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Starr, Elizabeth; Berument, Sibel Kazak; Pickles, Andrew; Tomlins, Megan; Bailey, Anthony; Papanikolaou, Katerina; Rutter, Michael – Journal of Autism and Developmental Disorders, 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)
Descriptors: Autism, Children, Family Characteristics, Family History