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Mazurek, Micah O.; Kanne, Stephen M.; Wodka, Ericka L. – Research in Autism Spectrum Disorders, 2013
Aggression is a clinically significant problem for many children and adolescents with autism spectrum disorders (ASD). However, there have been few large-scale studies addressing this issue. The current study examined the prevalence and correlates of physical aggression in a sample of 1584 children and adolescents with ASD enrolled in the Autism…
Descriptors: Injuries, Adolescents, Aggression, Sleep
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Jang, Jina; Dixon, Dennis R.; Tarbox, Jonathan; Granpeesheh, Doreen – Research in Autism Spectrum Disorders, 2011
The prevalence of challenging behaviors in the autism spectrum disorders (ASD) population is often assumed to be high but relatively little research has actually been published on it. Furthermore, challenging behaviors are likely to impede progress in evidence-based treatment programs, such as early intensive behavioral intervention (EIBI). Little…
Descriptors: Incidence, Autism, Severity (of Disability), Symptoms (Individual Disorders)
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Amr, Mostafa; Raddad, Dahoud; El-Mehesh, Fatima; Bakr, Ashraf; Sallam, Khalid; Amin, Tarek – Research in Autism Spectrum Disorders, 2012
The objective of our study is to estimate the prevalence of comorbid psychiatric disorders in a sample of children with autism spectrum disorders (ASD) recruited from three Arab countries. We also examine the relationship between comorbidity and children's cognitive functioning and gender. Children who received a diagnosis of ASD (n = 60) from a…
Descriptors: Anxiety Disorders, Autism, Arabs, Foreign Countries
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Mayes, Susan Dickerson; Calhoun, Susan L.; Mayes, Rebecca D.; Molitoris, Sarah – Research in Autism Spectrum Disorders, 2012
Children with ADHD and autism have some similar features, complicating a differential diagnosis. The purpose of our study was to determine the degree to which core ADHD and autistic symptoms overlap in and discriminate between children 2-16 years of age with autism and ADHD. Our study demonstrated that 847 children with autism were easily…
Descriptors: Autism, Short Term Memory, Attention Deficit Hyperactivity Disorder, Symptoms (Individual Disorders)
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Weissman, Adam S.; Bates, Marsha E. – Research in Autism Spectrum Disorders, 2010
Bipolar (BD) symptomatology is prevalent in children with autism spectrum disorders (ASD) and may lead to increased impairment. The current study compared clinical and neurocognitive impairment in children (7-13 years) diagnosed with ASD (n=55), BD (n=34), ASD + BD (n=23), and a non-clinical control group (n=27). Relative to the ASD group, the ASD…
Descriptors: Control Groups, Autism, Behavior Disorders, Suicide
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Sikora, Darryn M.; Hartley, Sigan L.; McCoy, Robin; Gerrard-Morris, Aimee E.; Dill, Kameron – Research in Autism Spectrum Disorders, 2008
Over the past few decades, the reported number of children identified as having one of the Autism Spectrum Disorders (ASD) has increased exponentially. One proposed reason for the dramatic increase in the prevalence of ASD is diagnostic substitution, whereby children with other disorders incorrectly receive a diagnosis of ASD. Little research has…
Descriptors: Incidence, Autism, Clinical Diagnosis, Misconceptions