Children's biobehavioral reactivity to challenge predicts DNA methylation in adolescence and emerging adulthood

A growing body of research has documented associations between adverse childhood environments and DNA methylation, highlighting epigenetic processes as potential mechanisms through which early external contexts influence health across the life course. The present study tested a complementary hypothesis: indicators of children's early internal, biological, and behavioral responses to stressful challenges may also be linked to stable patterns of DNA methylation later in life. Children's autonomic nervous system reactivity, temperament, and mental health symptoms were prospectively assessed from infancy through early childhood, and principal components analysis (PCA) was applied to derive composites of biological and behavioral reactivity. Buccal epithelial cells were collected from participants at 15 and 18 years of age. Findings revealed an association between early life biobehavioral inhibition/disinhibition and DNA methylation across many genes. Notably, reactive, inhibited children were found to have decreased DNA methylation of the DLX5 and IGF2 genes at both time points, as compared to non‐reactive, disinhibited children. Results of the present study are provisional but suggest that the gene's profile of DNA methylation may constitute a biomarker of normative or potentially pathological differences in reactivity. Overall, findings provide a foundation for future research to explore relations among epigenetic processes and differences in both individual‐level biobehavioral risk and qualities of the early, external childhood environment.     

Toward Developing Laboratory-Based Parent–Adolescent Conflict Discussion Tasks that Consistently Elicit Adolescent Conflict-Related Stress Responses: Support from Physiology and Observed Behavior

Parent–adolescent conflict poses risk for youth maladjustment. One potential mechanism of this risk is that stress in the form of increased arousal during conflict interactions results in adolescents’ impaired decision-making. However, eliciting consistent adolescent stress responses within laboratory-based tasks of parent–adolescent conflict (i.e., conflict discussion tasks) is hindered by task design. This limitation may stem from how conflict topics are assessed and selected for discussion. Within a sample of 47 adolescents (ages 14–17) and parents, we investigated whether a modified version of a conflict discussion task could elicit physiological (i.e., arousal) and behavioral (i.e., hostility) displays of adolescents’ conflict-related stress responses. We assessed parent–adolescent conflict via structured interview to identify topics for dyads to discuss during the task. We randomly assigned dyads to complete a 5-min task to discuss either a putatively benign topic (i.e., control condition) or a conflict topic while undergoing direct assessments of continuous arousal. Trained raters coded dyad members’ hostile behavior during the task. Adolescents in the conflict condition exhibited significantly greater levels of arousal than adolescents in the control condition. We observed an interaction between discussion condition and baseline conflict. Specifically, higher baseline conflict predicted greater hostile behavior for adolescents in the conflict condition, yet we observed the inverse relation for adolescents in the control condition. Our modified laboratory discussion task successfully elicited both physiological and behavioral displays of adolescent conflict-related stress. These findings have important implications for leveraging experimental paradigms to understand causal links between parent–adolescent conflict and adolescent psychopathology, and their underlying mechanisms.     

Identifying Creativity During Problem Solving Using Linguistic Features

Creativity is commonly assessed using divergent thinking tasks, which measure the fluency, flexibility, originality, and elaboration of participant output on a variety of different tasks. This study assesses the degree to which creativity can be identified based on linguistic features of participants’ language while completing collaborative divergent thinking tasks. To this end, 78 participants’ conversational dialogs (i.e., 39 dyads) within a chat environment were collected while completing three open-ended problem-solving tasks. Expert raters scored the dialogs in terms of fluency, flexibility, elaboration, and originality, as well as three types of creative language (metaphor and simile, humor, and word play). Factor analyses indicated that these scores captured two main constructs (creativity and elaboration). The linguistic features of the participants’ language (captured computationally using natural language processing tools) accounted for significant amounts of variation in both the creativity (R² = .640) and elaboration (R² = .550) scores within linear mixed effect (LME) models. These results highlight specific linguistic features that can be used to explain large amounts of variance in constructs related to creativity.     

A comparison of the web‐based and paper‐and‐pencil versions of the career key interest inventory with a sample of university women

The purpose of this study was to investigate the comparability of the Web‐based (L. K. Jones, 1997) and paper‐and‐pencil (L. K. Jones, 1997) versions of the Career Key career interest inventory. The concurrent validity of the Web‐based version was also assessed using the paper‐and‐pencil version as a criterion measure. A total of 61 female undergraduate students completed both versions of the Career Key. All coefficients were statistically significant, suggesting that for this sample of university women, the Web‐based version of the instrument yielded results that were comparable with those of the paper‐and‐pencil version.     

