Autism; Children; Family Characteristics; Family History; Family Influence; Genetics; Heredity; Incidence; Multiple Disabilities; Predictor Variables; Severe Mental Retardation
Source:
Journal of Autism and Developmental Disorders, v31 n1 p89-96 Feb 2001
A study involving 47 families of individuals (ages 4-34) with autism and severe mental retardation found the familial loading for autism and for the broader phenotype was closely comparable to that in a study of children with higher IQ autism, and different from that for children with Down syndrome. (Contains references.) (Author/CR)