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Salivary Bioscience News

Interaction of HPA axis and ANS arousal in youth may predict behavior problems

Hypothalamic pituitary adrenal activity and autonomic nervous system arousal predict developmental trajectories of children’s comorbid behavior problems.

Author: Chen FR, et al (2015), Developmental Psychobiology

The combined effects of hypothalamic-pituitary-adrenal (HPA) axis activity and autonomic nervous system (ANS) arousal were examined on developmental trajectories of children’s comorbid internalizing and externalizing problems. Participants included 394 urban dwelling, primarily African American, youth (50% male, age 11-12 years). Cross-domain latent class growth analysis identified a stable comorbid trajectory and four other distinct short-term developmental trajectories of internalizing and externalizing behavior problems. ANS arousal was negatively associated with the probability of stable comorbidity, but only among youth who also had high levels of HPA axis activity. Findings underscore the predictive value of the interaction of HPA axis activity and ANS arousal in differentiating children with stable comorbidity and have important implications for etiological theories and treatment outcome research.

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Keywords: Comorbidity development; cortisol; externalizing problems; internalizing problems; salivary alpha-amylase

*Note: Salimetrics provides this information for research use only (RUO). Information is not provided to promote off-label use of medical devices. Please consult the full-text article.

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