In this informative tutorial video on ASD behavioral signs in one-year-olds video Dr. Rebecca Landa director of the Kennedy Krieger Institutes Center for Autism and Related explain and illustrate the early signs of autism spectrum disorders. In this six clip video, she is comparing toddlers who show no signs of ASD to toddlers who show early signs of ASD. Each video is presented with a voice-over explaining how the specific behaviors exhibited by the child, as they take place on screen, are either indicative of ASD or typical child development. In the first clip, it shows a 19-month-old who does not have ASD he engages others in his play and shares enjoyment by smiling at people among other things. In the next video, it shows another 19-month-old child who does not engage with others and is unresponsive to his name among other things. The last child is 14 months old who has a mild motor delay and does not show sign of ASD because he socially engages and gesture to communicate plus other things. Dr. Lander then explains that in the beginning stages children’s ASD is more subtle. She also states that by the second or third year of the child’s life ASD should be easy to determine if they have it or