autistic disorder (AD), a psychiatric syndrome featuring restricted and repetitive behavior, and impaired communication and social interaction
one or more of the
autism spectrum disorders, a class of psychiatric syndromes including AD, Asperger's syndrome and pervasive developmental disorder not otherwise specified; with some authors including childhood disintegrative disorder and/or high functioning autism in the class
autistic disorder (AD), a psychiatric syndrome featuring restricted and repetitive behavior, and impaired communication and social interaction
one or more of the
autism spectrum disorders, a class of psychiatric syndromes including AD, Asperger's syndrome and pervasive developmental disorder not otherwise specified; with some authors including childhood disintegrative disorder and/or high functioning autism in the class