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AbstractThe current paper serves two purposes. First, it reviews the neuroimaging literature most relevant to the field of marketing (e.g., neuroeconomics, decision neuroscience, and neuromarketing). Second, it posits that evolutionary theory is a consilient and organizing meta‐theoretical framework for neuromarketing research. The great majority of neuroimaging studies suffer from the illusion of explanatory depth namely the sophistication of the neuroimaging technologies provides a semblance of profundity to the reaped knowledge, which is otherwise largely disjointed and atheoretical. Evolutionary theory resolves this conundrum by recognizing that the human mind has evolved via the processes of natural and sexual selection. Hence, in order to provide a complete understanding of any given neuromarketing phenomenon requires that it be tackled at both the proximate level (as is currently the case) and the ultimate level (i.e., understanding the adaptive reason that would generate a particular neural activation pattern). Evolutionary psychology posits that the human mind consists of a set of domain‐specific computational systems that have evolved to solve recurring adaptive problems. Accordingly, rather than viewing the human mind as a general‐purpose domain‐independent organ, evolutionary cognitive neuroscientists recognize that many neural activation patterns are instantiations of evolved computational systems in evolutionarily relevant domains such as survival, mating, kin selection, and reciprocity. As such, an evolutionary neuromarketing approach recognizes that the neural activation patterns associated with numerous marketing‐related phenomena can be mapped onto the latter Darwinian modules thus providing a unifying meta‐theory for this budding discipline.Copyright © 2008 John Wiley & Sons, Ltd.

The evolution of sex, sex differences, and human sexuality -- The garden of variety: cross-cultural variation in human sexuality -- Love and maybe marriage: patterns of pair-bonding and romantic love -- Raising human sexuality: processes of sex differentiation and sociosexual expression -- Playing at sex: learning, practicing, and developing sociosexual behavior in context -- Welcome to the party: puberty and adolescent sexual development -- Kinsey takes anatomy class: human reproductive anatomy and physiology within evolutionary perspective -- Turning the key: human sexual response and orgasm -- The evolution of baby-making: mechanisms of fertility,infertility, and variation in fertility outcomes -- Born to be less wild: peripartum shifts in human sexuality -- The sands of time: aging and sexuality -- Sexual revolutions: contemporary human sexual practices

There is a long history of mostly antagonist interactions between feminist and evolutionary scholarship in the behavioral sciences. However, recent theoretical and empirical advances have highlighted that "nature" and "nurture" are not mutually exclusive, or even divorceable, levels of explanation. New developments in evolutionary theory, articulated under the name of "the extended synthesis," show significant promise for integrating feminist and evolutionary approaches to the study of human behavior. The extended synthesis provides feminist inquiry and research an expanded ground on which to enter the conversation, such as with the inclusion of "fast" evolution – the idea that genetic and epigenetic (environmentally influenced gene expression) traits can change within a generation – which demonstrates that there has in fact been evolutionary time to (adaptively) alter behavior and physiology. This integration has the potential to lead to new research paradigms that bridge the old divide between "nature" and "nurture", resulting in transdisciplinary frameworks that show the interaction effects between each. Feminism and feminist psychology will be more complete descriptors and analyzers of human behavior in this model, and crucial interaction effects historically ignored by both the sciences and humanities may now receive due consideration.

Sexting, the digital transmission of sexual messages and images, has become a topic of increased interest and concern. Drawing largely on cross-sectional studies, the literature on associations between sexting and psychosocial outcomes remains inconsistent. The current longitudinal study investigated associations between adolescent girls' sexting and two indicators of psychological well-being: symptoms of depression/anxiety and self-esteem. Responses were collected from a panel sample of 859 female Croatian secondary-school students over a 20-month period, across five classroom-based data collection points. Multi-domain latent growth curve modeling indicated that sexting dynamics were unrelated to changes in psychological well-being. Adverse family environment and, to a lesser extent, participants' peer conformism were related to more frequent sexting and lower levels of psychological well-being. Our findings support the notion that in general adolescent girls' sexting may be a (non-pathological) part of sexual development during middle to late adolescence in today's digital age.

