pearl K. Hominid sexual nature. Theory Biosci 2020; 139:191-207. [PMID: 32170558 PMCID: PMC7244608 DOI: 10.1007/s12064-020-00312-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Accepted: 03/03/2020] [Indexed: 11/28/2022]
Abstract
The aim of the paper is to identify psychosomatic evolutionary adaptations of hominids, which direct them at maximizing their reproductive success, and on the basis of which their various social structures are built. Selected features of the hominid last common ancestor were extracted; by reducing the influence of the social structure, they were defined as the hominid "sexual nature"; these considerations were supported by the analysis of sexual jealousy as a function of socio-environmental conditions. The "sexuality core" of a hominid female was defined as "selective polyandry"-the female selects the best males among those available; and of a hominid male as "tolerant promiscuity"-the male strives for multi-male and multi-female copulations with sexually attractive females. The extracted "sexuality cores" condemn hominids to a patriarchal social structure and thus to sexual coercion and jealousy. The source of male sexual jealousy is limited access to females. Hominid female jealousy of the male results mainly from the need for protection and support. Hominids' social structures are determined by females' sexual selectivity or opportunism and by their continuous or periodic proceptivity and estrus signaling. Evolutionary functions developed by women: out-estrus sexuality, copulation calls, multiple orgasms, allow them to obtain the best possible spermatozoid. The institution of marriage blocks the influence of sexual selection in the species Homo sapiens.
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Salmon C, Fisher ML, Burch RL. Evolutionary approaches: Integrating pornography preferences, short-term mating, and infidelity. PERSONALITY AND INDIVIDUAL DIFFERENCES 2019. [DOI: 10.1016/j.paid.2019.05.030] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Wright PJ, Sun C, Steffen NJ, Tokunaga RS. Associative pathways between pornography consumption and reduced sexual satisfaction. SEXUAL AND RELATIONSHIP THERAPY 2017. [DOI: 10.1080/14681994.2017.1323076] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Paul J. Wright
- The Media School, Indiana University, Bloomington, IN, USA
| | - Chyng Sun
- NYU School of Professional Studies, New York University, New York, NY, USA
| | | | - Robert S. Tokunaga
- Department of Communicology, University of Hawaii at Manoa, Honolulu, HI, USA
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DeLecce T, Barbaro N, Mohamedally D, Shackelford TK. Husband's Reaction to His Wife's Sexual Rejection Is Predicted by the Time She Spends With Her Male Friends but Not Her Male Coworkers. EVOLUTIONARY PSYCHOLOGY 2017; 15:1474704917705062. [PMID: 28420246 PMCID: PMC10480843 DOI: 10.1177/1474704917705062] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2017] [Accepted: 03/25/2017] [Indexed: 11/15/2022] Open
Abstract
Males among many species, including humans, evaluate cues of sperm competition risk and adjust accordingly their sperm competition tactics. The number of potential sexual rivals can serve as an index of sperm competition risk. Therefore, men may adjust their in-pair copulatory interest in accordance with the presence of sexual rivals. Using self-reports from 45 married men, we test the hypotheses that the time a man's wife spends with other men-either male friends or male coworkers-will positively predict a man's copulatory interest in his wife (Hypothesis 1) and his anger (Hypothesis 2), upset (Hypothesis 3), and frustration (Hypothesis 4) in response to his wife's sexual rejection. The results show that the time wives spend with male friends (but not male coworkers) predicts their husbands' anger, upset, and frustration in response to sexual rejection, providing support for Hypotheses 2-4. Discussion highlights novel contributions of the current research and provides a potential explanation for the discrepant findings regarding male friends versus male coworkers.
