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Sexual desire is typically measured as a unitary erotic phenomenon and is often assumed by biological and biomedical researchers, as well as the lay public, to be directly connected to physiological parameters like testosterone (T). In the present study, we empirically examined how conceptualizing sexual desire as multifaceted might clarify associations with T and contextual variables. To do so, we used the Sexual Desire Questionnaire (DESQ), which assesses multifaceted dyadic sexual desire, to explore how contextual variables such as social location, relationship status, and desire target (e.g., partner vs. stranger) might be meaningful for reports of sexual desire and associated hormonal correlations. We focused on women (N = 198), because sexual desire and testosterone are generally unlinked in healthy men. Participants imagined a partner or stranger while answering the 65 DESQ items and provided a saliva sample for hormone assay. Analyses showed that the DESQ factored differently for the current sample than in previous research, highlighting how sexual desire can be constructed differently across different populations. We also found that, for the Intimacy, Eroticism, and Partner Focus factors, mean scores were higher when the desire target was a partner relative to a stranger for participants in a relationship, but equally high between partner versus stranger target for single participants. DESQ items resolved into meaningful hormonal desire components, such that high endorsement of Fantasy Experience was linked to higher T, and higher cortisol was linked with lower endorsement of the Intimacy factor. We argue that conceptualizing desire as multifaceted and contextualized when assessing hormonal links-or questions in general about desire-can clarify some of its complexities and lead to new research avenues.

Testosterone is thought to be positively associated with "mating effort", or the initiation and establishment of sexual relationships (Wingfield et al., 1990). Yet, because testosterone is negatively associated with nurturance (van Anders et al., 2011), high levels of testosterone may be incompatible with relationship maintenance. For instance, partnered men with high testosterone report lower relationship quality compared to partnered men with low testosterone (e.g., Booth and Dabbs, 1993). Findings for women are inconsistent, however, and even less is known about potential dyadic associations between testosterone and relationship quality in couples. In the current report, we assessed relationship satisfaction, commitment, and investment in heterosexual couples and tested the hypothesis that these aspects of relationship quality would be negatively associated with an individual's own and his/her partner's testosterone levels. We found that testosterone was in fact negatively associated with relationship satisfaction and commitment in both men and women. There was also evidence for dyadic associations: Participants' satisfaction and commitment were negatively related to their partners' levels of testosterone, and these associations were larger for women's than men's testosterone. Our findings are consistent with the idea that high testosterone may be incompatible with the maintenance of nurturant relationships. The current findings also provide some of the first evidence for dyadic associations between testosterone and relationship quality in couples, highlighting the interdependent nature of close relationship processes and the importance of considering this interdependence in social neuroendocrine research., (Published by Elsevier Inc.)

Cross-cultural evidence links pair bonding and testosterone (T). We investigated what factors account for this link, how casual relationships are implicated, and whether gender/sex moderates these patterns in a North American sample. We gathered saliva samples for radioimmunoassay of T and self-report data on background, health, and social/relational variables from 115 women and 120 men to test our predictions, most of which were supported. Our results show that singles have higher T than long-term (LT) partnered individuals, and that casual relationships without serious romantic commitment are more like singlehood for men and LT relationships for women-in terms of T. We were also able to demonstrate what factors mediate the association between partnering and T: in women, frequency of partnered sexual activity mediated the effect in men, interest in more/new partners mediated the effect. This supported our prediction of relationship status interpretations in women, but relationship orientation in men. Results replicated past findings that neither sexual desire nor extrapair sexuality underlie the T-partnering link. We were able to rule out a large number of viable alternative explanations ranging from the lifestyle (e.g., sleep) to the social (e.g., social support). Our data thus demonstrate pattern and mediators for the development of T-pair bonding associations, and emphasize the importance of neither under- nor overstating the importance of gender/sex in research about the evolution of intimacy., (Copyright © 2010 Elsevier Inc. All rights reserved.)

This study tested how an STI diagnosis influences perceptions of hypothetical romantic/sexual partners. In an online experiment, participants (n = 189) were randomly assigned to one of five vignette conditions, which varied in how a potential partner's STI status was described. HSV or HIV-positive status (with treatment) decreased the likelihood that participants would have sex or a relationship with the target. However, LGBTQ participants were less likely to consider an STI diagnosis a deal-breaker relative to cisgender, heterosexual participants. Results highlight a need for accurate sex education content about living with treatable but incurable STIs. [ABSTRACT FROM AUTHOR]

Solitary and partnered sexuality are typically depicted as fundamentally similar, but empirical evidence suggests they differ in important ways. We investigated how women's definitions of sexual pleasure overlapped and diverged when considering solitary versus partnered sexuality. Based on an interdisciplinary literature, we explored whether solitary pleasure would be characterized by eroticism (e.g., genital pleasure, orgasm) and partnered pleasure by nurturance (e.g., closeness). Via focus groups with a sexually diverse sample of women aged 18-64 (N = 73), we found that women defined solitary and partnered pleasure in both convergent and divergent ways that supported expectations. Autonomy was central to definitions of solitary pleasure, whereas trust, giving pleasure, and closeness were important elements of partnered pleasure. Both solitary and partnered pleasure involved exploration for self-discovery or for growing a partnered relationship. Definitions of pleasure were largely similar across age and sexual identity; however, relative to queer women, heterosexual women (especially younger heterosexual women) expressed greater ambivalence toward solitary masturbation and partnered orgasm. Results have implications for women's sexual well-being across multiple sexual identities and ages, and for understanding solitary and partnered sexuality as overlapping but distinct constructs. [ABSTRACT FROM AUTHOR]