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Increasing Access to Early Diagnosis and Assessment of Autism via Biomarker-Based Measurements of Social Visual Engagement
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Ami Klin – American Journal on Intellectual and Developmental Disabilities, 2025
Only one in every five children with autism is diagnosed before the age of 3 years. As a result, tens of thousands of children every year in the United States miss benefiting from early interventions and supports that could potentially optimize their lifetime outcomes. A major obstacle is the extremely limited access to high quality diagnosis. To…
Descriptors: Autism Spectrum Disorders, Clinical Diagnosis, Measurement Techniques, Eye Movements
Developmental Trajectories of Adaptive Behavior from Toddlerhood to Middle Childhood in Autism Spectrum Disorder
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Tomaszewski, Brianne; Hepburn, Susan; Blakeley-Smith, Audrey; Rogers, Sally J. – American Journal on Intellectual and Developmental Disabilities, 2020
Longitudinal growth modeling was utilized to examine adaptive behavior over eight years across the three time points (i.e., ages 2-10). Seventy-six parents completed the Vineland Adaptive Behavior Scales interviews of adaptive behavior. Child participants completed standardized developmental testing and an executive function task in toddlerhood…
Descriptors: Adjustment (to Environment), Autism, Pervasive Developmental Disorders, Behavior Problems
A Psychometric Evaluation of the Motor-Behavioral Assessment Scale for Use as an Outcome Measure in Rett Syndrome Clinical Trials
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Raspa, Melissa; Bann, Carla M.; Gwaltney, Angela; Benke, Timothy A.; Fu, Cary; Glaze, Daniel G.; Haas, Richard; Heydemann, Peter; Jones, Mary; Kaufmann, Walter E.; Lieberman, David; Marsh, Eric; Peters, Sarika; Ryther, Robin; Standridge, Shannon; Skinner, Steven A.; Percy, Alan K.; Neul, Jeffrey L. – American Journal on Intellectual and Developmental Disabilities, 2020
Rett syndrome (RTT) is a neurodevelopmental disorder that primarily affects females. Recent work indicates the potential for disease modifying therapies. However, there remains a need to develop outcome measures for use in clinical trials. Using data from a natural history study (n = 1,075), we examined the factor structure, internal consistency,…
Descriptors: Genetic Disorders, Psychometrics, Psychomotor Skills, Physical Disabilities
Social Behavior and Characteristics of Autism Spectrum Disorder in Angelman, Cornelia de Lange, and Cri du Chat Syndromes
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Moss, Joanna; Howlin, Patricia; Hastings, Richard Patrick; Beaumont, Sarah; Griffith, Gemma M.; Petty, Jane; Tunnicliffe, Penny; Yates, Rachel; Villa, Darrelle; Oliver, Chris – American Journal on Intellectual and Developmental Disabilities, 2013
We evaluated autism spectrum disorder (ASD) characteristics and social behavior in Angelman (AS; "n" ?=? 19; mean age ?=?10.35 years), Cornelia de Lange (CdLS; "n" ?=? 15; mean age ?=?12.40 years), and Cri du Chat (CdCS, also known as 5 p-syndrome; "n" ?=? 19; mean age ?=? 8.80 years) syndromes. The proportion of…
Descriptors: Autism, Pervasive Developmental Disorders, Genetic Disorders, Social Behavior
Social Intervention for Adolescents with Autism and Significant Intellectual Disability: Initial Efficacyof Reciprocal Imitation Training
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Ingersoll, Brooke; Walton, Katherine; Carlsen, Danielle; Hamlin, Theresa – American Journal on Intellectual and Developmental Disabilities, 2013
Individuals with autism have difficulty with social skills across the lifespan. Few social interventions have been examined for older individuals with autism who also have significant intellectual disabilities (ID). Previous research suggests that reciprocal imitation training (RIT) improves imitation and social engagement in young children with…
Descriptors: Intervention, Autism, Pervasive Developmental Disorders, Mental Retardation
Discrepancies in Parent and Teacher Ratings of Social-Behavioral Functioning of Children with Chromosome 22q11.2 Deletion Syndrome: Implications for Assessment
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Shashi, Vandana; Wray, Emily; Schoch, Kelly; Curtiss, Kathleen; Hooper, Stephen R. – American Journal on Intellectual and Developmental Disabilities, 2013
Children with 22q11.2 deletion syndrome exhibit high rates of social-behavioral problems, particularly in the internalizing domain, indicating an area in need of intervention. The current investigation was designed to obtain information regarding parent and teacher ratings of the social-emotional behavior of children with 22q11DS. Using the Child…
Descriptors: Genetic Disorders, Behavior Problems, Intervention, Social Behavior
Social Problem-Solving and Mild Intellectual Disabilities: Relations with Externalizing Behavior and Therapeutic Context
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van Nieuwenhuijzen, Maroesjka; de Castro, Bram Orobio; Wijnroks, Lex; Vermeer, Adri; Matthys, Walter – American Journal on Intellectual and Developmental Disabilities, 2009
Relations among externalizing behavior, therapeutic context (community care vs. residential care), and social problem-solving by children with mild intellectual disabilities or borderline intelligence were examined. Participants were 186 children (12 to 14 years of age) who responded to a video-based social problem-solving task. Of these, 130…
Descriptors: Residential Care, Social Behavior, Behavior Problems, Mild Mental Retardation