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Direct linkKushner, Elizabeth H.; Britsch, Emily Roemer; Iverson, Jana M. – International Journal of Language & Communication Disorders, 2023
Background: Early in development, caregivers' object labelling contributes to children's word learning. Language development is a bi-directional process, and differences in joint engagement (JE) and language among children with developmental disabilities such as autism spectrum disorder (ASD) may provide caregivers varying contexts and…
Descriptors: Caregivers, Toddlers, Autism Spectrum Disorders, At Risk Persons
Leezenbaum, Nina B.; Iverson, Jana M. – Journal of Autism and Developmental Disorders, 2019
This study investigated early posture development prospectively in infants at heightened (HR) vs. low risk (Low Risk; LR) for ASD. Fourteen HR infants diagnosed with ASD (HR-ASD), 17 HR infants with language delay (HR-LD), 29 HR infants with no diagnosis (HR-ND), and 25 LR infants were videotaped at home for 25 min during everyday activities and…
Descriptors: Human Posture, Infants, At Risk Persons, Autism
Jakubowski, Karen P.; Iverson, Jana M. – Language Learning and Development, 2019
Attentional difficulties are evident in children with autism spectrum disorder (ASD). Accordingly, mothers of children with ASD may modify communication to direct their child's attention, and this pattern may generalize to later-born children. This study examined patterns of child-directed communication in 11 mothers of 18-month-old toddlers at…
Descriptors: Attention, Autism, Pervasive Developmental Disorders, Mothers
Roemer, Emily J.; West, Kelsey L.; Northrup, Jessie B.; Iverson, Jana M. – Developmental Science, 2019
Children's gesture production precedes and predicts language development, but the pathways linking these domains are unclear. It is possible that gesture production assists in children's developing word comprehension, which in turn supports expressive vocabulary acquisition. The present study examines this mediation pathway in a population with…
Descriptors: Nonverbal Communication, Language Acquisition, Language Processing, Infants
Heymann, Perrine; Northrup, Jessie B.; West, Kelsey L.; Parladé, Meaghan V.; Leezenbaum, Nina B.; Iverson, Jana M. – International Journal of Language & Communication Disorders, 2018
Background: Research indicates that social communicative behaviours develop atypically during the second year in Autism Spectrum Disorder (ASD). This study evaluated whether these behaviours also differed in the extent to which they were coordinated across modalities. Aims: To measure joint attention behaviours (e.g., gaze shifts, gestures),…
Descriptors: Infants, Siblings, Children, Autism
Iverson, Jana M.; Northrup, Jessie B.; Leezenbaum, Nina B.; Parladé, Meaghan V.; Koterba, Erin A.; West, Kelsey L. – Journal of Autism and Developmental Disorders, 2018
This study examined longitudinal growth in gestures and words in infants at heightened (HR) versus low risk (LR) for ASD. The MacArthur-Bates Communicative Development Inventory was administered monthly from 8 to 14 months and at 18 and 24 months to caregivers of 14 HR infants diagnosed with ASD (HR-ASD), 27 HR infants with language delay (HR-LD),…
Descriptors: Nonverbal Communication, Vocabulary Development, Infants, Siblings
West, Kelsey L.; Roemer, Emily J.; Northrup, Jessie B.; Iverson, Jana M. – Journal of Speech, Language, and Hearing Research, 2020
Purpose: Infants with autism spectrum disorder (ASD) produce fewer play actions and gestures than neurotypical infants (e.g., Mastrogiuseppe et al., 2015; Veness et al., 2012; Zwaigenbaum et al., 2005). The purpose of this study was to investigate whether different "types" of actions and gestures are more or less likely to develop…
Descriptors: Infants, Siblings, Autism, Pervasive Developmental Disorders
Sparaci, Laura; Northrup, Jessie B.; Capirci, Olga; Iverson, Jana M. – Journal of Autism and Developmental Disorders, 2018
Forty-one high-risk infants (HR) with an older sibling with autism spectrum disorder (ASD) were observed longitudinally at 10, 12, 18 and 24 months of age during a tool use task in a play-like scenario. Changes in grasp types and functional actions produced with a spoon were assessed during elicited tool use. Outcome and vocabulary measures were…
Descriptors: Infants, At Risk Persons, Autism, Longitudinal Studies
Koterba, Erin A.; Leezenbaum, Nina B.; Iverson, Jana M. – Autism: The International Journal of Research and Practice, 2014
During the first year of life, infants spend substantial amounts of time exploring objects they encounter in their daily environments. Perceptuo-motor information gained through these experiences provides a foundation for later developmental advances in cognition and language. This study aims to examine developmental trajectories of visual, oral,…
Descriptors: Infants, Autism, At Risk Persons, Pervasive Developmental Disorders
Parladé, Meaghan V.; Iverson, Jana M. – Journal of Autism and Developmental Disorders, 2015
This study evaluated the extent to which developmental change in coordination of social communication in early infancy differentiates children eventually diagnosed with ASD from those not likely to develop the disorder. A prospective longitudinal design was used to compare nine infants at heightened risk for ASD (HR) later diagnosed with ASD, to…
Descriptors: Infants, At Risk Persons, Social Development, Language Acquisition
LeBarton, Eve Sauer; Iverson, Jana M. – Developmental Science, 2013
We investigated whether fine motor and expressive language skills are related in the later-born siblings of children with autism (heightened-risk, HR infants) who are at increased risk for language delays. We observed 34 HR infants longitudinally from 12 to 36 months. We used parent report and standardized observation measures to assess fine motor…
Descriptors: Psychomotor Skills, Expressive Language, Autism, Siblings
Beyond Autism: A Baby Siblings Research Consortium Study of High-Risk Children at Three Years of Age
Messinger, Daniel; Young, Gregory S.; Ozonoff, Sally; Dobkins, Karen; Carter, Alice; Zwaigenbaum, Lonnie; Landa, Rebecca J.; Charman, Tony; Stone, Wendy L.; Constantino, John N.; Hutman, Ted; Carver, Leslie J.; Bryson, Susan; Iverson, Jana M.; Strauss, Mark S.; Rogers, Sally J.; Sigman, Marian – Journal of the American Academy of Child & Adolescent Psychiatry, 2013
Objective: First-degree relatives of persons with an autism spectrum disorder (ASD) are at increased risk for ASD-related characteristics. As little is known about the early expression of these characteristics, this study characterizes the non-ASD outcomes of 3-year-old high-risk (HR) siblings of children with ASD. Method: Two groups of children…
Descriptors: Outcome Measures, Autism, Early Intervention, Siblings
Winder, Breanna M.; Wozniak, Robert H.; Parladé, Meaghan V.; Iverson, Jana M. – Developmental Psychology, 2013
Communication spontaneously initiated by infants at heightened risk (HR; n = 15) for autism spectrum disorders (ASD) is compared with that in low-risk (LR; n = 15) infants at 13 and 18 months of age. Infants were observed longitudinally during naturalistic in-home interaction and semistructured play with caregivers. At both ages, HR infants…
Descriptors: Communication Skills, Infants, At Risk Persons, Autism
Iverson, Jana M.; Wozniak, Robert H. – Journal of Autism and Developmental Disorders, 2007
In this study we examined early motor, vocal, and communicative development in a group of younger siblings of children diagnosed with autism (Infant Siblings). Infant Siblings and no-risk comparison later-born infants were videotaped at home with a primary caregiver each month from 5 to 14 months, with follow-up at 18 months. As a group, Infant…
Descriptors: Siblings, Language Acquisition, Autism, Infants
