Heightened activity in social reward networks is associated with adolescents' risky sexual behaviors.

Adolescent sexual risk behavior can lead to serious health consequences, yet few investigations have addressed its neurodevelopmental mechanisms. Social neurocircuitry is postulated to underlie the development of risky sexual behavior, and response to social reward may be especially relevant. Typically developing adolescents (N=47; 18M, 29F; 16.3±1.4years; 42.5% sexual intercourse experience) completed a social reward fMRI task and reported their sexual risk behaviors (e.g., lifetime sexual partners) on the Youth Risk Behavior Survey (YRBS). Neural response and functional connectivity to social reward were compared for adolescents with higher- and lower-risk sexual behavior. Adolescents with higher-risk sexual behaviors demonstrated increased activation in the right precuneus and the right temporoparietal junction during receipt of social reward. Adolescents with higher-risk sexual behaviors also demonstrated greater functional connectivity between the precuneus and the temporoparietal junction bilaterally, dorsal medial prefrontal cortex, and left anterior insula/ventrolateral prefrontal cortex. The greater activation and functional connectivity in self-referential, social reward, and affective processing regions among higher sexual risk adolescents underscores the importance of social influence underlying sexual risk behaviors. Furthermore, results suggest an orientation towards and sensitivity to social rewards among youth engaging in higher-risk sexual behavior, perhaps as a consequence of or vulnerability to such behavior

A Cross-Cultural Examination of Peer Status and Social Correlates in the United States and China

Popularity and likability—two measures of adolescent peer status—have been examined frequently within Western cultures but relatively rarely within Eastern cultures. This study offered a cross-cultural comparison of adolescent peer status to examine whether these constructs and their correlates vary between the United States and China. The study consisted of a sample of adolescents from China and the United States (N = 864, Mage = 15.95; 50.5% female). Adolescents completed sociometric peer nominations assessing popularity, likability, and five behavioral correlates: aggression, victimization, prosocial behavior, sad affect, and anxious behavior. Results suggest that popularity may be more differentiated from likability in the United States than in China. More specifically, the association between popularity and likability was stronger in China, and the behavioral correlate profiles of these peer constructs was more similar within China than within the United States. Another notable finding was that popularity was significantly positively associated with aggression in the United States but was significantly negatively associated with aggression in China. Results are discussed through the lens of cultural differences in the meaning of peer status

Romantic relationships and sexuality in diverse adolescent populations: Introduction to the special issue.

Although scientific research on adolescent romantic and sexual development has proliferated in recent years, currently, too little is known about how development in these areas can be understood across diverse populations (e.g., different socio-cultural groups within countries) and contexts (e.g., countries or different proximal social environments). The goal of the current virtual special issue in the Journal of Adolescence was to highlight relevant and timely empirical findings from studies utilizing innovative and diverse research methods in the areas of adolescent romantic and sexual development from around the globe, with an emphasis on data collected outside of the Western world. It combines an interesting set of nine empirical papers, which describe datasets from 5 countries (Canada, India, Indonesia, Mexico, and the United States). In this editorial, we provide an introduction to this special issue, and illustrate how these studies expand our understanding of adolescent romantic and sexual development by examining: 1) romantic and sexual relationship constructs that are relevant for understudied and diverse populations; 2) how culture-specific factors may shape adolescents’ romantic and sexual relationships; 3) how romantic and sexual relationship constructs are linked to psychosocial adjustment outcomes in understudied cultural contexts; 4) the role of different proximal social environments (e.g., parents, siblings, peers) in romantic and sexual development in diverse populations

Sexual Communication Between Early Adolescents and Their Dating Partners, Parents, and Best Friends

This study assessed early adolescents' sexual communication with dating partners, parents, and best friends about six sexual health topics: condoms, birth control, STDs, HIV/AIDS, pregnancy, and abstinence/waiting. Using a school-based sample of 603 youth (ages = 12–15; 57% female; 46% Caucasian), we examined communication differences across demographic and developmental factors, tested whether communication with parents and best friends was associated with greater communication with partners, and examined associations between communication and condom use. Over half of participants had not discussed any sexual topics with their dating partners (54%), and many had not communicated with parents (29%) or best friends (25%). On average, communication was more frequent among adolescents who were female, African American, older, and sexually active, despite some variation in subgroups across partner, parent, and friend communication. Importantly, communication with parents and friends – and the interaction between parent and friend communication – was associated with increased communication with dating partners. Further, among sexually active youth, increased sexual communication with partners was associated with more frequent condom use. Results highlight the importance of understanding the broader family and peer context surrounding adolescent sexual decision-making and suggest a possible need to tailor sexual communication interventions