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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
Symptoms of Autism and Schizophrenia Spectrum Disorders in Clinically Referred Youth with Oppositional Defiant Disorder
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Gadow, Kenneth D.; Drabick, Deborah A. G. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2012
Examined autism spectrum disorder (ASD) and schizophrenia spectrum disorder (SSD) symptoms in a clinically referred, non-ASD sample (N = 1160; ages 6-18) with and without oppositional defiant disorder (ODD). Mothers and teachers completed "DSM-IV"-referenced symptom checklists. Youth with ODD were subdivided into angry/irritable symptom (AIS) or…
Descriptors: Mother Attitudes, Schizophrenia, Autism, Severity (of Disability)
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
Comparison of Children with Autism Spectrum Disorder with and without Schizophrenia Spectrum Traits: Gender, Season of Birth, and Mental Health Risk Factors
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Gadow, Kenneth D.; DeVincent, Carla J. – Journal of Autism and Developmental Disorders, 2012
Children with autism spectrum disorder (ASD) with and without co-occurring schizophrenia spectrum traits (SST) were examined for differences in co-occurring psychiatric symptoms, background characteristics, and mental health risk factors. Participating mothers and teachers completed a DSM-IV-referenced rating scale and a background questionnaire…
Descriptors: Rating Scales, Mental Health, Autism, Schizophrenia