Predictors and Correlates of Collective Action

Social identity theory suggests that feminist identity should predict engagement in collective action on behalf of women. We examined predictors of collective action by asking female college students (N = 215) to complete a set of questionnaires that measure life experiences, beliefs about feminism and collective action, feminist self-labeling, and involvement in women-focused collective activities. Life experiences (i.e., having a feminist mother, having taken a women's studies class, and having experienced sex discrimination), feminist attitudes and beliefs, feminist self-labeling, and belief in collective action were positively correlated with collective action, whereas conservatism was negatively correlated with collective action. A logistic stepwise regression revealed that the Synthesis stage of feminist identity development was the only variable that uniquely contributed to predicting feminist activism.     

iSTART: interactive strategy training for active reading and thinking.

Interactive Strategy Training for Active Reading and Thinking (iSTART) is a Web-based application that provides young adolescent to college-age students with high-level reading strategy training to improve comprehension of science texts. iSTART is modeled after an effective, human-delivered intervention called self-explanation reading training (SERT), which trains readers to use active reading strategies to self-explain difficult texts more effectively. To make the training more widely available, the Web-based trainer has been developed. Transforming the training from a human-delivered application to a computer-based one has resulted in a highly interactive trainer that adapts its methods to the performance of the students. The iSTART trainer introduces the strategies in a simulated classroom setting with interaction between three animated characters-an instructor character and two student characters-and the human trainee. Thereafter, the trainee identifies the strategies in the explanations of a student character who is guided by an instructor character. Finally, the trainee practices self-explanation under the guidance of an instructor character. We describe this system and discuss how appropriate feedback is generated.     

Do Appearance Focused Cognitive Distortions Moderate the Relationship between Social Comparisons to Peers and Media Images and Body Image Disturbance?

The research questions addressed gender differences in the subjective appraisal of teens experiencing sexual harassment, and the psychosocial maturation of male and female teens appraising such events as threatening to their well-being. Using survey methodology, U.S. undergraduate women (n?=?316; 85% White Caucasian) and men (n?=?270; 85% White Caucasian) reported on their earliest formal work experiences (participants?? average age was M?=?19.03, SD?=?1.87). Results indicated that women, more than men, were more upset by, and were more likely to label an event as, sexual harassment. Results further demonstrated that men, particularly men who appraised harassment as bothersome and relied on behavioral coping, reported detriment to maturity outcomes of autonomy and social responsibility. Implications for a ??wimpy male?? hypothesis are discussed.     

Longitudinal attentional engagement rescues mice from age-related cognitive declines and cognitive inflexibility

Learning, attentional, and perseverative deficits are characteristic of cognitive aging. In this study, genetically diverse CD-1 mice underwent longitudinal training in a task asserted to tax working memory capacity and its dependence on selective attention. Beginning at 3 mo of age, animals were trained for 12 d to perform in a dual radial-arm maze task that required the mice to remember and operate on two sets of overlapping guidance (spatial) cues. As previously reported, this training resulted in an immediate (at 4 mo of age) improvement in the animals' aggregate performance across a battery of five learning tasks. Subsequently, these animals received an additional 3 d of working memory training at 3-wk intervals for 15 mo (totaling 66 training sessions), and at 18 mo of age were assessed on a selective attention task, a second set of learning tasks, and variations of those tasks that required the animals to modify the previously learned response. Both attentional and learning abilities (on passive avoidance, active avoidance, and reinforced alternation tasks) were impaired in aged animals that had not received working memory training. Likewise, these aged animals exhibited consistent deficits when required to modify a previously instantiated learned response (in reinforced alternation, active avoidance, and spatial water maze). In contrast, these attentional, learning, and perseverative deficits were attenuated in aged animals that had undergone lifelong working memory exercise. These results suggest that general impairments of learning, attention, and cognitive flexibility may be mitigated by a cognitive exercise regimen that requires chronic attentional engagement.     

College students' use of electronic communication with parents: links to loneliness, attachment, and relationship quality

Despite the ubiquitous use of new communication technologies, gaps in our knowledge remain regarding who is likely to rely on particular technologies and potential ramifications of these forms of communication on individuals' relationships and adjustment. In an online survey, 211 college students reported on their use of electronic communication with a parent who they identified as their closest family member. Results indicated that students who report more frequent phone conversations with parents also report more satisfying, intimate, and supportive parental relationships, but those students who use a social-networking site to communicate with parents report higher levels of loneliness, anxious attachment, as well as conflict within the parental relationship. The findings offer new evidence on how electronic communication technology with parents is related to adjustment in college students. Our study also suggests that further research is needed using longitudinal designs to understand better young adults' use of technology to communicate in today's society.