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Profiling Autism and Attention Deficit Hyperactivity Disorder Traits in Children with SYNGAP1-Related Intellectual Disability
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Damien Wright; Aisling Kenny; Lindsay A. M. Mizen; Andrew G. McKechanie; Andrew C. Stanfield – Journal of Autism and Developmental Disorders, 2025
SYNGAP1-related ID is a genetic condition characterised by global developmental delay and epilepsy. Individuals with SYNGAP1-related ID also commonly show differences in attention and social communication/interaction and frequently receive additional diagnoses of Autism Spectrum Disorder (ASD) or Attention Deficit Hyperactivity Disorder (ADHD). We…
Descriptors: Autism Spectrum Disorders, Attention Deficit Hyperactivity Disorder, Symptoms (Individual Disorders), Children
Detecting Autism Spectrum Disorder and Attention Deficit Hyperactivity Disorder Using Multimodal Time-Frequency Analysis with Machine Learning Using the Electroretinogram from Two Flash Strengths
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Sultan Mohammad Manjur; Luis Roberto Mercado Diaz; Irene O. Lee; David H. Skuse; Dorothy A. Thompson; Fernando Marmolejos-Ramos; Paul A. Constable; Hugo F. Posada-Quintero – Journal of Autism and Developmental Disorders, 2025
Purpose: Autism spectrum disorder (ASD) and attention deficit hyperactivity disorder (ADHD) are conditions that similarly alter cognitive functioning ability and challenge the social interaction, attention, and communication skills of affected individuals. Yet these are distinct neurological conditions that can exhibit diverse characteristics…
Descriptors: Autism Spectrum Disorders, Attention Deficit Hyperactivity Disorder, Symptoms (Individual Disorders), Clinical Diagnosis
Change in Sleep Latency as a Mediator of the Effect of Physical Activity Intervention on Executive Functions among Children with ADHD: A Secondary Analysis from a Randomized Controlled Trial
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Hui Qiu; Xiao Liang – Journal of Autism and Developmental Disorders, 2024
This study aimed to explore the potential mediating role of sleep quality in the effect of physical activity (PA) intervention for improving executive functions (EFs) in children with attention-deficit hyperactivity disorder (ADHD). Participants aged 6 to 12 years old with a formal ADHD diagnosis were recruited from a local hospital. A total of 80…
Descriptors: Children, Attention Deficit Hyperactivity Disorder, Sleep, Physical Activity Level
The Association between Threatened Miscarriage and Autism Spectrum Disorder and Attention-Deficit/Hyperactivity Disorder in Offspring by Age 14 Years
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Daire Buckley; Ali S. Khashan; Fergus P. McCarthy; Karen O'Connor; Gillian M. Maher – Journal of Autism and Developmental Disorders, 2025
Objective: To examine the association between threatened miscarriage, and neurodevelopmental disorders, including autism spectrum disorder (ASD) and attention-deficit/hyperactivity disorder (ADHD) in offspring by age 14 years. Methods: We used data from the Millennium Cohort Study, a nationally representative longitudinal study of children born in…
Descriptors: Autism Spectrum Disorders, Neurodevelopmental Disorders, Attention Deficit Hyperactivity Disorder, Pregnancy
Transdiagnostic Patterns of Sensory Processing in Autism and ADHD
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Nichole E. Scheerer; Anahid Pourtousi; Connie Yang; Zining Ding; Bobby Stojanoski; Evdokia Anagnostou; Robert Nicolson; Elizabeth Kelley; Stelios Georgiades; Jennifer Crosbie; Russell Schachar; Muhammad Ayub; Ryan A. Stevenson – Journal of Autism and Developmental Disorders, 2024
Sensory processing abilities are highly variable within and across people diagnosed with autism and attention-deficit/hyperactivity disorder (ADHD). This study examined the transdiagnostic nature of sensory processing abilities, and their association with features of autism and ADHD, in a large sample of autistic people (n = 495) and people with…
