Autism is a group of developmental brain disorders. Autism is on a spectrum they refer to as the Austim Spectrum Disorder (ASD). The word "spectrum" can mean a wide range of symptoms, skills, and levels of impairment or disability, that children or adults with ASD can have. Some may only be mildly impaired by their symptoms as others may be severly disabled. These resources can act as a guide in your research about Autism and ASD.