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Direct linkSivertsen, Borge; Posserud, Maj-Britt; Gillberg, Christopher; Lundervold, Astri J.; Hysing, Mari – Autism: The International Journal of Research and Practice, 2012
This study examined the prevalence and chronicity of sleep problems in children who manifest problems believed to be typical of Autism Spectrum Disorders (ASD). Using data from a longitudinal total population study, symptoms of ASD, insomnia and potential explanatory factors were assessed at ages 7-9 and 11-13. Children were included in a group…
Descriptors: Incidence, Autism, Sleep, Longitudinal Studies
Niklasson, Lena; Rasmussen, Peder; Oskarsdottir, Solveig; Gillberg, Christopher – Research in Developmental Disabilities: A Multidisciplinary Journal, 2009
This study assessed the prevalence and type of associated neuropsychiatric problems in children and adults with 22q11 deletion syndrome. One-hundred consecutively referred individuals with 22q11 deletion syndrome were given in-depth neuropsychiatric assessments and questionnaires screens. Autism spectrum disorders (ASDs) and/or attention…
Descriptors: Learning Problems, Behavior Problems, Mental Retardation, Autism
