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Assessment of Autism Symptoms from 6 to 18 Months of Age Using the Autism Observation Scale for Infants in a Prospective High-Risk Cohort
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Zwaigenbaum, Lonnie; Bryson, Susan E.; Brian, Jessica; Smith, Isabel M.; Sacrey, Lori; Armstrong, Vickie; Roberts, Wendy; Szatmari, Peter; Garon, Nancy; Vaillancourt, Tracy; Roncadin, Caroline – Child Development, 2021
The objectives were to characterize behavioral signs of autism spectrum disorder (ASD) in younger siblings of diagnosed children (high-risk; HR) and examine classification features of the Autism Observation Scale for Infants (AOSI). Participants (501 HR and 180 low-risk [LR]) were assessed between 6 and 18 months using the AOSI and at age 3 for…
Descriptors: Autism, Pervasive Developmental Disorders, Symptoms (Individual Disorders), Infant Behavior
The Performance of the First Year Inventory (FYI) Screening on a Sample of High-Risk 12-Month-Olds Diagnosed with Autism Spectrum Disorder (ASD) at 36 Months
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Lee, Helen Y.; Vigen, Cheryl; Zwaigenbaum, Lonnie; Bryson, Susan; Smith, Isabel; Brian, Jessica; Watson, Linda R.; Crais, Elizabeth R.; Turner-Brown, Lauren; Reznick, J. Steven; Baranek, Grace T. – Journal of Autism and Developmental Disorders, 2019
This study examined the performance of the First Year Inventory (FYI; version 2.0), a community-normed parent-reported screening instrument, in a high-risk (HR) sample of 12-month-olds with older siblings diagnosed with autism spectrum disorder (ASD). The FYI 2.0 was completed by parents of 86 HR infants and 35 low-risk control infants at age…
Descriptors: Toddlers, Screening Tests, At Risk Persons, Autism
Brief Report: Evaluation of the Short Quantitative Checklist for Autism in Toddlers (Q-CHAT-10) as a Brief Screen for Autism Spectrum Disorder in a High-Risk Sibling Cohort
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Raza, Sarah; Zwaigenbaum, Lonnie; Sacrey, Lori-Ann R.; Bryson, Susan; Brian, Jessica; Smith, Isabel M.; Reid, Kyle; Roberts, Wendy; Szatmari, Peter; Vaillancourt, Tracy; Roncadin, Caroline; Garon, Nancy – Journal of Autism and Developmental Disorders, 2019
This study examined the potential of the short form of the Quantitative Checklist for Autism in Toddlers (Q-CHAT-10) to identify autism spectrum disorder (ASD) in a high-risk sibling cohort. High-risk (HR; siblings of children diagnosed with ASD) and low-risk (LR; no family history of ASD) toddlers were assessed prospectively at 18 and 24 months…
Descriptors: Autism, Pervasive Developmental Disorders, Toddlers, At Risk Persons
Relationship between Early Social-Emotional Behavior and Autism Spectrum Disorder: A High-Risk Sibling Study
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Raza, Sarah; Sacrey, Lori-Ann R.; Zwaigenbaum, Lonnie; Bryson, Susan; Brian, Jessica; Smith, Isabel M.; Roberts, Wendy; Szatmari, Peter; Vaillancourt, Tracy; Roncadin, Caroline; Garon, Nancy – Journal of Autism and Developmental Disorders, 2020
Social-emotional behavior in autism spectrum disorder (ASD) was examined among high-risk (HR; siblings of children diagnosed with ASD) and low-risk (LR; no family history of ASD) toddlers. Caregivers completed the Infant-Toddler Social Emotional Assessment (ITSEA) at 18 months, and blind diagnostic assessment for ASD was conducted at 36 months.…
Descriptors: Autism, Pervasive Developmental Disorders, Genetics, Clinical Diagnosis
Stability and Change in Autism Spectrum Disorder Diagnosis from Age 3 to Middle Childhood in a High-Risk Sibling Cohort
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Brian, Jessica; Bryson, Susan E.; Smith, Isabel M.; Roberts, Wendy; Roncadin, Caroline; Szatmari, Peter; Zwaigenbaum, Lonnie – Autism: The International Journal of Research and Practice, 2016
