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Georgiades, Stelios; Szatmari, Peter; Boyle, Michael; Hanna, Steven; Duku, Eric; Zwaigenbaum, Lonnie; Bryson, Susan; Fombonne, Eric; Volden, Joanne; Mirenda, Pat; Smith, Isabel; Roberts, Wendy; Vaillancourt, Tracy; Waddell, Charlotte; Bennett, Teresa; Thompson, Ann – Journal of Child Psychology and Psychiatry, 2013
Background: Autism spectrum disorder (ASD) is characterized by notable phenotypic heterogeneity, which is often viewed as an obstacle to the study of its etiology, diagnosis, treatment, and prognosis. On the basis of empirical evidence, instead of three binary categories, the upcoming edition of the DSM 5 will use two dimensions--social…
Descriptors: Pervasive Developmental Disorders, Autism, Student Characteristics, Social Development
Constantino, John N.; Frazier, Thomas W. – Journal of Child Psychology and Psychiatry, 2013
In their analysis of the accumulated data from the clinically ascertained Simons Simplex Collection (SSC), Hus et al. (2013) provide a large-scale clinical replication of previously reported associations (see Constantino, Hudziak & Todd, 2003) between quantitative autistic traits [as measured by the Social Responsiveness Scale (SRS)] and…
Descriptors: Autism, Pervasive Developmental Disorders, Severity (of Disability), Measures (Individuals)
Simonoff, Emily; Jones, Catherine R. G.; Baird, Gillian; Pickles, Andrew; Happe, Francesca; Charman, Tony – Journal of Child Psychology and Psychiatry, 2013
Background: Psychiatric problems are common in autism spectrum disorders (ASDs), but the reasons are poorly understood. We use a longitudinal population-representative cohort to examine for the first time the persistence of psychiatric problems and to identify risk factors for their occurrence and stability. Methods: Eighty-one 16-year olds (75…
Descriptors: Mental Disorders, Pervasive Developmental Disorders, Autism, Adolescents
Hus, Vanessa; Bishop, Somer; Gotham, Katherine; Huerta, Marisela; Lord, Catherine – Journal of Child Psychology and Psychiatry, 2013
The Social Responsiveness Scale (SRS) is currently being used in clinical and genetic studies of autism as both a screener and as a quantitative measure of autistic traits. This article assesses the influence of nonspecific factors on SRS scores to aid researchers in their interpretations of these scores. In their commentary, Constantino and…
Descriptors: Measurement Techniques, Pervasive Developmental Disorders, Autism, Screening Tests
Fein, Deborah; Barton, Marianne; Eigsti, Inge-Marie; Kelley, Elizabeth; Naigles, Letitia; Schultz, Robert T.; Stevens, Michael; Helt, Molly; Orinstein, Alyssa; Rosenthal, Michael; Troyb, Eva; Tyson, Katherine – Journal of Child Psychology and Psychiatry, 2013
Background: Although autism spectrum disorders (ASDs) are generally considered lifelong disabilities, literature suggests that a minority of individuals with an ASD will lose the diagnosis. However, the existence of this phenomenon, as well as its frequency and interpretation, is still controversial: were they misdiagnosed initially, is this a…
Descriptors: Autism, Pervasive Developmental Disorders, Clinical Diagnosis, Symptoms (Individual Disorders)
Moss, Jo; Howlin, Patricia; Magiati, Iliana; Oliver, Chris – Journal of Child Psychology and Psychiatry, 2012
Background: The prevalence of autism spectrum disorder (ASD) symptomatology is comparatively high in Cornelia de Lange syndrome (CdLS). However, the profile and developmental trajectories of these ASD characteristics are potentially different to those observed in individuals with idiopathic ASD. In this study we examine the ASD profile in CdLS in…
Descriptors: Autism, Pervasive Developmental Disorders, Genetic Disorders, Mental Retardation
Szatmari, Peter; Georgiades, Stelios; Bryson, Susan; Zwaigenbaum, Lonnie; Roberts, Wendy; Mahoney, William; Goldberg, Jeremy; Tuff, Lawrence – Journal of Child Psychology and Psychiatry, 2006
Background: The Restricted, Repetitive Behaviours and Interests (RRBIs) are represented in the DSM-IV and measured by the Autism Diagnostic Interview-Revised (ADI-R) as one of the three homogeneous symptom categories of Pervasive Developmental Disorders. Although this conceptualisation is well accepted in the field, the grouping of symptoms is…
Descriptors: Evidence, Medical Evaluation, Autism, Interests