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Affiliation(s)
- Tara DeLecce
- College of Liberal Arts and Sciences, Wayne State University, Detroit, MI, USA
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Sun CF, Wright P, Steffen N. German Heterosexual Women’s Pornography Consumption and Sexual Behavior. ACTA ACUST UNITED AC 2017. [DOI: 10.1177/2374623817698113] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
This study found that German heterosexual women’s personal and partnered consumption of pornography were positively correlated with their desire to engage in or having previously engaged in submissive (but not dominant) sexual behaviors such as having their hair pulled, having their face ejaculated on, being spanked, choked, called names, slapped, and gagged. The association between women’s partnered pornography consumption and submissive sexual behavior was strongest for women whose first exposure to pornography was at a young age. The findings also indicated that women’s personal and partnered pornography consumption were uniquely related to their engagement in submissive sexual behavior. Public Health Significance Statement: This study suggests that greater exposure to pornography among heterosexual German women is associated with their desire to engage in or having previously engaged in submissive sexual behaviors but not dominant behaviors. This pattern of correlations aligns with sexual script theory and content analyses of dominance and submission and gender in pornography. It does not align with the perspective that measures of pornography consumption are simply proxies for factors such as a high sex drive or an adventurous approach to sex.
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Affiliation(s)
| | | | - Nicola Steffen
- Technische Universität Carola-Wilhelmina zu Braunschweig, Fakultät für Geistes- und Erziehungswissenschaften, Braunschweig, Germany
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King R, Dempsey M, Valentine KA. Measuring sperm backflow following female orgasm: a new method. SOCIOAFFECTIVE NEUROSCIENCE & PSYCHOLOGY 2016; 6:31927. [PMID: 27799082 PMCID: PMC5087695 DOI: 10.3402/snp.v6.31927] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Revised: 08/05/2016] [Accepted: 08/12/2016] [Indexed: 01/21/2023]
Abstract
BACKGROUND Human female orgasm is a vexed question in the field while there is credible evidence of cryptic female choice that has many hallmarks of orgasm in other species. Our initial goal was to produce a proof of concept for allowing females to study an aspect of infertility in a home setting, specifically by aligning the study of human infertility and increased fertility with the study of other mammalian fertility. In the latter case - the realm of oxytocin-mediated sperm retention mechanisms seems to be at work in terms of ultimate function (differential sperm retention) while the proximate function (rapid transport or cervical tenting) remains unresolved. METHOD A repeated measures design using an easily taught technique in a natural setting was used. Participants were a small (n=6), non-representative sample of females. The introduction of a sperm-simulant combined with an orgasm-producing technique using a vibrator/home massager and other easily supplied materials. RESULTS The sperm flowback (simulated) was measured using a technique that can be used in a home setting. There was a significant difference in simulant retention between the orgasm (M=4.08, SD=0.17) and non-orgasm (M=3.30, SD=0.22) conditions; t (5)=7.02, p=0.001. Cohen's d=3.97, effect size r=0.89. This indicates a medium to small effect size. CONCLUSIONS This method could allow females to test an aspect of sexual response that has been linked to lowered fertility in a home setting with minimal training. It needs to be replicated with a larger sample size.
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Affiliation(s)
- Robert King
- School of Applied Psychology, University College Cork, Cork, Ireland;
| | - Maria Dempsey
- School of Applied Psychology, University College Cork, Cork, Ireland
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Fleischman DS. An evolutionary behaviorist perspective on orgasm. SOCIOAFFECTIVE NEUROSCIENCE & PSYCHOLOGY 2016; 6:32130. [PMID: 27799083 PMCID: PMC5087694 DOI: 10.3402/snp.v6.32130] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 08/20/2016] [Accepted: 09/23/2016] [Indexed: 11/15/2022]
Abstract
Evolutionary explanations for sexual behavior and orgasm most often posit facilitating reproduction as the primary function (i.e. greater rate of fertilization). Other reproductive benefits of sexual pleasure and orgasm such as improved bonding of parents have also been discussed but not thoroughly. Although sex is known to be highly reinforcing, behaviorist principles are rarely invoked alongside evolutionary psychology in order to account for human sexual and social behavior. In this paper, I will argue that intense sexual pleasure, especially orgasm, can be understood as a primary reinforcer shaped by evolution to reinforce behavior that facilitates reproductive success (i.e. conception through copulation). Next, I will describe an evolutionary account of social shaping. In particular, I will focus on how humans evolved to use orgasm and sexual arousal to shape the social behavior and emotional states of others through both classical and operant conditioning and through both reproductive and non-reproductive forms of sexual behavior. Finally, I will describe how orgasm is a signal of sensitivity to reinforcement that is itself reinforcing.
