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Direct linkLaura del Hoyo Soriano; Audra Sterling; Jamie Edgin; Debra R. Hamilton; Elizabeth Berry-Kravis; Amanda Dimachkie Nunnally; Angela John Thurman; Leonard Abbeduto – Journal of Autism and Developmental Disorders, 2024
This study explores sex-differences in (a) rates and profiles of autism symptoms as well as in (b) the contribution of intellectual quotient (IQ) to autism symptom presentation in Down syndrome (DS). Participants were 40 males and 38 females with DS, aged 6 to 23 years. Autism symptoms were rated through the Autism Diagnostic Observation…
Descriptors: Correlation, Gender Differences, Autism Spectrum Disorders, Observation
Naigles, Letitia R.; Kelley, Elizabeth; Troyb, Eva; Fein, Deborah – Journal of Autism and Developmental Disorders, 2013
In two experiments, typically developing (TD) children, high-functioning children with autism (HFA) and children with a history of autism who have achieved optimal outcomes (OOs), matched on age (M = 13 years) and nonverbal IQ, were asked to extend properties of categories to new items (categorical induction). All groups demonstrated some…
Descriptors: Children, Autism, Classification, Verbal Ability
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
Wong, Virginia C. N.; Fung, Cecilia K. Y.; Wong, Polly T. Y. – Journal of Autism and Developmental Disorders, 2014
Data from 1,261 Chinese Autistic Spectrum Disorder (ASD) patients were evaluated and categorized into dysmorphic (10.79%) and non-dysmorphic groups (89.21%) upon physical examination by the presence of dysmorphic features. Abnormal MRI/CT result, IQ scores and epilepsy were significantly associated with the dysmorphic group of ASD children.…
Descriptors: Foreign Countries, Pervasive Developmental Disorders, Autism, Classification
McGonigle-Chalmers, Margaret; Alderson-Day, Ben – Journal of Autism and Developmental Disorders, 2010
Spontaneous classification was assessed using a free serial search task in 18 school-aged children at the high functioning end of the autistic spectrum and compared with results from age-matched typically developing controls. The task required participants to touch shapes in an exhaustive non-repetitive sequence. The positions of the items varied…
Descriptors: Autism, Asperger Syndrome, Classification, Pervasive Developmental Disorders
Peer reviewedSzatmari, Peter – Journal of Autism and Developmental Disorders, 1992
This paper reviews 20 studies that investigated the internal or external validity of various subtypes of autistic spectrum disorders. At least three groups could be distinguished from autism on clinical grounds: an Asperger syndrome subtype, and two atypical subtypes characterized by either low intelligence quotient or high intelligence quotient.…
Descriptors: Classification, Clinical Diagnosis, Handicap Identification, Intelligence Quotient
Beglinger, Leigh; Smith, Tristram – Journal of Autism and Developmental Disorders, 2005
Three subtypes of autism based on social style have been proposed by Wing: active-but-odd, passive, or aloof. Previous research has shown evidence of an association between IQ and Wing subtype in untreated children and adults. Because IQ changes can accompany behavioral treatment, but often only for a subset of children, social subtype may be…
Descriptors: Validity, Intelligence Quotient, Autism, Young Children
