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Nag, Heidi Elisabeth; Naerland, Terje – Journal of Intellectual Disabilities, 2021
Smith-Magenis syndrome (SMS) is a genetic syndrome most often caused by a deletion on chromosome 17 or more rarely by a mutation in the retinoic acid-induced 1 gene. The aim of this study was to investigate the Developmental Behavior Checklist (DBC) profile of persons with SMS and the associations between behavioural and emotional problems, age,…
Descriptors: Genetic Disorders, Behavior Problems, Emotional Problems, Age Differences
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Nag, Heidi Elisabeth; Hoxmark, Lise Beate; Naerland, Terje – Journal of Intellectual Disabilities, 2019
The experience of having a rare disorder was summarised in a large study as 'falling outside the vast field of knowledge of the professionals'. Parents (31 mothers and 17 fathers) of 32 persons with Smith-Magenis syndrome (SMS) participated in this study. A phenomenological approach was used to analyse the data into topics and themes. Four themes…
Descriptors: Genetic Disorders, Intellectual Disability, Behavior Problems, Parents
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Ebejer, Jane L.; Coventry, William L.; Byrne, Brian; Willcutt, Erik G.; Olson, Richard K.; Corley, Robin; Samuelsson, Stefan – Scientific Studies of Reading, 2010
Twin children from Australia, Scandinavia, and the United States were assessed for inattention, hyperactivity-impulsivity, and reading across the first 3 school years. Univariate behavior-genetic analyses indicated substantial heritability for all three variables in all years. Longitudinal analyses showed one genetic source operating across the…
Descriptors: Elementary School Students, Foreign Countries, Attention Deficit Hyperactivity Disorder, Genetic Disorders