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Affiliation(s)
- Diana S Fleischman
- Department of Psychology, University of Portsmouth, Hampshire, United Kingdom;
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Abstract
With the recognition, afforded by recent evolutionary science, that female infidelity was a recurrent feature of modern humans' evolutionary history has come the development of a unique area in the study of human mating: sperm competition. A form of male–male postcopulatory competition, sperm competition occurs when the sperm of two or more males concurrently occupy the reproductive tract of a female and compete to fertilize her ova. Males must compete for mates, but if two or more males have copulated with a female within a sufficiently short period of time, sperm will compete for fertilizations. Psychological, behavioral, physiological, and anatomical evidence indicates that men have evolved solutions to combat the adaptive problem of sperm competition, but research has only just begun to uncover these adaptations.
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Prokop P, Pekárik L. Men’s Perception of Raped Women: Test of the Sexually Transmitted Disease Hypothesis and the Cuckoldry Hypothesis. EUROPEAN JOURNAL OF ECOLOGY 2016. [DOI: 10.1515/eje-2016-0001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractRape is a recurrent adaptive problem of female humans and females of a number of non-human animals. Rape has various physiological and reproductive costs to the victim. The costs of rape are furthermore exaggerated by social rejection and blaming of a victim, particularly by men. The negative perception of raped women by men has received little attention from an evolutionary perspective. Across two independent studies, we investigated whether the risk of sexually transmitted diseases (the STD hypothesis, Hypothesis 1) or paternity uncertainty (the cuckoldry hypothesis, Hypothesis 2) influence the negative perception of raped women by men. Raped women received lower attractiveness score than non-raped women, especially in long-term mate attractiveness score. The perceived attractiveness of raped women was not influenced by the presence of experimentally manipulated STD cues on faces of putative rapists. Women raped by three men received lower attractiveness score than women raped by one man. These results provide stronger support for the cuckoldry hypothesis (Hypothesis 2) than for the STD hypothesis (Hypothesis 1). Single men perceived raped women as more attractive than men in a committed relationship (Hypothesis 3), suggesting that the mating opportunities mediate men’s perception of victims of rape. Overall, our results suggest that the risk of cuckoldry underlie the negative perception of victims of rape by men rather than the fear of disease transmission.
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Pham MN, Jeffery AJ, Sela Y, Lynn JT, Trevino S, Willockx Z, Tratner A, Itchue P, Shackelford TK, Fink B, McDonald MM. Duration of Cunnilingus Predicts Estimated Ejaculate Volume in Humans: a Content Analysis of Pornography. EVOLUTIONARY PSYCHOLOGICAL SCIENCE 2016. [DOI: 10.1007/s40806-016-0057-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Tokunaga RS, Wright PJ, McKinley CJ. U.S. adults' pornography viewing and support for abortion: a three-wave panel study. HEALTH COMMUNICATION 2014; 30:577-588. [PMID: 25010599 DOI: 10.1080/10410236.2013.875867] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Pornography consumption may affect judgments on a wide range of sexual and reproductive topics. The present study hypothesized that the consistent images projected in pornography affect sexual scripts related to abortion judgments. National, three-wave longitudinal data gathered from U.S. adults were employed to examine associations between earlier pornography consumption and subsequent support for abortion. The findings suggested that prior pornography consumption may lead to later support for abortion. This study provides additional evidence of pornography's socializing impact, particularly for the older White segment of the population, and adds to knowledge about what environmental factors influence judgments about abortion. Mechanisms that may explain how pornography viewing shapes support for abortion are discussed.
