Importance Although infancy is the most rapid period of postnatal growth and development,
factors associated with variation in infant traits are not well understood. Objective To …

Behavioral comorbidity is the rule rather than the exception in autism spectrum disorder
(ASD), and the co-occurrence of autistic traits with subclinical manifestations of other …

Deficits in reciprocal social behavior are a characterizing feature of autism spectrum
disorder (ASD). Autism‐related variation in reciprocal social behavior (AVR) in the general …

Building on prior work using Tom Dishion's Family Check-Up, the current article examined
intervention effects on dysregulated irritability in early childhood. Dysregulated irritability …

The preponderance of causal influence on total population attributable risk for autism is
polygenic in nature, but it is not known how such liability engenders the development of the …

Abstract Joint attention (JA), infants' ability to engage in triadic attention with another person
and a separate object or event, emerges in infancy. Responding to joint attention (RJA) …

Differential emotional reactivity to social and nonsocial stimuli has been hypothesized but
rarely examined empirically in ASD despite its potential importance for development of …

Motor impairment is common in autism spectrum disorder (ASD) and, as such, a potential
target for interventions to improve adaptive functioning. This study investigated motor skill …

Twin studies can help us understand the relative contributions of genes and environment to
phenotypic trait variation, including attentional and brain activation measures. In terms of …

Background The behavioral characteristics of children with autism spectrum disorder (ASD)
are not only affected by their disease, but also by their parenting environment. HR-ASD has …