Descriptors: Autism Spectrum Disorders, Attention Deficit Hyperactivity Disorder, Sensory Experience, Symptoms (Individual Disorders)
Sensorimotor Features and Daily Living Skills in Autistic Children with and without ADHD
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Emily C. Skaletski; Kelly Barry; Elizabeth Dennis; Ryan Donnelly; Celina Huerta; Andrez Jones; Kate Schmidt; Sabrina Kabakov; Karla K. Ausderau; James J. Li; Brittany G. Travers – Journal of Autism and Developmental Disorders, 2025
Attention-deficit/hyperactivity disorder (ADHD) commonly co-occurs in autistic children. However, additional research is needed to explore the differences in motor skills and sensory features in autistic children with and without ADHD, as well as the impacts of these factors on daily living skills (DLS). This observational study sought to fill…
Descriptors: Autism Spectrum Disorders, Attention Deficit Hyperactivity Disorder, Comorbidity, Psychomotor Skills
Similar Gap-Overlap Profiles in Children with Fragile X Syndrome and IQ-Matched Autism
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Carla A. Wall; Frederick Shic; Elizabeth A. Will; Quan Wang; Jane E. Roberts – Journal of Autism and Developmental Disorders, 2025
Purpose: Fragile X syndrome (FXS) is a single-gene disorder characterized by moderate to severe cognitive impairment and a high association with autism spectrum disorder (ASD) and Attention-Deficit/Hyperactivity Disorder (ADHD). Atypical visual attention is a feature of FXS, ASD, and ADHD. Thus, studying early attentional patterns in young…
Descriptors: Genetic Disorders, Autism Spectrum Disorders, Attention Deficit Hyperactivity Disorder, Symptoms (Individual Disorders)
The Impact of Co-Occurring ADHD on Social Competence Intervention Outcomes in Youth with Autism Spectrum Disorder
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Christina Harkins; Micah O. Mazurek – Journal of Autism and Developmental Disorders, 2024
Purpose: The co-occurrence of autism spectrum disorder (ASD) and attention- deficit/hyperactivity disorder (ADHD) is significant and associated with a host of negative outcomes. Studies investigating social functioning in the presence of the ASD/ADHD co-occurrence have produced mixed findings. The present study further evaluated the impact of…
Descriptors: Autism Spectrum Disorders, Interpersonal Competence, Comorbidity, Attention Deficit Hyperactivity Disorder
Reduced Visual Evoked Potential Amplitude in Autistic Children with Co-Occurring Features of Attention-Deficit/Hyperactivity Disorder
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Amanda Cremone-Caira; Yael Braverman; Gabrielle A. MacNaughton; Julia I. Nikolaeva; Susan Faja – Journal of Autism and Developmental Disorders, 2024
Provided the significant overlap in features of autism spectrum disorder (ASD) and attention-deficit/hyperactivity disorder (ADHD), there is a critical need to identify transdiagnostic markers that could meaningfully stratify subgroups. The objective of this study was to compare the visual evoked potential (VEP) between 30 autistic children, 17…
Descriptors: Autism Spectrum Disorders, Attention Deficit Hyperactivity Disorder, Symptoms (Individual Disorders), Children
Greater Physical Activity Is Associated with Lower Rates of Anxiety and Depression among Autistic and ADHD Youth: National Survey of Children's Health 2016-2020
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Amy L. Accardo; Nancy M. H. Pontes; Manuel C. F. Pontes – Journal of Autism and Developmental Disorders, 2024
Data from the National Survey of Children's Health 2016-2020 was used to examine the association between physical activity and anxiety and depression among autistic youth, non-autistic youth with ADHD, and non-autistic non-ADHD youth. There was a significant negative association between physical activity and anxiety among all groups. Reduction in…
Descriptors: Physical Activity Level, Anxiety, Depression (Psychology), Autism Spectrum Disorders