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Leivers S, Simmons LW. Human Sperm Competition. ADVANCES IN THE STUDY OF BEHAVIOR 2014. [DOI: 10.1016/b978-0-12-800286-5.00001-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
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McKibbin WF, Pham MN, Shackelford TK. Human sperm competition in postindustrial ecologies: sperm competition cues predict adult DVD sales. Behav Ecol 2013. [DOI: 10.1093/beheco/art031] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Taylor LD. Male Partner Selectivity, Romantic Confidence, and Media Depictions of Partner Scarcity. EVOLUTIONARY PSYCHOLOGY 2013. [DOI: 10.1177/147470491301100104] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
An experiment was conducted to explore the effects of exposure to partner scarcity or abundance messages on men's partner selectivity, romantic confidence, and self-assessed attractiveness. Undergraduate male participants watched a soap opera narrative featuring either two men competing over one potential female partner (partner scarcity) or two women competing over one potential male partner (partner abundance). Relative to control subjects, watching either narrative reduced romantic confidence. Experimental condition also affected partner selectivity and self-assessed attractiveness, though both effects were moderated by endorsement of traditional masculine ideology. Viewing the abundance narrative resulted in greater selectivity and self-assessed attractiveness for men high in endorsement of traditional masculinity but diminished selectivity and self-assessed attractiveness for men low in endorsement of traditional masculine identity.
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Affiliation(s)
- Laramie D. Taylor
- Communication Department, University of California Davis, Davis, CA, USA
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19
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Saad G. The consuming instinct. What Darwinian consumption reveals about human nature. Politics Life Sci 2013; 32:58-72. [PMID: 24047091 DOI: 10.2990/32_1_58] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Editor's note: In this engaging talk given last February on a particularly cold and blustery day at Texas Tech University, Professor Gad Saad of Concordia University discusses his work in the area of evolutionary consumption. In making the case for understanding consumerism from a Darwinian perspective, Saad addresses several key tenets from his books The Consuming Instinct (1) and The Evolutionary Bases of Consumption. (2) In particular, Saad argues that: (1) many consumption acts can be mapped onto four key Darwinian modules (survival, mating, kin selection, and reciprocal altruism); and, (2) cultural products such as song lyrics and movie plotlines are fossils of the human mind that highlight a shared, biologically based human nature. In this wide-ranging inquiry, Saad summarizes several of his other empirical works, including the effects of conspicuous consumption on men's testosterone levels (3) and how the ovulatory cycle in the human female influences consumption. (4) Overall, Professor Saad contends that an infusion of evolutionary and biologically based perspectives into the discipline of consumer behavior and related government regulatory policies yields myriad benefits, notably greater consilience, more effective practices, an ethos of interdisciplinarity, and methodological pluralism.
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Affiliation(s)
- Gad Saad
- Research Chair in Evolutionary Behavioral Sciences and Darwinian Consumption, John Molson School of Business, Concordia University, 1455 de Maisonneuve Blvd. West, Montreal, Canada H3G 1M8,
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Salmon C. The Pop Culture of Sex: An Evolutionary Window on the Worlds of Pornography and Romance. REVIEW OF GENERAL PSYCHOLOGY 2012. [DOI: 10.1037/a0027910] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Pornography and romance, at first glance they seem to be two genres that are almost polar opposites. Yet both are the products of our evolved human sexuality and both have been the subjects of a variety of authors and researchers. Particularly in the case of pornography, some have argued strongly against its very existence, charging it, its creators and consumers with many of the evils in the world (real and imagined). In the case of romance, many have been derogatory and dismissive of the writers' skills and the readers' minds. In this article, I hope to introduce a different approach to these genres, through an evolutionary lens that serves to illuminate the way in which our sexual natures combined with modern technology to create such widespread distribution and sales. Romance and pornography are both multibillion dollar industries, and their stark contrasts reflect the deep divide at the heart of male and female erotic fantasies. These differences reflect the fact that the selection pressures males and females faced in the reproductive realm over human evolutionary history were not identical.
