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Haiying Yuan; Christine Dollaghan – Journal of Speech, Language, and Hearing Research, 2020
Purpose: No diagnostic tools exist for identifying social (pragmatic) communication disorder (SPCD), a new "Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition" category for individuals with social communication deficits but not the repetitive, restricted behaviors and interests (RRBIs) that would qualify them for a…
Descriptors: Communication Problems, Interpersonal Competence, Autism, Pervasive Developmental Disorders
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Connolly, John J.; Glessner, Joseph T.; Hakonarson, Hakon – Child Development, 2013
Efforts to understand the causes of autism spectrum disorders (ASDs) have been hampered by genetic complexity and heterogeneity among individuals. One strategy for reducing complexity is to target endophenotypes, simpler biologically based measures that may involve fewer genes and constitute a more homogenous sample. A genome-wide association…
Descriptors: Autism, Pervasive Developmental Disorders, Genetics, Genetic Disorders
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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