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Laura 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
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Wiggins, Lisa D.; Reynolds, Ann; Rice, Catherine E.; Moody, Eric J.; Bernal, Pilar; Blaskey, Lisa; Rosenberg, Steven A.; Lee, Li-Ching; Levy, Susan E. – Journal of Autism and Developmental Disorders, 2015
The Study to Explore Early Development (SEED) is a multi-site case-control study designed to explore the relationship between autism spectrum disorder (ASD) phenotypes and etiologies. The goals of this paper are to (1) describe the SEED algorithm that uses the Autism Diagnostic Interview-Revised (ADI-R) and Autism Diagnostic Observation Schedule…
Descriptors: Autism, Pervasive Developmental Disorders, Case Studies, Correlation
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Ward, Samantha L.; Sullivan, Karen A.; Gilmore, Linda – Educational and Developmental Psychologist, 2016
Objective: Limited time and resources necessitate the availability of accurate, inexpensive and rapid diagnostic aids for Autism Spectrum Disorder (ASD). The Autistic Behavioural Indicators Instrument (ABII) was developed for this purpose, but its psychometric properties have not yet been fully established. Method: The clinician-rated ABII, the…
Descriptors: Autism, Pervasive Developmental Disorders, Psychometrics, Diagnostic Tests
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Thurm, Audrey; Manwaring, Stacy S.; Swineford, Lauren; Farmer, Cristan – Journal of Child Psychology and Psychiatry, 2015
Background: A significant minority of children with autism spectrum disorder (ASD) are considered "minimally verbal" due to language development stagnating at a few words. Recent developments allow for the severity of ASD symptoms to be examined using Autism Diagnostic Observation Schedule (ADOS) Social Affect (SA) and Restricted and…
Descriptors: Symptoms (Individual Disorders), Severity (of Disability), Verbal Ability, Autism
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Constable, Paul A.; Ring, Melanie; Gaigg, Sebastian B.; Bowler, Dermot M. – Autism: The International Journal of Research and Practice, 2018
The Vygotsky Blocks Test assesses problem-solving styles within a theoretical framework for the development of higher mental processes devised by Vygotsky. Because both the theory and the associated test situate cognitive development within the child's social and linguistic context, they address conceptual issues around the developmental relation…
Descriptors: Problem Solving, Cognitive Ability, Autism, Pervasive Developmental Disorders
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Anderson, Jeffrey S.; Nielsen, Jared A.; Froehlich, Alyson L.; DuBray, Molly B.; Druzgal, T. Jason; Cariello, Annahir N.; Cooperrider, Jason R.; Zielinski, Brandon A.; Ravichandran, Caitlin; Fletcher, P. Thomas; Alexander, Andrew L.; Bigler, Erin D.; Lange, Nicholas; Lainhart, Janet E. – Brain, 2011
Group differences in resting state functional magnetic resonance imaging connectivity between individuals with autism and typically developing controls have been widely replicated for a small number of discrete brain regions, yet the whole-brain distribution of connectivity abnormalities in autism is not well characterized. It is also unclear…
Descriptors: Siblings, Autism, Intelligence Quotient, Young Adults
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Wan, Ming Wai; Green, Jonathan; Elsabbagh, Mayada; Johnson, Mark; Charman, Tony; Plummer, Faye – Journal of Child Psychology and Psychiatry, 2013
Background: Recent models of the early emergence of autism spectrum disorder (ASD) propose that infant intrinsic risk susceptibilities in behaviour may be amplified by interaction within the early social environment into an increasingly atypical developmental trajectory. This study examines whether 6- and 12-month parent-infant interactions in…
Descriptors: Correlation, Infants, Autism, Pervasive Developmental Disorders