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Saad G. Nothing in Popular Culture Makes Sense except in the Light of Evolution. REVIEW OF GENERAL PSYCHOLOGY 2012. [DOI: 10.1037/a0027906] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
An evolutionary lens can inform the study of cultural forms in a myriad of ways. These can be construed as adaptations, as exaptations (evolutionary byproducts), as gene–culture interactions, as memes, or as fossils of the human mind. Products of popular culture (e.g., song lyrics, movie themes, romance novels) are to evolutionary cultural theorists what fossils and skeletal remains represent to paleontologists. Although human minds do not fossilize or skeletonize (the cranium does), the cultural products created by human minds do. By identifying universally recurring themes for a given cultural form (song lyrics and collective wisdoms in the current article), spanning a wide range of cultures and time periods, one is able to test key tenets of evolutionary psychology. In addition to using evolutionary psychology to understand the contents of popular culture, the discipline can itself be studied as a contributor to popular culture. Beginning with the sociobiology debates in the 1970s, evolutionary informed analyses of human behavior have engendered great fascination and animus among the public at large. Following a brief summary of studies that have explored the diffusion of the evolutionary behavioral sciences within specific communities (e.g., the British media), I offer a case analysis of the penetration of evolutionary psychology within the blogosphere, specifically the blog community hosted by Psychology Today.
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Nummi P, Pellikka J. Do Female Sex Fantasies Reflect Adaptations for Sperm Competition? ANN ZOOL FENN 2012. [DOI: 10.5735/086.049.0109] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Marczyk JB, Shackelford TK. Book Review: A Biased, Incomplete Perspective on the Evolution of Human Mating Systems. EVOLUTIONARY PSYCHOLOGY 2010. [DOI: 10.1177/147470491000800104] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Affiliation(s)
- Jesse B. Marczyk
- Department of Psychology, Florida Atlantic University, Davie, FL 33314 USA
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Kaighobadi F, Shackelford TK, Goetz AT. From Mate Retention to Murder: Evolutionary Psychological Perspectives on Men's Partner-Directed Violence. REVIEW OF GENERAL PSYCHOLOGY 2009. [DOI: 10.1037/a0017254] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
In response to the tragically high incidence and negative consequences of female-directed violence in intimate relationships, a large literature has been dedicated to the investigation of the proximate and the ultimate or evolutionary predictors of men's partner-directed violence. Evolutionary psychology offers a framework for investigating the design of evolved information-processing mechanisms that motivate costly behaviors such as men's partner-directed violence. We review several forms of men's partner-directed violence, including insults, sexual coercion, physical violence, and homicide, from an evolutionary psychological perspective and with a particular focus on the adaptive problem of paternity uncertainty. The problem of paternity uncertainty is hypothesized to have selected for the emotion of male sexual jealousy, which in turn motivates men's nonviolent and violent mate retention behaviors. We review empirical evidence for the relationships among paternity uncertainty, male sexual jealousy, and men's partner-directed violence. We propose that a comprehensive understanding of men's partner-directed violence will be achieved only by careful consideration of both proximate and ultimate causes.
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Affiliation(s)
| | | | - Aaron T. Goetz
- Department of Psychology, California State University, Fullerton
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25
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Abstract
AbstractArcher's argument regarding sex differences in partner violence rests on a general account of between-sex differences in reproductive strategies and in social roles. However, men's partner-directed violence often is predicted by perceived risk of female infidelity. We hypothesize that men's partner-directed violence is produced by psychological mechanisms evolved to solve the adaptive problem of paternity uncertainty.
