The National Institute of Mental Health states that symptoms of autism spectrum disorder vary from one child to the next, but all demonstrate deficits in three areas:
Each of these symptoms runs the gamut from mild to severe. They will present in each individual child differently. For instance, a child may have little trouble learning to read but exhibit extremely poor social interaction. Each child will display communication, social, and behavioral patterns that are individual but fit into the overall diagnosis of ASD.
The following warning signs or “red flags” should be considered as indicators for investigating the possibility of an autism spectrum disorder (ASD) and does not mean a child has an ASD. That requires a diagnostic process from a team of professionals.
6-12 Month Markers:
By 12 Months:
By 16 Months:
By 24 Months:
Learn more about identifying ASD: