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Valdes, Francisca; Keary, Christopher J.; Mullett, Jennifer E.; Palumbo, Michelle L.; Waxler, Jessica L.; Pober, Barbara R.; McDougle, Christopher J. – Journal of Autism and Developmental Disorders, 2018
Descriptions of individuals with Williams syndrome (WS) and co-morbid major depressive disorder (MDD) with psychotic features have not appeared in the literature. In addition to reviewing previous reports of psychotic symptoms in persons with WS, this paper introduces clinical histories and therapeutic management strategies for three previously…
Descriptors: Depression (Psychology), Psychosis, Adults, Comorbidity
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Anderson, George M. – Journal of Autism and Developmental Disorders, 2012
Genetic and epigenetic differences exist within monozygote twin-pairs and might be especially important in the expression of autism. Assuming phenotypic differences between monozygotic twins are due to environmental influences may lead to mistaken conclusions regarding the relative genetic and environmental contribution to autism risk.
Descriptors: Autism, Genetics, Environmental Influences, Twins
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Rutter, Michael L. – Journal of Autism and Developmental Disorders, 2011
Scientific progress is discussed in relation to clinical issues; genetic issues; environmental issues; and the state of play on psychological treatments. It is concluded that substantial gains in knowledge have been achieved during the last 3 years, and there have been some unexpected findings, but major puzzles remain. We should be hopeful of…
Descriptors: Genetics, Autism, Genetic Disorders, Environmental Influences
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Schendel, Diana E.; Bresnahan, Michaeline; Carter, Kim W.; Francis, Richard W.; Gissler, Mika; Grønborg, Therese K.; Gross, Raz; Gunnes, Nina; Hornig, Mady; Hultman, Christina M.; Langridge, Amanda; Lauritsen, Marlene B.; Leonard, Helen; Parner, Erik T.; Reichenberg, Abraham; Sandin, Sven; Sourander, Andre; Stoltenberg, Camilla; Suominen, Auli; Surén, Pål; Susser, Ezra – Journal of Autism and Developmental Disorders, 2013
The International Collaboration for Autism Registry Epidemiology (iCARE) is the first multinational research consortium (Australia, Denmark, Finland, Israel, Norway, Sweden, USA) to promote research in autism geographical and temporal heterogeneity, phenotype, family and life course patterns, and etiology. iCARE devised solutions to challenges in…
Descriptors: Autism, Epidemiology, International Cooperation, Consortia
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Bohm, Henry V.; Stewart, Melbourne G. – Journal of Autism and Developmental Disorders, 2009
In the development of genetic theories of Autistic Spectrum Disorder (ASD) various characteristics of monozygotic (MZ) and dizygotic (DZ) twins are often considered. This paper sets forth a possible refinement in the interpretation of the MZ twin concordance percentages for ASD underlying such genetic theories, and, drawing the consequences from…
Descriptors: Twins, Autism, Genetics, Genetic Disorders