JMS PearceHull, England All the features that characterize Asperger’s syndrome can be found in varying degrees in the normal population.—JK Wing, Asperger’s syndrome: a clinical account” Impairment in social interaction, communication, and repetitive and stereotyped behavior characterize autism spectrum disorder (ASD). The prevalence of Kanner’s autism and Asperger’s syndrome—now grouped as ASD—has apparently increased alarmingly…