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Fumiaki Akama; Katsunaka Mikami; Yasushi Orihashi; Syunya Takase; Kyuta Hanawa; Keita Nishikawa; Natsuru Watanabe; Keitaro Kimoto; Yuki Takahashi; Yuichi Onishi; Juan Salas; Kenji Yamamoto; Shigeru Ueno – Journal of Autism and Developmental Disorders, 2025
Purpose: The present study aimed to assess the psychiatric characteristics of children with chronic functional constipation using the Aberrant Behavior Checklist-Japanese version and the Pervasive Developmental Disorders/Autism Society Japan Rating Scale, and to examine the frequency of autism spectrum disorder in children with chronic functional…
Descriptors: Children, Chronic Illness, Autism Spectrum Disorders, Incidence
Laporta, Mariana L.; Sprung, Juraj; Fejedelem, Caroline A.; Henning, Dustin T.; Weaver, Amy L.; Hanson, Andrew C.; Schroeder, Darrell R.; Myers, Scott M.; Voigt, Robert G.; Weingarten, Toby N.; Flick, Randall P.; Warner, David O. – Journal of Autism and Developmental Disorders, 2022
This study tested the hypothesis that exposure of children prior to their third birthday to procedures requiring general anesthesia is associated with an increased incidence of autism spectrum disorder (ASD) in later life. This study employed a nested, 1:2 matched-case control study design using ASD cases identified in a population-based birth…
Descriptors: Anesthesiology, Autism Spectrum Disorders, Correlation, Infants
Lim, Alliyza; Brewer, Neil; Young, Robyn L. – Journal of Autism and Developmental Disorders, 2023
Reports of cybercrime being committed by people on the autism spectrum often imply that autism may be more prevalent among cybercriminals than the general population, although this remains unproven. In an online survey of 302 participants, we found that autistic individuals (n = 25) were more likely to report engagement in cybercrime than…
Descriptors: Crime, Internet, Information Security, Autism Spectrum Disorders
Adams, Dawn – Journal of Autism and Developmental Disorders, 2022
Children on the autism spectrum miss more school than their peers, but limited work has explored why this may be. This study aimed to document the frequency at which children on the autism spectrum miss half and full days of school and the reasons for these absences. Parents of 106 school-aged children on the autism spectrum completed online…
Descriptors: Autism, Pervasive Developmental Disorders, Students with Disabilities, Attendance
Kurtz-Nelson, Evangeline C.; Tham, See Wan; Ahlers, Kaitlyn; Cho, Daniel; Wallace, Arianne S.; Eichler, Evan E.; Bernier, Raphael A.; Earl, Rachel K. – Journal of Autism and Developmental Disorders, 2021
Self-injurious behaviors (SIB) are elevated in autism spectrum disorder (ASD) and related genetic disorders, but the genetic and biological mechanisms that contribute to SIB in ASD are poorly understood. This study examined rates and predictors of SIB in 112 individuals with disruptive mutations to ASD-risk genes. Current SIB were reported in 30%…
Descriptors: Self Destructive Behavior, Injuries, Autism, Pervasive Developmental Disorders
Steenfeldt-Kristensen, Catherine; Jones, Chris A.; Richards, Caroline – Journal of Autism and Developmental Disorders, 2020
Self-injurious behaviour is purportedly common in autism, but prevalence rates have not yet been synthesised meta-analytically. In the present study, data from 14,379 participants in thirty-seven papers were analysed to generate a pooled prevalence estimate of self-injury in autism of 42% (confidence intervals 0.38-0.47). Hand-hitting topography…
Descriptors: Meta Analysis, Self Destructive Behavior, Autism, Pervasive Developmental Disorders
Schuck, Rachel K.; Flores, Ryan E.; Fung, Lawrence K. – Journal of Autism and Developmental Disorders, 2019
Autism spectrum disorder (ASD) is more prevalent in males than females. Previous research indicates females camouflage ASD symptoms more than males, potentially contributing to the difference in prevalence. This study investigated sex/gender differences in behavioral phenotypes in 17 males and 11 females with ASD, as well camouflaging in ASD, in…
Descriptors: Autism, Pervasive Developmental Disorders, Gender Differences, Symptoms (Individual Disorders)
Jussila, K.; Junttila, M.; Kielinen, M.; Ebeling, H.; Joskitt, L.; Moilanen, I.; Mattila, M.-L. – Journal of Autism and Developmental Disorders, 2020
