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Direct linkHong, Esther; Matson, Johnny L. – Journal of Autism and Developmental Disorders, 2021
Autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by restricted, repetitive patterns of behavior and interests (RRBIs). With the latest update to the Diagnostic and Statistical Manual of Mental Disorders, a severity level rating is assigned to the two core features of ASD (American Psychiatric Association in Diagnostic…
Descriptors: Repetition, Adjustment (to Environment), Behavior Patterns, Interests
Matheis, Maya; Matson, Johnny L.; Hong, Esther; Cervantes, Paige E. – Journal of Autism and Developmental Disorders, 2019
A growing body of research suggests that symptoms of autism spectrum disorder (ASD) may present differently in males and females. This study examined gender differences in ASD symptoms and developmental functioning, using the "Baby and Infant Screen for Children with aUtism Traits, Part 1" (BISCUIT-Part 1) and the "Battelle…
Descriptors: Autism, Pervasive Developmental Disorders, Gender Differences, Symptoms (Individual Disorders)
Cervantes, Paige E.; Matson, Johnny L. – Journal of Autism and Developmental Disorders, 2015
Evidence-based treatment must begin with the systematic and comprehensive identification of an individual's complete clinical picture. Therefore, screening individuals with intellectual disability (ID) for comorbid disorders is imperative. Because of the frequent overlap between autism spectrum disorder (ASD) and ID, the current study explored the…
Descriptors: Autism, Intellectual Disability, Comorbidity, Pervasive Developmental Disorders
Matson, Johnny L.; Dempsey, Timothy; LoVullo, Santino V.; Fodstad, Jill C.; Knight, Cheryl; Sevin, Jay A.; Sharp, Brenda – Research in Developmental Disabilities: A Multidisciplinary Journal, 2013
Little research has been conducted on whether deficits in developmental functioning affect the range of core symptoms for autism spectrum disorders (ASD). This study represents a first attempt to determine whether developmental level has an effect on the expression of ASD symptoms in infants and toddlers. Eight hundred and fifty-three infants were…
Descriptors: Autism, Infants, Intellectual Development, Toddlers
Fodstad, Jill C.; Bamburg, Jay W.; Matson, Johnny L.; Mahan, Sara; Hess, Julie A.; Neal, Daniene; Holloway, Jodie – Research in Developmental Disabilities: A Multidisciplinary Journal, 2010
Atypical antipsychotic medications are commonly used in large-scale residential care facilities for adults with developmental disabilities. While the benefits of this class of psychotropics are noted, debate exists whether the side effect profile of these medications outweigh their therapeutic benefit, especially in those who use them long-term.…
Descriptors: Mental Retardation, Developmental Disabilities, Physical Disabilities, Neurological Impairments
Matson, Johnny L.; Hess, Julie A.; Mahan, Sara; Fodstad, Jill C.; Neal, Daniene – Research in Developmental Disabilities: A Multidisciplinary Journal, 2013
Individuals diagnosed with an intellectual disability (ID) share overlapping traits with those diagnosed with both ID and an Autism Spectrum Disorder (ASD). Therefore, the purpose of this study was to determine if caregivers' reports of symptoms of ASD are of value (i.e., when comparing them to clinical diagnoses of ASD) and to determine which…
Descriptors: Autism, Caregivers, Mental Retardation, Correlation
Matson, Johnny L.; Kozlowski, Alison M.; Fitzgerald, Mary E.; Sipes, Megan – Research in Autism Spectrum Disorders, 2013
Given the importance of early intervention services for children with autism spectrum disorders (ASD), early diagnosis of children is critical. At present, several ASD screeners exist for young children, with the "Modified Checklist for Autism in Toddlers" ("M-CHAT") being one of the most widely researched. While the "M-CHAT" has good sensitivity…
Descriptors: Pervasive Developmental Disorders, Disability Identification, At Risk Persons, Autism
Matson, Michael L.; Matson, Johnny L.; Beighley, Jennifer S. – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
