Every year in America, more than half a million parents of late-talking children face agonizing questions: What should I do if my two- or even three-year-old has not yet begun to talk? Should I worry that my child is autistic or intellectually disabled? Are expensive therapies or medications needed? Will my child ever speak normally? In this…

New motor skills can shape how infants communicate with their caregivers. For example, learning to walk allows infants to move faster and farther than they previously could, in turn allowing them to approach their caregivers more frequently to gesture or vocalize. Does the link between walking and communication differ for infants later diagnosed…

Purpose: The purpose of this research was to investigate the impact of dietary factors on developmental trajectories in young autistic children. Methods: A gluten-free and casein-free diets, as well as six types of food (meat and eggs, vegetables, uncooked vegetables, sweets, bread, and "white soft bread that never molds") were…

Early intervention (EI) services--including but not limited to speech, physical, occupational, and mental health therapies--have been proven to significantly benefit young children's development, shaping their readiness for school and offering pivotal support for caregivers. However, racial disparities persist in identification for and access to…

This study aimed to replicate and extend findings from the only known study that has conducted latent profile analysis of developmental profiles, measured by the Battelle Developmental Inventory, for children in Early Intervention (EI). Children (N = 57,966) who were enrolled in Massachusetts EI sites between 2011 and 2019 and completed a Battelle…