Published online by Cambridge University Press: 07 November 2014
The literature on neuropsychiatric, neuropsychological, and neuroimaging findings in autism and Asperger's disorder is briefly reviewed. Neurological soft sign, neuropsychological, and positron-emission tomography findings in one patient with Asperger's disorder and one patient with autism are highlighted, discussed as examples of heterogeneity, and integrated with the relevant literature.