Coupledom and notions of intimacy and family formation with one committed partner are hallmarks of family and relationship science. Recent national surveys in the United States and Canada have found that consensually non-monogamous relationships are common, though prevalence of specific types of consensual non-monogamy are unknown. The present research draws on a United States Census based quota sample of single adults (N = 3,438) to estimate the prevalence of desire for, familiarity with, and engagement in polyamory—a distinct type of consensually non-monogamous relationship where people typically engage in romantic love and sexual intimacy with multiple partners. Results show that 1 out of 6 people (16.8%) desire to engage in polyamory, and 1 out of 9 people (10.7%) have engaged in polyamory at some point during their life. Approximately 1 out of 15 people (6.5%) reported that they knew someone who has been or is currently engaged in polyamory. Among participants who were not personally interested in polyamory, 1 out of 7 (14.2%) indicated that they respect people who engage in polyamory. Few sociodemographic correlates emerged; no differences in prevalence were found based on political affiliation, income, religion, geographic region, or race/ethnicity. Sexual minorities, men, and younger adults reported greater desire to engage in polyamory (compared to heterosexuals, women, and older adults, respectively). Men and people with lower education backgrounds were more likely to have previously engaged in polyamory (compared to women and people with higher education backgrounds, respectively). Given that emotional and sexual intimacy is an important part of most people's lives, understanding the varied ways in which people navigate their intimate lives is critical for the fields of relationship, sexuality, and family science.

Coupledom and notions of intimacy and family formation with one committed partner are hallmarks of family and relationship science. Recent national surveys in the United States and Canada have found that consensually non-monogamous relationships are common, though prevalence of specific types of consensual non-monogamy are unknown. The present research draws on a United States Census based quota sample of single adults (N = 3,438) to estimate the prevalence of desire for, familiarity with, and engagement in polyamory—a distinct type of consensually non-monogamous relationship where people typically engage in romantic love and sexual intimacy with multiple partners. Results show that 1 out of 6 people (16.8%) desire to engage in polyamory, and 1 out of 9 people (10.7%) have engaged in polyamory at some point during their life. Approximately 1 out of 15 people (6.5%) reported that they knew someone who has been or is currently engaged in polyamory. Among participants who were not personally interested in polyamory, 1 out of 7 (14.2%) indicated that they respect people who engage in polyamory. Few sociodemographic correlates emerged; no differences in prevalence were found based on political affiliation, income, religion, geographic region, or race/ethnicity. Sexual minorities, men, and younger adults reported greater desire to engage in polyamory (compared to heterosexuals, women, and older adults, respectively). Men and people with lower education backgrounds were more likely to have previously engaged in polyamory (compared to women and people with higher education backgrounds, respectively). Given that emotional and sexual intimacy is an important part of most people's lives, understanding the varied ways in which people navigate their intimate lives is critical for the fields of relationship, sexuality, and family science.

ABSTRACTScholars from a wide range of human social and behavioral sciences have become interested in the romantic–sexual kiss. This research, and its public dissemination, often includes statements about the ubiquity of kissing, particularly romantic–sexual kissing, across cultures. Yet, to date there is no evidence to support or reject this claim. Employing standard cross‐cultural methods, this research report is the first attempt to use a large sample set (eHRAF World Cultures, SCCS, and a selective ethnographer survey) to document the presence or absence of the romantic–sexual kiss (n = 168 cultures). We defined romantic–sexual kissing as lip‐to‐lip contact that may or may not be prolonged. Despite frequent depictions of kissing in a wide range of material culture, we found no evidence that the romantic–sexual kiss is a human universal or even a near universal. The romantic–sexual kiss was present in a minority of cultures sampled (46%). Moreover, there is a strong correlation between the frequency of the romantic–sexual kiss and a society's relative social complexity: the more socially complex the culture, the higher frequency of romantic–sexual kissing. [kiss, kissing, romantic, sexual, intimate]

AbstractAccording to Rusbult's (1980) investment model, relationships are built and maintained through continual investment in one partner over potential alternative partners. Social media have continued to become more integrated into people's personal lives, with romantic relationship processes often unfolding in this new landscape. A large body of extant literature has explored how social media influence ongoing romantic relationships, but less is known about how social media facilitate relationship transitions (i.e., initiation, dissolution) and associated investment behaviors. In a large and diverse sample (N = 1521), we examine young adults' (18–29 years) social media investment behaviors around the beginnings and ends of their relationships, with a particular focus on how gender, age, and sexual orientation influence behaviors such as posting and removing of images with partners, following and un‐following partners and members of partners' social networks, direct messaging, and commenting on partners' posts. Our results suggest that men and sexual minorities more often engage in investment behaviors earlier in the relationship and after relationship dissolution. However, women and sexual minorities more often engage in disinvestment behaviors after dissolution, including removing traces of an ex‐partner from one's page and blocking them on social media entirely. Our results provide further understanding of how young American adults are enacting each relationship stage on social media and how the intersection of social media and romantic relationships differs by demographic factors.