Autism and the related pervasive developmental disorders are a heavily researched group of neurodevelopmental conditions. In addition to core symptoms, there are a number of other physical and motor conditions that co-occur at high rates. This paper provides a review of factors and behaviors that correlate highly with disorders on the autism…
Descriptors: Obesity, Autism, Premature Infants, Physical Disabilities
Neal, Daniene; Matson, Johnny L.; Hattier, Megan A. – Journal of Mental Health Research in Intellectual Disabilities, 2014
The Autism Spectrum Disorder Observation for Children (ASD-OC) is a 45-item observation scale used to assess autistic symptomatology. The reliability of this measure has been established in previous research; therefore, the purpose of this study is to evaluate its validity among a sample of children (1-15 years). The large correlation between the…
Descriptors: Test Validity, Observation, Children, Pervasive Developmental Disorders
Kozlowski, Alison M.; Matson, Johnny L.; Worley, Julie A. – Research in Autism Spectrum Disorders, 2012
Debate regarding the etiology of Autism Spectrum Disorders (ASD) is on the rise with numerous theories being put forth. Currently, the theory with the most empirical support is the interaction of multiple genes. Many studies have provided evidence that as the incidence of ASD increases so do genetic similarities. However, very little research has…
Descriptors: Autism, Toddlers, Disability Identification, Infants
Garcia-Villamisar, Domingo; Dattilo, John; Matson, Johnny L. – Research in Autism Spectrum Disorders, 2013
A multiple mediation model was proposed to integrate core concepts of challenging behaviors with autistic traits to increase understanding of their relationship to quality of life (QoL). It was hypothesized that QoL is a possible mediator between the severity of challenging behaviors and autistic traits in adults with intellectual disability.…
Descriptors: Individual Development, Quality of Life, Questionnaires, Autism
Chung, Kyong-Mee; Jung, Woohyun; Yang, Jae-won; Ben-Itzchak, Esther; Zachor, Ditza A.; Furniss, Frederick; Heyes, Katie; Matson, Johnny L.; Kozlowski, Alison M.; Barker, Alyse A. – Research in Autism Spectrum Disorders, 2012
Challenging behaviors are deemed extremely common within the autism spectrum disorders (ASD) population. Numerous factors and their effects upon the presence and severity of challenging behaviors within this population have been investigated. However, there has been limited research to investigate the effects of cultural differences on challenging…
Descriptors: Behavior Problems, Autism, Cultural Differences, Foreign Countries
Worley, Julie A.; Matson, Johnny L. – Research in Autism Spectrum Disorders, 2012
The American Psychiatric Association has proposed major revisions for the diagnostic category encompassing Autism Spectrum Disorders (ASD), which will reportedly increase the specificity and maintain the sensitivity of diagnoses. As a result, the aim of the current study was to compare symptoms of ASD in children and adolescents (N = 208) who met…
Descriptors: Control Groups, Nonverbal Communication, Autism, Criteria
Kozlowski, Alison M.; Matson, Johnny L.; Worley, Julie A.; Sipes, Megan; Horovitz, Max – Research in Autism Spectrum Disorders, 2012
Early diagnosis of Autism Spectrum Disorders (ASDs) is crucial so that early intervention services, which have been found to best alleviate symptoms of ASD in children, can be implemented. Currently, the "Modified Checklist for Autism in Toddlers" ("M-CHAT") and the "Baby and Infant Screen for Children with aUtIsm…
Descriptors: Check Lists, Early Intervention, Autism, Predictive Validity
Horovitz, Max; Matson, Johnny L.; Barker, Alyse – Research in Autism Spectrum Disorders, 2012
Little research has been conducted to date on the relationship between psychotropic medication use and autism spectrum disorders (ASDs). Participants in the current study were placed into one of four groups: ASD on psychotropic medications (N = 33), ASD off psychotropic medications (N = 45), atypically developing on psychotropic medications (N =…
Descriptors: Autism, Toddlers, Infants, Severity (of Disability)