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Camilleri JA, Quinsey VL. Testing the Cuckoldry Risk Hypothesis of Partner Sexual Coercion in Community and Forensic Samples. EVOLUTIONARY PSYCHOLOGY 2009. [DOI: 10.1177/147470490900700203] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Evolutionary theory has informed the investigation of male sexual coercion but has seldom been applied to the analysis of sexual coercion within established couples. The cuckoldry risk hypothesis, that sexual coercion is a male tactic used to reduce the risk of extrapair paternity, was tested in two studies. In a community sample, indirect cues of infidelity predicted male propensity for sexual coaxing in the relationship, and direct cues predicted propensity for sexual coercion. In the forensic sample, we found that most partner rapists experienced cuckoldry risk prior to committing their offence and experienced more types of cuckoldry risk events than non-sexual partner assaulters. These findings suggest that cuckoldry risk influences male sexual coercion in established sexual relationships.
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Goetz AT, Shackelford TK. Sexual coercion in intimate relationships: a comparative analysis of the effects of women's infidelity and men's dominance and control. ARCHIVES OF SEXUAL BEHAVIOR 2009; 38:226-234. [PMID: 18415011 DOI: 10.1007/s10508-008-9353-x] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2006] [Revised: 09/11/2007] [Accepted: 12/23/2007] [Indexed: 05/26/2023]
Abstract
Researchers studying the proximate (or immediate) causes of sexual coercion have proposed that partner rape is motivated by a man's attempt to dominate and control his partner and that this expression of power is the product of men's social roles. Researchers studying the ultimate (or evolutionary) causes, in contrast, have proposed that partner rape may function as an anti-cuckoldry tactic, with its occurrence related to a man's suspicions of his partner's sexual infidelity. In two studies, we collected data relevant to both perspectives to explore how these variables interact with men's sexual coercion in an intimate relationship. Regression analyses from Study 1 (self-reports from 256 men) and Study 2 (partner-reports from 290 women) indicated that men's sexual coercion of their partners was consistently predicted by female infidelity and men's controlling behavior, suggesting that both variables are necessary to explain men's sexual coercion. Discussion addressed limitations of the current research and highlighted the importance of integrating multiple levels of analysis when studying men's sexual coercion of their intimate partners.
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Affiliation(s)
- Aaron T Goetz
- Department of Psychology, California State University, Fullerton, P.O. Box 6848, Fullerton, CA 92831, USA.
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McKibbin WF, Shackelford TK, Goetz AT, Starratt VG. Why Do Men Rape? An Evolutionary Psychological Perspective. REVIEW OF GENERAL PSYCHOLOGY 2008. [DOI: 10.1037/1089-2680.12.1.86] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Rape of women by men has occurred throughout recorded history and across cultures. In this article, we discuss rape from an evolutionary psychological perspective. Evolutionary psychology is a powerful heuristic tool that allows researchers to develop and test novel hypotheses about complex behaviors such as rape. Some researchers have argued that men have evolved psychological mechanisms that motivate them to rape in specific contexts. We discuss evidence consistent with this claim, and argue that a more nuanced view of men's rape behavior is necessary. We propose that it may be useful to characterize rapists as belonging to one of several types, distinguished by individual differences as well as by the circumstances in which they are predicted to commit rape. We discuss research evidence in support of each rapist type, as well as the need for future research. Finally, we discuss research concerning women's rape-avoidance psychology and behavior.
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Matthews RN, Domjan M, Ramsey M, Crews D. Learning effects on sperm competition and reproductive fitness. Psychol Sci 2007; 18:758-62. [PMID: 17760768 DOI: 10.1111/j.1467-9280.2007.01974.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Learning and other common psychological processes presumably evolved because they contribute to reproductive fitness, but reproductive outcomes are rarely measured in psychology experiments. We examined the effects of Pavlovian conditioning on reproductive fitness in a sperm-competition situation. Typically, two males mating with the same female in immediate succession sire similar numbers of offspring. In a study with domesticated quail (Coturnix japonica), we increased paternity success by presenting a Pavlovian signal that permitted one of two competing males to predict copulatory opportunity. Using microsatellite-based DNA fingerprinting, we found that signaled males sired 72% of the offspring when competing with control males, and this effect was independent of copulation order. In the absence of Pavlovian conditioning, rates of fertilization were not significantly different for two males that copulated with the same female. These findings demonstrate that Pavlovian conditioning contributes to reproductive fitness and suggest that individual past experience can bias genetic transmission and the evolutionary changes that result from sexual competition.
