any one of several pervasive developmental disorders with an onset typically occurring during the preschool years. Each disorder is characterized by varying but often marked difficulties in communication and social interaction. The group includes autism, pervasive developmental disorders, Asperger's Disorder, and Rett's syndrome, among others. Substantial proportions of children with autistic spectrum disorders, excluding Asperger's syndrome, are reported to also have varying degrees of mental retardation and cognitive deficiencies. Also known as autism spectrum disorder.
What is AUTISTIC SPECTRUM DISORDER?
Written by Pam MS, NCSP | Fact checked by Psychology Dictionary staff
AUTISTIC SPECTRUM DISORDER: "A person with an autistic spectrum disorder may have cognitive impairments, but will almost certainly have difficulties maintaining socially appropriate behaviors."
About the Psychology Dictionary
Psychology Dictionary is the most comprehensive source of psychology definitions online with over 20K definitions written by our global team of psychiatrist & psychology professionals. ...more