Considerable evidence on autism spectrum disorder emergence comes from longitudinal high-risk samples (i.e. younger siblings of children with autism spectrum disorder). Diagnostic stability to age 3 is very good when diagnosed as early as 18-24 months, but sensitivity is weaker, and relatively little is known beyond toddlerhood. We examined…
Descriptors: Autism, Pervasive Developmental Disorders, Clinical Diagnosis, Toddlers
Feasibility of Training Early Childhood Educators in a Community Child Care Setting Using a Caregiver-Mediated Intervention for Toddlers with Autism Spectrum Disorder
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Brian, Jessica; Bernardi, Kate; Dowds, Erin; Easterbrook, Rachel; MacWilliam, Stacey; Bryson, Susan – Journal of Education and Training Studies, 2017
Parent-mediated intervention programs have demonstrated benefits for toddlers with autism spectrum disorder (ASD). Interest is emerging in other community-level models, such as those that can be integrated into child care settings. These programs have the potential to reach a wide range of high-risk toddlers who spend the majority of their day in…
Descriptors: Pervasive Developmental Disorders, Autism, Feasibility Studies, Early Childhood Education
The Autism Parent Screen for Infants: Predicting Risk of Autism Spectrum Disorder Based on Parent-Reported Behavior Observed at 6-24 Months of Age
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Sacrey, Lori-Ann R.; Bryson, Susan; Zwaigenbaum, Lonnie; Brian, Jessica; Smith, Isabel M.; Roberts, Wendy; Szatmari, Peter; Vaillancourt, Tracy; Roncadin, Caroline; Garon, Nancy – Autism: The International Journal of Research and Practice, 2018
This study examined whether a novel parent-report questionnaire, the Autism Parent Screen for Infants, could differentiate infants subsequently diagnosed with autism spectrum disorder from a high-risk cohort (siblings of children diagnosed with autism spectrum disorder (n = 66)) from high-risk and low-risk comparison infants (no family history of…
Descriptors: Autism, Infants, Pervasive Developmental Disorders, Parents
Designing Studies to Evaluate Parent-Mediated Interventions for Toddlers with Autism Spectrum Disorder
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Siller, Michael; Morgan, Lindee; Turner-Brown, Lauren; Baggett, Kathleen M.; Baranek, Grace T.; Brian, Jessica; Bryson, Susan E.; Carter, Alice S.; Crais, Elizabeth R.; Estes, Annette; Kasari, Connie; Landa, Rebecca J.; Lord, Catherine; Messinger, Daniel S.; Mundy, Peter; Odom, Samuel L.; Reznick, J. Steven; Roberts, Wendy; Rogers, Sally J.; Schertz, Hannah H.; Smith, Isabel M.; Stone, Wendy L.; Watson, Linda R.; Wetherby, Amy M.; Yoder, Paul J.; Zwaigenbaum, Lonnie – Journal of Early Intervention, 2013
Given recent advances in science, policy, and practice of early identification in autism spectrum disorder (ASD), questions about the effectiveness of early intervention have far-reaching service and policy implications. However, rigorous research evaluating the efficacy and effectiveness of intervention programs for toddlers with ASD faces a…
Descriptors: Toddlers, Intervention, Pervasive Developmental Disorders, Autism
Stereotyped Motor Behaviors Associated with Autism in High-Risk Infants: A Pilot Videotape Analysis of a Sibling Sample
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Loh, Alvin; Soman, Teesta; Brian, Jessica; Bryson, Susan E.; Roberts, Wendy; Szatmari, Peter; Smith, Isabel M.; Zwaigenbaum, Lonnie – Journal of Autism and Developmental Disorders, 2007
This study examined motor behaviors in a longitudinal cohort of infant siblings of children with autism. Stereotypic movements and postures occurring during standardized observational assessments at 12 and 18 months were coded from videotapes. Participants included eight infant siblings later diagnosed with autism spectrum disorder (ASD), a random…
Descriptors: Infants, Siblings, Autism, Antisocial Behavior