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Narrowly versus Broadly Defined Autism Spectrum Disorders: Differences in Pre-and Perinatal Risk Factors
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Visser, Janne C.; Rommelse, Nanda; Vink, Lianne; Schrieken, Margo; Oosterling, Iris J.; Gaag, Rutger J.; Buitelaar, Jan K. – Journal of Autism and Developmental Disorders, 2014
This study examined the differential contribution of pre-and perinatal risks in narrowly versus broadly defined autism spectrum disorder (ASD) and across core symptom domains, IQ and co-morbid problems. Children with a DSM-IV diagnosis of autistic disorder (AD) (n = 121) or pervasive developmental disorder not otherwise specified (PDD-NOS)…
Descriptors: Autism, Pervasive Developmental Disorders, Children, Symptoms (Individual Disorders)
Perinatal Risk Factors Interacting with Catechol O-Methyltransferase and the Serotonin Transporter Gene Predict ASD Symptoms in Children with ADHD
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Nijmeijer, Judith S.; Hartman, Catharina A.; Rommelse, Nanda N. J.; Altink, Marieke E.; Buschgens, Cathelijne J. M.; Fliers, Ellen A.; Franke, Barbara; Minderaa, Ruud B.; Ormel, Johan; Sergeant, Joseph A.; Verhulst, Frank C.; Buitelaar, Jan K.; Hoekstra, Pieter J. – Journal of Child Psychology and Psychiatry, 2010
Background: Symptoms of autism spectrum disorder (ASD) and attention-deficit/hyperactivity disorder (ADHD) often co-occur. Given the previously found familiality of ASD symptoms in children with ADHD, addressing these symptoms may be useful for genetic association studies, especially for candidate gene findings that have not been consistently…
Descriptors: Body Weight, Social Behavior, Smoking, Autism