Autistic disorder refers to a severe childhood disorder characterized by qualitative impairment in social interaction and/or communication; restricted, stereotyped interest and activities; and delays or abnormal functioning in a major area before the age of three.
Autistic Disorder refers to a Pervasive developmental disorder characterized by significant impairment in social interactions and Communication and restricted patterns of behavior, interest, and activity.
Autistic disorder refers to a severe form of pervasive developmental disorder characterized by oddities in social interaction (autistic aloneness), communication impairments, and stereotyped behaviour, interests, and activities.
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