Child internalizing symptoms: contributions of child temperament, maternal negative affect, and family functioning.

Research has traditionally focused on the role of genetic and environmental variables in the development and maintenance of childhood internalizing disorders. Temperament variables, such as negative affect and effortful control have gained considerable interest within the field of developmental psychopathology. Environmental factors such as mother-child interactions and family cohesion have also been linked with internalizing disorders.

Longitudinal course of anxiety in children and adolescents with Williams syndrome.

The longitudinal course of anxiety disorders in 45 children and adolescents with Williams syndrome (WS) was examined. Children were ages 4-13 years at the initial assessment. To assess their child's DSM-IV diagnoses, parents completed a structured diagnostic interview 3-9 times at intervals of at least 1 year.