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Melanie Palmer; Zhaonan Fang; Matthew J. Hollocks; Tony Charman; Andrew Pickles; Gillian Baird; Emily Simonoff – Journal of Autism and Developmental Disorders, 2024
Objective: Attention Deficit Hyperactivity Disorder (ADHD) is a common co-occurring condition in autistic individuals. ADHD is sometimes first recognised in young adulthood because ADHD symptoms may be misattributed to autism due to superficial overlap in presentation and diagnostic overshadowing. It should be investigated whether ADHD…
Descriptors: Screening Tests, Attention Deficit Hyperactivity Disorder, Young Adults, Autism Spectrum Disorders
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Sukhodolsky, Denis G.; Lecavalier, Luc; Johnson, Cynthia; Smith, Tristram; Swiezy, Naomi; Bearss, Karen; Kalvin, Carla B.; Scahill, Lawrence – Autism: The International Journal of Research and Practice, 2020
Anxiety is a common and impairing problem in children with autism spectrum disorder, but little is known about it in preschool children with autism spectrum disorder. This article reports on the characteristics of anxiety symptoms in young children with autism spectrum disorder using a parent-completed rating scale. One hundred and eighty children…
Descriptors: Anxiety, Young Children, Autism, Pervasive Developmental Disorders
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Chakraborty, Payal; Carpenter, Kimberly L. H.; Major, Samantha; Deaver, Megan; Vermeer, Saritha; Herold, Brianna; Franz, Lauren; Howard, Jill; Dawson, Geraldine – Autism: The International Journal of Research and Practice, 2021
Individuals with autism spectrum disorder are more likely than typically developing individuals to experience a range of gastrointestinal abnormalities, including chronic diarrhea, constipation, food sensitivities, and abdominal pain. These gastrointestinal symptoms have been associated with higher levels of irritability and aggressive behavior,…
Descriptors: Autism, Pervasive Developmental Disorders, Human Body, At Risk Persons
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Lord, Catherine; McCauley, James B.; Pepa, Lauren A.; Huerta, Marisela; Pickles, Andrew – Autism: The International Journal of Research and Practice, 2020
Longitudinal data on the functioning of adults referred for possible autism as children are sparse and possibly different from datasets consisting of adult clinical referrals. A total of 123 young adults, mean age of 26, referred for neurodevelopmental disorders in early childhood were categorized into three outcome groups: autism spectrum…
Descriptors: Autism, Pervasive Developmental Disorders, Young Adults, Intelligence Quotient
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Mazurek, Micah O.; Lu, Frances; Macklin, Eric A.; Handen, Benjamin L. – Autism: The International Journal of Research and Practice, 2019
The newest edition of the "Diagnostic and Statistical Manual of Mental Disorders" (5th ed., DSM-5) introduced substantial changes to the diagnostic criteria for autism spectrum disorder, including new severity level ratings for social communication and restricted and repetitive behavior domains. The purpose of this study was to evaluate…
Descriptors: Severity (of Disability), Autism, Pervasive Developmental Disorders, Clinical Diagnosis
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Halvorsen, Marianne; Aman, Michael G.; Mathiassen, Børge; Brøndbo, Per Håkan; Steinsvik, Oddmar Ole; Martinussen, Monica – Journal of Mental Health Research in Intellectual Disabilities, 2019
Introduction: Although the Aberrant Behavior Checklist (ABC) is one of the most widely used behavioral rating scales among people with developmental disabilities, very few studies have examined the factor structure of the non-English versions. Methods: The construct validity of the Norwegian ABC was examined in a clinical sample of children and…
Descriptors: Foreign Countries, Check Lists, Behavior Problems, Psychometrics