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Do the Severity of Intellectual Disability and/or the Presence of Neurodevelopmental Disorders Influence the Onset of Dementia in People with Down Syndrome?
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Anderson, Merryn; Oak, Katy; Goodey, Rebecca; Dodd, Karen; Shankar, Rohit – Journal of Mental Health Research in Intellectual Disabilities, 2020
Introduction: Having a diagnosis of Down syndrome (DS) is associated with intellectual disability (ID), pervasive developmental disorders and Alzheimer's dementia (AD). The association between these conditions has not been well evaluated. This paper looks to examine the current evidence pertaining to the relationship between dementia in people…
Descriptors: Intellectual Disability, Pervasive Developmental Disorders, Alzheimers Disease, Dementia
Relationship between IQ and Internalizing and Externalizing Symptoms in Children with Autism and Children with ADHD
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Mayes, Susan D.; Baweja, Raman; Waschbusch, Daniel A.; Calhoun, Susan L. – Journal of Mental Health Research in Intellectual Disabilities, 2022
Introduction: Findings regarding the relationship between IQ and comorbidity in autism and ADHD are inconsistent. Methods: Mothers rated 1,436 children with autism and 1,056 with ADHD without autism (IQs 9-149, ages 2-17) on the Pediatric Behavior Scale. Results: Children with IQs < 70 (vs. [greater than or equal to] 70) had less oppositional…
Descriptors: Correlation, Intelligence Quotient, Attention Deficit Hyperactivity Disorder, Comorbidity
Prenatal Alcohol Exposure and Autism Spectrum Disorder in 39 Children and Adults: Examination of Behavioural and Cognitive Profiles
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Temple, Valerie; Cook, Jocelynn L.; Unsworth, Kathy; Roberts, Nicole – Journal of Mental Health Research in Intellectual Disabilities, 2021
Introduction: There is significant symptom overlap between fetal alcohol spectrum disorder (FASD), which results from prenatal alcohol exposure (PAE), and autism spectrum disorder (ASD). There is also limited research regarding the comorbidity of these disorders. Method: Thirty-nine individuals with ASD and PAE (ASD+PAE) aged 3 to 30 years were…
Descriptors: Prenatal Influences, Drinking, Fetal Alcohol Syndrome, Autism
Do You Really Lose When You Snooze? Sleep Correlates of Externalizing and Attention Problems among Pediatric Patients with ADHD, ASD, and Comorbid Diagnosis
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Ng, Rowena; Heinrich, Kimberley; Hodges, Elise – Journal of Mental Health Research in Intellectual Disabilities, 2020
Introduction: The primary aim of this retrospective study was to assess differential associations between sleep disturbances with externalizing/internalizing problems, ADHD profiles (inattention, hyperactivity/impulsivity), and social impairment among children with ADHD, autism spectrum disorder (ASD), and comorbid diagnoses (ASD+ADHD). Methods:…
Descriptors: Sleep, Correlation, Comorbidity, Attention Deficit Hyperactivity Disorder
Patterns of Behavior and Medical Comorbidities in Down Syndrome
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Patel, Lina; Wolter-Warmerdam, Kristine; Hickey, Francis – Journal of Mental Health Research in Intellectual Disabilities, 2020
Introduction: Children and young adults with Down syndrome can demonstrate increased behavior problems compared to their typically developing peers through childhood and adolescence. This study aims to: (1) identify common patterns of behaviors in children and young adults with Down syndrome and (2) assess potential medical comorbidities that…
Descriptors: Down Syndrome, Comorbidity, Sleep, Anxiety
Disruptive Behavior Disorders in Adolescents with ASD: Comparisons to Youth with Intellectual Disability or Typical Cognitive Development
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Baker, Bruce L.; Blacher, Jan – Journal of Mental Health Research in Intellectual Disabilities, 2015
Dual diagnosis of autism spectrum disorder (ASD) and behavior problems and/or mental disorders has become increasingly recognized and studied. Reported rates in samples of mixed-age youth with ASD are often above 70%, making this comorbidity more the rule than the exception. The present study compared rates of disruptive behavior disorder…
Descriptors: Behavior Disorders, Autism, Pervasive Developmental Disorders, Comparative Analysis
Oppositional Defiant Disorder in Children with Intellectual Disabilities
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Christensen, Lisa; Baker, Bruce L.; Blacher, Jan – Journal of Mental Health Research in Intellectual Disabilities, 2013
The study examines the epidemiology of oppositional defiant disorder (ODD) for children with intellectual disabilities (ID; n = 49), children with borderline intellectual functioning (BIF; n = 20), and typically developing children (TD; n = 115). The Diagnostic Interview Schedule for Children was administered to mothers at child ages 5, 6, 7, 8,…
Descriptors: Attention Deficit Hyperactivity Disorder, Epidemiology, Behavior Disorders, Comorbidity