Eye-tracking data shows where toddlers in each of three groups were looking during the Pat-a-Cake animation. It plays upright and forward on the left side of screens, upside down and in reverse on the right side. Red cross indicates where the child was looking. Toddler with autism is focused on audiovisual synchrony of hands clapping, while typically developing and developmentally delayed toddlers focus on face.
Ami Klin, Ph.D., Warren Jones, Ph.D., Yale Child Study Center