Sensory abnormalities (SAs) are recognized features in Autism Spectrum Disorder (ASD), and a relationship between SAs and ASD traits is also suggested in general population. Our aims were to estimate the prevalence of SAs in three different settings, and to study the association between SAs and quantitative autism traits (QAT) using the Autism…
Descriptors: Sensory Integration, Autism, Pervasive Developmental Disorders, Incidence
Mayes, Susan D.; Seebeck, Jyssica; Waschbusch, Daniel A. – Journal of Autism and Developmental Disorders, 2022
Relationships between sluggish cognitive tempo (SCT) and age and IQ were investigated in children with autism and/or ADHD covering broader age and IQ ranges than in previous studies. Mothers rated 1436 children with autism and 1,056 with ADHD (2-17 years, IQs 9-149) on Pediatric Behavior Scale SCT items. Increasing age correlated with SCT in the…
Descriptors: Correlation, Conceptual Tempo, Referral, Autism
Lee, Maunoo; Krishnamurthy, Jayasree; Susi, Apryl; Sullivan, Carolyn; Gorman, Gregory H.; Hisle-Gorman, Elizabeth; Erdie-Lalena, Christine R.; Nylund, Cade M. – Journal of Autism and Developmental Disorders, 2018
Autism spectrum disorders (ASD) and inflammatory bowel disease (IBD) both have multifactorial pathogenesis with an increasing number of studies demonstrating gut-brain associations. We aim to examine the association between ASD and IBD using strict classification criteria for IBD. We conducted a retrospective case-cohort study using records from…
Descriptors: Autism, Pervasive Developmental Disorders, Diseases, Comorbidity
Rava, Julianna; Shattuck, Paul; Rast, Jessica; Roux, Anne – Journal of Autism and Developmental Disorders, 2017
This study examined the prevalence and correlates of involvement in the criminal justice system among a nationally representative sample of youth with autism. We examined whether youth had been stopped and questioned by police or arrested at 14-15 years old and 21-22 years old. By age 21, approximately 20% of youth with autism had been stopped and…
Descriptors: Autism, Pervasive Developmental Disorders, Adolescents, Young Adults
McDonald, Christin A.; Donnelly, James P.; Feldman-Alguire, Ashlee L.; Rodgers, Jonathan D.; Lopata, Christopher; Thomeer, Marcus L. – Journal of Autism and Developmental Disorders, 2019
In the last decade, the prevalence of children with autism spectrum disorder (ASD) without intellectual disability (ID) in schools has increased. However, there is a paucity of information on special education placement, service use, and relationships between service use and demographic variables for children with ASD without ID. This study aimed…
Descriptors: Special Education, Inclusion, Autism, Pervasive Developmental Disorders
Rasmussen, Lotte; Pratt, Nicole; Roughead, Elizabeth; Moffat, Anna – Journal of Autism and Developmental Disorders, 2019
Based on data from the Longitudinal Study of Australian Children linked with pharmacy dispensing data from the Australian Government's Pharmaceutical Benefits Scheme, we calculated the 1-year prevalence of psychotropic medicine supply in children and adolescents with Autism Spectrum Disorder (ASD) as reported by parents in 2014. The majority of…
Descriptors: Foreign Countries, Incidence, Drug Therapy, Children
Leiva-García, Beatriz; Planells, Elena; Planells del Pozo, Paloma; Molina-López, Jorge – Journal of Autism and Developmental Disorders, 2019
A number of studies have been made of mealtime behavioral problems and food selectivity in patients with autism spectrum disorder (ASD), though not from a multidisciplinary perspective where diet and dental care are investigated in children with ASD. In the present study, the parents of 55 children with ASD and 91 children with typical development…
Descriptors: Dental Health, Eating Disorders, Autism, Pervasive Developmental Disorders
Garofoli, Francesca; Lombardi, Giuseppina; Orcesi, Simona; Pisoni, Camilla; Mazzucchelli, Iolanda; Angelini, Micol; Balottin, Umberto; Stronati, Mauro – Journal of Autism and Developmental Disorders, 2017
The aim of this retrospective study, with prospective data collection, was to correlate congenital cytomegalovirus (CMV) infection with autism spectrum disorder (ASD) and to define its prevalence. Seventy proven congenitally-infected infants, born between 2007 and 2012, were referred to our centre for CMV diagnosis and follow-up, which consisted…
Descriptors: Foreign Countries, Autism, Pervasive Developmental Disorders, Communicable Diseases