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Suschinsky KD, Lalumière ML. Book Review: The View from the Cuckold. EVOLUTIONARY PSYCHOLOGY 2007. [DOI: 10.1177/147470490700500209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- Kelly D. Suschinsky
- Department of Psychology, University of Lethbridge; Lethbridge, Alberta, Canada, T1K 3M4
| | - Martin L. Lalumière
- Department of Psychology, University of Lethbridge; Lethbridge, Alberta, Canada, T1K 3M4
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Abstract
There is increasing evidence from non-human animals that males adjust their ejaculate expenditure according to the risk of sperm competition. In this study we show that, after controlling for lifestyle factors known to influence semen quality, human males viewing images depicting sperm competition had a higher percentage of motile sperm in their ejaculates. Many lifestyle variables were confirmed to influence semen quality, including the recent suggestion that storage of mobile phones close to the testes can decrease semen quality.
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Sexual coercion and forced in-pair copulation as sperm competition tactics in humans. HUMAN NATURE-AN INTERDISCIPLINARY BIOSOCIAL PERSPECTIVE 2006; 17:265-82. [DOI: 10.1007/s12110-006-1009-8] [Citation(s) in RCA: 101] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2005] [Revised: 10/13/2005] [Accepted: 11/21/2005] [Indexed: 11/25/2022]
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Sperm competition and female procurement of male resources. HUMAN NATURE-AN INTERDISCIPLINARY BIOSOCIAL PERSPECTIVE 2006; 17:283-300. [DOI: 10.1007/s12110-006-1010-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2005] [Revised: 01/19/2006] [Accepted: 03/28/2006] [Indexed: 10/23/2022]
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Abstract
A comparative evolutionary psychological perspective predicts that species that recurrently faced similar adaptive problems may have evolved similar psychological mechanisms to solve these problems. Sperm competition provides an arena in which to assess the heuristic value of such a comparative evolutionary perspective. The sperm competition that results from female infidelity and polyandry presents a similar class of adaptive problems for individuals across many species. The authors first describe mechanisms of sperm competition in insects and in birds. They suggest that the adaptive problems and evolved solutions in these species provide insight into human anatomy, physiology, psychology, and behavior. The authors then review recent theoretical and empirical arguments for the existence of sperm competition in humans and discuss proposed adaptations in humans that have analogs in insects or birds. The authors conclude by highlighting the heuristic value of a comparative evolutionary psychological approach in this field.
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Affiliation(s)
- Todd K Shackelford
- Department of Psychology, Florida Atlantic University, Davie, 33314, USA.
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Shackelford TK, Pound N, Goetz AT. Psychological and Physiological Adaptations to Sperm Competition in Humans. REVIEW OF GENERAL PSYCHOLOGY 2005. [DOI: 10.1037/1089-2680.9.3.228] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Postcopulatory competition between males, in the form of sperm competition, is a widespread phenomenon in many animal species. The extent to which sperm competition has been an important selective pressure during human evolution remains controversial, however. The authors review critically the evidence that human males and females have psychological, behavioral, and physiological adaptations that evolved in response to selection pressures associated with sperm competition. The authors consider, using evidence from contemporary societies, whether sperm competition is likely to have been a significant adaptive problem for ancestral humans and examine the evidence suggesting that human males have physiological and psychological mechanisms that allow for “prudent” sperm allocation in response to variations in the risk of sperm competition.
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Affiliation(s)
| | - Nicholas Pound
- Centre for Cognition and Neuroimaging, Brunel University, Uxbridge, England
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