Summary
Project Summary Caregivers of children with autism spectrum disorders often recall differences in their children as early as infancy, despite most children with autism being diagnosed after age 3. Caregiver recall of behavioral differences in infancy indicates that there is more to learn from the earliest developmental periods of children later diagnosed with autism that could ultimately contribute to earlier screening and earlier interventions. Understanding the prodromal period could identify sources of heterogeneity in autism phenotypes, such as social communication deficits and delayed lan
