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Parent-Reported Developmental Regression in Autism: Epilepsy, IQ, Schizophrenia Spectrum Symptoms, and Special Education
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Gadow, Kenneth D.; Perlman, Greg; Weber, Rebecca J. – Journal of Autism and Developmental Disorders, 2017
Examined the psychiatric and clinical correlates of loss of previously acquired skills (regression) as reported by parents of youth with autism spectrum disorder (ASD). Study sample comprised 6- to 18-year old (N = 213) children and adolescents with ASD. Parents reported regression in 77 (36%) youth. A more homogeneous subgroup with regression…
Descriptors: Autism, Pervasive Developmental Disorders, Epilepsy, Intelligence Quotient
Schizophrenia Spectrum and Attention-Deficit/Hyperactivity Disorder Symptoms in Autism Spectrum Disorder and Controls
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Gadow, Kenneth D. – Journal of the American Academy of Child & Adolescent Psychiatry, 2012
Objective: This study compared the differential severity of specific symptoms of schizophrenia spectrum disorder (SSD) in children with autism spectrum disorder (ASD) and child psychiatry outpatient referrals (controls). Each group was further subdivided into subgroups with and without co-occurring attention-deficit/hyperactivity disorder (ADHD).…
Descriptors: Rating Scales, Attention Deficit Hyperactivity Disorder, Autism, Etiology
Association of Schizophrenia Spectrum and Autism Spectrum Disorder (ASD) Symptoms in Children with ASD and Clinic Controls
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Gadow, Kenneth D. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2013
Objective: This study examines relations between the severity of specific symptoms of schizophrenia spectrum disorder (SSD) and severity of the three defining symptom domains of autism spectrum disorder (ASD) in children with ASD (N = 147) and child psychiatry outpatient referrals (Controls; N = 339). Method: Participants were subdivided into four…
Descriptors: Rating Scales, Attention Deficit Hyperactivity Disorder, Autism, Schizophrenia