Bryant and colleagues test the roles of initial psychiatric reactions, mild traumatic brain injury, and ongoing stressors on delayed-onset posttraumatic stress disorder.

To examine whether early child care moderates associations between maternal depressive symptoms and child internalizing problems (emotional problems, separation anxiety symptoms, and social withdrawal symptoms) during the preschool period, Herba et al performed a population-based prospective cohort study within the Québec Longitudinal Study of Child Development.

Müller et al assess whether adolescents with prenatal exposure to maternal cigarette smoking differ from their nonexposed peers in the response of the ventral striatum to the anticipation or the receipt of a reward.

Benros and coauthors estimate the effect of autoimmune diseases and infections on the risk of developing mood disorders.

McGrath et al identify a candidate neuroimaging treatment-specific biomarker that predicts differential outcome to either medication or psychotherapy.