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Direct linkFombonne, Eric; Coppola, Leigh; Mastel, Sarah; O'Roak, Brian J. – Journal of Autism and Developmental Disorders, 2022
The SPARK cohort was established to facilitate recruitment in studies of large numbers of participants with autism spectrum disorder (ASD). Online registration requires participants to have received a lifetime professional diagnosis by health or school providers although diagnoses are not independently verified. This study was set to examine the…
Descriptors: Validity, Autism, Pervasive Developmental Disorders, Clinical Diagnosis
Fombonne, Eric; Zuckerman, Katharine E. – Journal of Autism and Developmental Disorders, 2022
Black children with autism are diagnosed at an older age. Whether or not late detection is paralleled by differing clinical presentation is not known. We evaluated symptom profiles of 245 Black and 488 sex- and age-matched White non-Hispanic participants (82.8% male; mean age: 4.2 years) referred for ASD diagnosis. Both groups showed similar…
Descriptors: Blacks, Whites, Young Children, Clinical Diagnosis
Sanders, Benjamin W.; Bedrick, Steven; Broder-Fingert, Sarabeth; Brown, Shannon A.; Dolata, Jill K.; Fombonne, Eric; Reeder, Julie A.; Rivas Vazquez, Luis Andres; Fuchu, Plyce; Morales, Yesenia; Zuckerman, Katharine E. – Autism: The International Journal of Research and Practice, 2023
Limited access to screening and evaluation for autism spectrum disorder in children is a major barrier to improving outcomes for marginalized families. To identify and evaluate available digital autism spectrum disorder screening resources, we simulated web and mobile app searches by a parent concerned about their child's likelihood of autism…
Descriptors: Screening Tests, Autism Spectrum Disorders, Computer Assisted Testing, Parent Attitudes
Yan, Weili; Siegert, Richard J.; Zhou, Hao; Zou, Xiaobing; Wu, Lijie; Luo, Xuerong; Li, Tingyu; Huang, Yi; Guan, Hongyan; Chen, Xiang; Mao, Meng; Xia, Kun; Zhang, Lan; Li, Erzhen; Li, Chunpei; Zhang, Xudong; Zhou, Yuanfeng; Shih, Andy; Fombonne, Eric; Zheng, Yi; Han, Jisheng; Sun, Zhongsheng; Jiang, Yong-hui; Wang, Yi – Autism: The International Journal of Research and Practice, 2021
The recent adaptation of a Chinese parent version of the Autism Spectrum Rating Scale showed the Modified Chinese Autism Spectrum Rating Scale to be reliable and valid for use in China. The aim of this study was to test the Modified Chinese Autism Spectrum Rating Scale for fit to the Rasch model. We analysed data from a previous study of the…
Descriptors: Psychometrics, Parent Attitudes, Autism, Pervasive Developmental Disorders
Flanagan, Helen E.; Smith, Isabel M.; Vaillancourt, Tracy; Duku, Eric; Szatmari, Peter; Bryson, Susan; Fombonne, Eric; Mirenda, Pat; Roberts, Wendy; Volden, Joanne; Waddell, Charlotte; Zwaigenbaum, Lonnie; Bennett, Teresa; Elsabbagh, Mayada; Georgiades, Stelios – Journal of Autism and Developmental Disorders, 2015
We examined the stability of cognitive and adaptive behaviour standard scores in children with autism spectrum disorder (ASD) between diagnosis and school entry approximately age 6. IQ increased 18 points in 2-year-olds, 12 points in 3-year-olds, and 9 points in 4-year-olds (N = 281). Adaptive behaviour scores increased 4 points across age groups…
Descriptors: Autism, Pervasive Developmental Disorders, Preschool Children, Mental Retardation
Miller, Judith S.; Bilder, Deborah; Farley, Megan; Coon, Hilary; Pinborough-Zimmerman, Judith; Jenson, William; Rice, Catherine E.; Fombonne, Eric; Pingree, Carmen B.; Ritvo, Edward; Ritvo, Riva-Ariella; McMahon, William M. – Journal of Autism and Developmental Disorders, 2013
The purpose of the present study was to re-examine diagnostic data from a state-wide autism prevalence study (n = 489) conducted in the 1980s to investigate the impact of broader diagnostic criteria on autism spectrum disorder (ASD) case status. Sixty-four (59%) of the 108 originally "Diagnosed Not Autistic" met the current ASD case definition.…
Descriptors: Autism, Mental Retardation, Intelligence Quotient, Classification
Zuckerman, Katharine E.; Hill, Alison P.; Guion, Kimberly; Voltolina, Lisa; Fombonne, Eric – Journal of Autism and Developmental Disorders, 2014
Autism Spectrum Disorders (ASDs) and childhood obesity (OBY) are rising public health concerns. This study aimed to evaluate the prevalence of overweight (OWT) and OBY in a sample of 376 Oregon children with ASD, and to assess correlates of OWT and OBY in this sample. We used descriptive statistics, bivariate, and focused multivariate analyses to…
Descriptors: Obesity, Correlation, Incidence, Children
