Autism Spectrum Disorder (ASD) Supporting Families Autism National Committee Autism Navigator Autism Society of America Autism Speaks First Words Project Federal Resources HHS Autism Information NIDCD Autism Spectrum Disorder: Communication Problems in Children NIH Autism Spectrum Disorder (ASD): Overview NIMH Autism Spectrum Disorder NINDS Autism Spectrum Disorder Fact Sheet NINDS Pervasive Developmental Disorders