Atypical autism

Definition: A type of pervasive developmental disorder that differs from childhood autism either in age of onset or in failing to fulfil all three sets of diagnostic criteria. This subcategory should be used when there is abnormal and impaired development that is present only after age three years, and a lack of sufficient demonstrable abnormalities in one or two of the three areas of psychopathology required for the diagnosis of autism (namely, reciprocal social interactions, communication, and restricted, stereotyped, repetitive behaviour) in spite of characteristic abnormalities in the other area(s). Atypical autism arises most often ...[+++]in profoundly retarded individuals and in individuals with a severe specific developmental disorder of receptive language. | Atypical childhood psychosis Mental retardation with autistic features

Definition: A disorder of uncertain nosological validity, characterized by the same type of qualitative abnormalities of reciprocal social interaction that typify autism, together with a restricted, stereotyped, repetitive repertoire of interests and activities. It differs from autism primarily in the fact that there is no general delay or retardation in language or in cognitive development. This disorder is often associated with marked clumsiness. There is a strong tendency for the abnormalities to persist into adolescence and adult life. Psychotic episodes occasionally occur in early adult life. | Autistic psychopathy Schizoid disorder ...[+++] of childhood

Autism epilepsy syndrome due to branched chain ketoacid dehydrogenase kinase deficiency

A rare genetic neurological disorder characterized by infant hypotonia and feeding difficulties, global development delay, mild to moderate intellectual disability, delayed independent ambulation, broad-based gait with arms upheld and flexed at the e

Autism and facial port-wine stain syndrome

Autism spectrum disorder, epilepsy, arthrogryposis syndrome

Autistic features checklist