A pervasive developmental disorder, Asperger syndrome is distinguished by a pattern of symptoms rather than a single symptom. It is characterized by qualitative impairment in social interaction, by stereotyped and restricted patterns of behavior, activities and interests, and by no clinically significant delay in cognitive development or general delay in language.^[15] Intense preoccupation with a narrow subject, one-sided verbosity, restricted prosody, and physical clumsiness are typical