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Soltani, Amanallah; Schworer, Emily K.; Esbensen, Anna J. – American Journal on Intellectual and Developmental Disabilities, 2023
People with Down syndrome (DS) commonly experience challenges with sleep, executive functioning, everyday memory, and symptoms of attention deficit hyperactivity disorder (ADHD). A path analysis was conducted to determine if executive function mediated the relationship between sleep problems and both everyday memory and ADHD symptoms. Parents of…
Descriptors: Down Syndrome, Sleep, Executive Function, Memory
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Mason, Gina Marie; Spanó, Goffredina; Edgin, Jamie – American Journal on Intellectual and Developmental Disabilities, 2015
This study examined individual differences in ADHD symptoms and executive function (EF) in children with Down syndrome (DS) in relation to the dopamine receptor D4 (DRD4) gene, a gene often linked to ADHD in people without DS. Participants included 68 individuals with DS (7-21 years), assessed through laboratory tasks, caregiver reports, and…
Descriptors: Symptoms (Individual Disorders), Attention Deficit Hyperactivity Disorder, Individual Differences, Genetics