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The Mediatory Role of Executive Functioning on the Association between Sleep and Both Everyday Memory and ADHD Symptoms in Children and Youth with Down Syndrome
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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
The Quality of Everyday Eye Contact in Williams Syndrome: Insights from Cross-Syndrome Comparisons
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Ridley, Ellen; Arnott, Bronia; Riby, Deborah M.; Burt, D. Michael; Hanley, Mary; Leekam, Susan R. – American Journal on Intellectual and Developmental Disabilities, 2022
Past research shows that individuals with Williams syndrome (WS) have heightened and prolonged eye contact. Using parent report measures, we examined not only the presence of eye contact but also its qualitative features. Study 1 included individuals with WS (n = 22, ages 6.0-36.3). Study 2 included children with different neurodevelopmental (ND)…
Descriptors: Eye Movements, Congenital Impairments, Neurodevelopmental Disorders, Autism Spectrum Disorders
Attention/Deficit Hyperactivity Disorder in Adolescent and Young Adult Males with Fragile X Syndrome
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Klusek, Jessica; O'Connor, Shannon L.; Hickey, Alexandra; Hills, Kimberly J.; Abbeduto, Leonard; Roberts, Jane E. – American Journal on Intellectual and Developmental Disabilities, 2022
This study characterized the rates of attention-deficit/hyperactivity disorder (ADHD) in adolescent and young adult males with fragile X syndrome (FXS) using a multi-method approach integrating a DSM-based parent interview (Children's Interview for Psychiatric Syndromes; P-ChIPS, Fristad et al., 1998) and a parent rating scale (Child Behavior…
Descriptors: Attention Deficit Hyperactivity Disorder, Adolescents, Young Adults, Males
Stimulus Overselectivity in Autism, Down Syndrome, and Typical Development
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Dube, William V.; Farber, Rachel S.; Mueller, Marlana R.; Grant, Eileen; Lorin, Lucy; Deutsch, Curtis K. – American Journal on Intellectual and Developmental Disabilities, 2016
Stimulus overselectivity refers to maladaptive narrow attending that is a common learning problem among children with intellectual disabilities and frequently associated with autism. The present study contrasted overselectivity among groups of children with autism, Down syndrome, and typical development. The groups with autism and Down syndrome…
Descriptors: Autism, Down Syndrome, Matched Groups, Developmentally Appropriate Practices
Symptoms of Attention-Deficit/Hyperactivity Disorder in Down Syndrome: Effects of the Dopamine Receptor D4 Gene
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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
Development of a New Attention Rating Scale for Children with Intellectual Disability: The Scale of Attention in Intellectual Disability (SAID)
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Freeman, Nerelie C.; Gray, Kylie M.; Taffe, John R.; Cornish, Kim M. – American Journal on Intellectual and Developmental Disabilities, 2015
Difficulties with attention, impulsivity, and hyperactivity are thought to be as common among children with intellectual disability (ID) as they are in children without ID. Despite this, there is a lack of scales to specifically assess ADHD symptomatology in children and adolescents with ID. This article describes the development and evaluation of…
Descriptors: Attention Deficit Hyperactivity Disorder, Mental Retardation, Comorbidity, Symptoms (Individual Disorders)