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Verheij, C.; Louwerse, A.; van der Ende, J.; Eussen, M. L. J. M.; Van Gool, A. R.; Verheij, F.; Verhulst, F. C.; Greaves-Lord, K. – Journal of Autism and Developmental Disorders, 2015
The current study was a 7-year follow-up of 74 6-12 year old children with Pervasive Developmental Disorder-Not Otherwise Specified. We examined the rates and 7 year stability of comorbid psychiatric diagnoses as ascertained with the Diagnostic Interview Schedule for Children: Parent version at ages 6-12 and again at ages 12-20. Also, we examined…
Descriptors: Autism, Pervasive Developmental Disorders, Comorbidity, Clinical Diagnosis
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Louwerse, A.; Eussen, M. L. J. M.; Van der Ende, J.; de Nijs, P. F. A.; Van Gool, A. R.; Dekker, L. P.; Verheij, C.; Verheij, F.; Verhulst, F. C.; Greaves-Lord, K. – Journal of Autism and Developmental Disorders, 2015
The current 7-year follow-up study investigated: (1) the stability of ASD severity, and (2) associations of ASD severity in adolescence with (a) childhood and concurrent psychiatric comorbidity, and (b) concurrent societal functioning. The Autism Diagnostic Observation Schedule (ADOS) and the Diagnostic Interview Schedule for Children were…
Descriptors: Autism, Pervasive Developmental Disorders, Severity (of Disability), Symptoms (Individual Disorders)
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de Bruin, Esther I.; de Nijs, Pieter F. A.; Verheij, Fop; Hartman, Catharina A.; Ferdinand, Robert F. – Journal of Autism and Developmental Disorders, 2007
The objective of this study was to identify behavioral differences between children with multiple complex developmental disorder (MCDD) and those with pervasive developmental disorder-not otherwise specified (PDD-NOS). Twenty-five children (6-12 years) with MCDD and 86 children with PDD-NOS were compared with respect to psychiatric co-morbidity,…
Descriptors: Pervasive Developmental Disorders, Children, Child Behavior, Anxiety
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de Bruin, Esther I.; Ferdinand, Robert F.; Meester, Sjifra; de Nijs, Pieter F. A.; Verheij, Fop – Journal of Autism and Developmental Disorders, 2007
Rates of co-morbid psychiatric conditions in children with Pervasive Developmental Disorder-Not Otherwise Specified (PDD-NOS) are hardly available, although these conditions are often considered as more responsive to treatment than the core symptoms of PDD-NOS. Ninety-four children with PDD-NOS, aged 6-12 years were included. The DISC-IV-P was…
Descriptors: Behavior Disorders, Pervasive Developmental Disorders, Child Behavior, Diagnostic Tests