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Ponnet, Koen; Buysse, Ann; Roeyers, Herbert; De Corte, Kim – Journal of Autism and Developmental Disorders, 2005
The present paper consists of two parts. In the first part, eleven high-functioning adults with pervasive developmental disorder (PDD) participated and were videotaped with a concealed camera while having an initial conversation with a typically developing stranger. Analyses revealed some significant differences with regard to the dyad members'…
Descriptors: Adults, Pervasive Developmental Disorders, Interpersonal Communication, Behavior Patterns
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Gillberg, Christopher; Rasmussen, Peder – Journal of Autism and Developmental Disorders, 1994
This paper summarizes the case histories of four young children with concurrent autistic disorder and Williams syndrome. Williams syndrome comprises a peculiar facial appearance, learning disorder, and often hypercalcemia, mild microcephaly, large blood vessel stenosis, and a specific behavioral phenotype. Literature on Williams syndrome is…
Descriptors: Autism, Behavior Patterns, Case Studies, Incidence