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We examined the longitudinal relation between behavioral inhibition (BI) and social anxiety symptoms and behavior and the mediating role of emotion regulation (ER). Moreover, we investigated the influence of parenting behavior on the development of ER strategies. Participants were 291 children (135 male) followed longitudinally from 2 to 13 years. Mothers were predominantly well educated and non-Hispanic Caucasian. Children were screened for BI using maternal report and observational measures (ages 2 and 3), parenting behavior was observed while children and their mothers participated in a fear-eliciting task (age 3), ER strategies were observed while children completed a disappointment task (age 5), and socially anxious behavior was measured via multimethod assessment at 10 and 13 years. Children who exhibited high BI in early childhood exhibited more socially anxious behavior across ages 10 and 13, and there was a significant indirect effect of BI on socially anxious behavior through ER strategies. Children who were high in BI demonstrated less engaged ER strategies during the disappointment task, which in turn predicted more socially anxious behavior. Furthermore, parenting behavior moderated the pathway linking early BI and ER strategies to social anxiety outcomes such that children who exhibited high BI and who received more affectionate/oversolicitous behavior from their mother displayed less engaged ER strategies and more socially anxious behavior than children low in BI or low in oversolicitous parenting behaviors. These findings expand on our understanding of the role that ER strategies and parenting play in the developmental pathway linking early BI to future social anxiety outcomes.

The purpose of this study was to examine the associations between maternal reports of social fear at 24 months and social behaviors with an unfamiliar peer during play at 36 months, using the Actor-Partner Interdependence Model (APIM; Kashy & Kenny, 1999). The APIM model was used to not only replicate previous findings of direct effects of early social fear on children's own social behavior (i.e., actor effects), but also to extend these findings by examining whether children's early social fear relates to an unfamiliar peer's behavior at 36 months (i.e., partner effects). Results revealed that social fear was associated with lower levels of children's own social engagement as well as less social engagement and dysregulated behavior in their play partners. These findings show that toddlers' social interactive behaviors are interdependent and reflect unique contributions of both the individual and their social partner's characteristics. In contrast, social fear was associated with children's own social wariness with the unfamiliar peer, but not their play partners' wariness. We discuss findings in terms of the influence of early social fear on young children's interpersonal environments and the potential role of these altered environments in supporting continuity of social fear and wariness over time.

Behavioral inhibition is a temperament assessed in the toddler period via children's responses to novel contexts, objects, and unfamiliar adults. Social reticence is observed as onlooking, unoccupied behavior in the presence of unfamiliar peers and is linked to earlier behavioral inhibition. In the current study, we assessed behavioral inhibition in a sample of 262 children at ages 2 and 3, and then assessed social reticence in these same children as they interacted with an unfamiliar, same-age, same-sex peer at 2, 3, 4, and 5 years of age. As expected, early behavioral inhibition was related to social reticence at each age. However, multiple trajectories of social reticence were observed including High-Stable, High-Decreasing, and Low-Increasing, with the High-Stable and High-Decreasing trajectories associated with greater behavioral inhibition compared to the Low-Increasing trajectory. In addition, children in the High-Stable social reticence trajectory were rated higher than all others on 60-month Internalizing problems. Children in the Low-Increasing trajectory were rated higher on 60-month Externalizing problems than children in the High-Decreasing trajectory. These results illustrate the multiple developmental pathways for behaviorally inhibited toddlers and suggest patterns across early childhood associated with heightened risk for psychopathology.

The goals of the current study were to investigate the stability of temperamental exuberance across infancy and toddlerhood and to examine the associations between exuberance and social-emotional outcomes in early childhood. The sample consisted of 291 4-month-olds followed at 9, 24, and 36 months and again at 5 years of age. Behavioral measures of exuberance were collected at 9, 24, and 36 months. At 36 months, frontal electroencephalogram (EEG) asymmetry was assessed. At 5 years, maternal reports of temperament and behavior problems were collected, as were observational measures of social behavior during an interaction with an unfamiliar peer in the laboratory. Latent profile analysis revealed a high, stable exuberance profile that was associated with greater ratings of 5-year externalizing behavior and surgency, as well as observed disruptive behavior and social competence with unfamiliar peers. These associations were particularly true for children who displayed left frontal EEG asymmetry. Multiple factors supported an approach bias for exuberant temperament but did not differentiate between adaptive and maladaptive social-emotional outcomes at 5 years of age. (Contains 4 figures and 3 tables.)

Seven hundred seventy-nine infants were screened at 4 months of age for motor and emotional reactivity. At age 9 months, infants who showed extreme patterns of motor and negative (n = 75) or motor and positive (n = 73) reactivity and an unselected control group (n = 86) were administered the Laboratory Temperament Assessment Battery, and baseline electroencephalogram data were collected. Negatively reactive infants showed significantly more avoidance than positively reactive infants and displayed a pattern of right frontal electroencephalogram asymmetry. Positively reactive infants exhibited significantly more approach behavior than controls and exhibited a pattern of left frontal asymmetry. Results support the notion that approach-withdrawal bias underlies reactivity in infancy. (Contains 2 tables, 1 figure, and 1 footnote.)

Children with a history of behaviorally inhibited (BI) temperament face a heightened risk for anxiety disorders and often use control strategies that are less planful. Although these relations have been observed concurrently in early childhood, middle childhood, and adolescence, few studies leverage longitudinal data to examine long-term prospective relations between cognitive control and anxiety. Using longitudinal data from 149 adolescents (55% female; from predominantly White middle-class families), we assessed temperament in toddlerhood and cognitive control and anxiety at 4, 12, 15, and 18 years of age. At age 4, separate measures of task switching and inhibitory control were obtained via the Dimensional Change Card Sort and Stroop tasks, respectively. At 12, 15, and 18 years of age, planful control was assessed with the AX-Continuous Performance Test, and anxiety symptoms were assessed via self-report. Growth curve models revealed that children with greater inhibitory control at age 4, regardless of BI status, experienced a sharper increase in anxiety symptoms across adolescence. Children with heightened BI during early childhood displayed lower levels of planful control at age 12, but experienced a more rapid improvement in these skills across adolescence. Children with greater task switching ability at age 4 displayed higher levels of planful control at age 12, but experienced a smaller increase in these skills across adolescence. Finally, children's growth rate for anxiety was unrelated to their growth rate for planful control. These findings reveal that early-life temperament, cognitive control, and anxiety remain interconnected across development, from toddlerhood to at least late adolescence. Public Significance Statement: This study indicates that temperament and executive function in early childhood predict the future development of anxiety and executive function across adolescence. However, changes in anxiety across adolescence did not relate to changes in executive function across the same period. Together, results suggest that early interventions may have the best chance of improving adolescents' anxiety trajectories. [ABSTRACT FROM AUTHOR]