Heightened Anxiety and Depression among Autistic Adolescents with ADHD: Findings from the National Survey of Children's Health 2016-2019
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Amy L. Accardo; Nancy M. H. Pontes; Manuel C. F. Pontes – Journal of Autism and Developmental Disorders, 2024
Data from the National Survey of Children's Health 2016-2019 was used to examine the co-occurrence of autism and ADHD and the impact on anxiety and depression among adolescents age 12-17. Rates of anxiety and depression were up to ten-fold the prevalence of adolescents not diagnosed with autism or ADHD. Over half of autistic females (57%) and…
Descriptors: Anxiety Disorders, Depression (Psychology), Autism Spectrum Disorders, Adolescents
Screening for Attention Deficit Hyperactivity Disorder in Young Autistic Adults: The Diagnostic Accuracy of Three Commonly Used Questionnaires
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Melanie Palmer; Zhaonan Fang; Matthew J. Hollocks; Tony Charman; Andrew Pickles; Gillian Baird; Emily Simonoff – Journal of Autism and Developmental Disorders, 2024
Objective: Attention Deficit Hyperactivity Disorder (ADHD) is a common co-occurring condition in autistic individuals. ADHD is sometimes first recognised in young adulthood because ADHD symptoms may be misattributed to autism due to superficial overlap in presentation and diagnostic overshadowing. It should be investigated whether ADHD…
Descriptors: Screening Tests, Attention Deficit Hyperactivity Disorder, Young Adults, Autism Spectrum Disorders
Adaptive Behavior in Young Autistic Children: Associations with Irritability and ADHD Symptoms
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Kimberly L. H. Carpenter; Naomi O. Davis; Marina Spanos; Maura Sabatos-DeVito; Rachel Aiello; Grace T. Baranek; Scott N. Compton; Helen L. Egger; Lauren Franz; Soo-Jeong Kim; Bryan H. King; Alexander Kolevzon; Christopher J. McDougle; Kevin Sanders; Jeremy Veenstra-VanderWeele; Linmarie Sikich; Scott H. Kollins; Geraldine Dawson – Journal of Autism and Developmental Disorders, 2024
Attention-deficit/hyperactivity disorder (ADHD) symptoms affect 40-60% of autistic children and have been linked to differences in adaptive behavior. It is unclear whether adaptive behavior in autistic youth is directly impacted by co-occurring ADHD symptoms or by another associated feature of both autism and ADHD, such as increased irritability.…
Descriptors: Attention Deficit Hyperactivity Disorder, Autism Spectrum Disorders, Behavior Problems, Symptoms (Individual Disorders)
Parents' and Teachers' Perspectives of Autism and Co-Morbidity Symptom Severity in Young Children with ASD over One School Year
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Einat Avni; Esther Ben-Itzchak; Ronit Saban-Bezalel; Ditza A. Zachor – Journal of Autism and Developmental Disorders, 2025
Purpose: Only a few studies examined the longitudinal pattern of parent-teacher reports on autism severity and comorbidities in autism spectrum disorder (ASD) and yielded conflicting results. The study's aims were to compare parents and teachers' perception of autism, attention deficit hyperactivity disorder (ADHD) and anxiety symptoms severity in…
Descriptors: Parent Attitudes, Teacher Attitudes, Autism Spectrum Disorders, Severity (of Disability)
Using the Infant Sibling-Design to Explore Associations between Autism and ADHD Traits in Probands and Temperament in the Younger Siblings
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Linn Andersson Konke; Terje Falck-Ytter; Emily J. H. Jones; Amy Goodwin; Karin Brocki – Journal of Autism and Developmental Disorders, 2024
The purpose of the current study was to use the infant sibling design to explore whether proband traits of autism and ADHD could provide information about their infant sibling's temperament. This could help us to gain information about the extent to which infant temperament traits are differentially associated with autism and ADHD traits. We used…
Descriptors: Siblings, Birth Order, Autism Spectrum Disorders, Attention Deficit Hyperactivity Disorder
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