Change: 5 “Official” Types of Autism Spectrum Disorders Autistic Disorder Severely disordered verbal and non-verbal language; unusual behaviors. Asperger’s Syndrome Relatively good verbal language, with “milder” non-verbal language problems; restricted range of interests and relatedness. PDD-NOS Non-verbal language problems not meeting strict criteria for other PDD disorders. Rett’s Disorder* Rare   View changes from previous version. (Word count: 1219)

Change: This category should be used when there is a severe and pervasive impairment in the development of reciprocal social interaction or verbal and nonverbal communication   View changes from previous version. (Word count: 1226)