Paula, Cristiane S.; Ribeiro, Sabrina H.; Fombonne, Eric; Mercadante, Marcos T. – Journal of Autism and Developmental Disorders, 2011
This pilot study presents preliminary results concerning the prevalence of Pervasive Developmental Disorder (PDD) in South America. It was a three-phase study conducted in a typical town in Southeast Brazil. Case definition was based in a combination of standardized instruments and clinical evaluations by experts. The prevalence of PDD was…
Descriptors: Incidence, Pervasive Developmental Disorders, Clinical Diagnosis, Foreign Countries
Georgiades, Stelios; Szatmari, Peter; Boyle, Michael; Hanna, Steven; Duku, Eric; Zwaigenbaum, Lonnie; Bryson, Susan; Fombonne, Eric; Volden, Joanne; Mirenda, Pat; Smith, Isabel; Roberts, Wendy; Vaillancourt, Tracy; Waddell, Charlotte; Bennett, Teresa; Thompson, Ann – Journal of Child Psychology and Psychiatry, 2013
Background: Autism spectrum disorder (ASD) is characterized by notable phenotypic heterogeneity, which is often viewed as an obstacle to the study of its etiology, diagnosis, treatment, and prognosis. On the basis of empirical evidence, instead of three binary categories, the upcoming edition of the DSM 5 will use two dimensions--social…
Descriptors: Pervasive Developmental Disorders, Autism, Student Characteristics, Social Development
Reisinger, Lisa M.; Cornish, Kim M.; Fombonne, Eric – Journal of Autism and Developmental Disorders, 2011
The present study examined diagnostic differentiation between school-aged children with autism spectrum disorders (ASD) and children with pragmatic language impairment (PLI). Standardized diagnostic instruments were used to investigate the relationship between severity of "autism triad" impairments and group membership. The Autism Diagnostic…
Descriptors: Autism, Language Impairments, Pragmatics, Clinical Diagnosis
Georgiades, Stelios; Szatmari, Peter; Duku, Eric; Zwaigenbaum, Lonnie; Bryson, Susan; Roberts, Wendy; Fombonne, Eric; Mirenda, Pat; Smith, Isabel; Vaillancourt, Tracy; Volden, Joanne; Waddell, Charlotte; Thompson, Ann – Journal of Autism and Developmental Disorders, 2011
This study examined the phenotypic overlap between core diagnostic features and emotional/behavioral problems in a sample of 335 preschool children with autism spectrum disorder (ASD). Results from principal component analysis (2 components; 49.70% variance explained) suggested substantial phenotypic overlap between core diagnostic features and…
Descriptors: Autism, Preschool Children, Pervasive Developmental Disorders, Behavior Problems
Peer reviewedFombonne, Eric – Autism: The International Journal of Research and Practice, 2002
A review of 32 epidemiological surveys of autism and pervasive developmental disorders found four surveys yielded estimates for childhood disintegrative disorder (CDD) ranging from 1.1 to 6.4 per 100,000. It is concluded that CDD is very rare and its prevalence is 60 times less than that of autistic disorder. (Contains references.) (Author/CR)
Descriptors: Autism, Children, Clinical Diagnosis, Disability Identification
Peer reviewedLord, Catherine; Pickles, Andrew; McLennan, John; Rutter, Michael; Bregman, Joel; Folstein, Susan; Fombonne, Eric; Leboyer, Marion; Minshew, Nancy – Journal of Autism and Developmental Disorders, 1997
A study of 319 individuals with autism (ages 3-43) and 113 other subjects found that a single set of criteria, as operationalized by individually structured questions in the Autism Diagnostic Interview and Autism Diagnostic Interview-Revised, was effective in differentiating autism from mental disabilities and language impairment. (Author/CR)
Descriptors: Adults, Autism, Children, Clinical Diagnosis
Peer reviewedFombonne, Eric – Journal of Autism and Developmental Disorders, 1992
Forty-three adolescents with autism and developmental impairments were assessed with the Autism Diagnostic Interview (ADI), DSM-III-R (Diagnostic and Statistical Manual III, Revised) criteria, and the clinician's diagnosis. DSM-III-R criteria for autism exhibited low specificity and agreed poorly with the other two definitions, whereas the ADI was…
Descriptors: Adolescents, Autism, Clinical Diagnosis, Definitions
Fombonne, Eric – Journal of Applied Research in Intellectual Disabilities, 2005
This article reviews epidemiological studies of autism and related disorders. Study designs and sample characteristics are summarized. Currently, conservative prevalence estimates are: 13/10000 for autistic disorder, 21/10000 for pervasive developmental disorders not otherwise specified, 2.6/10000 for Asperger disorder, and 2/100000 for childhood…
Descriptors: Incidence, Autism, Epidemiology, Literature Reviews
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