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Mathée-Scott, Janine; Larson, Caroline; Venker, Courtney; Pomper, Ron; Edwards, Jan; Saffran, Jenny; Ellis Weismer, Susan – Journal of Autism and Developmental Disorders, 2022
To efficiently learn new words, children use constraints such as mutual exclusivity (ME) to narrow the search for potential referents. The current study investigated the use of ME in toddlers with autism spectrum disorder (ASD) and neurotypical (NT) peers matched on nonverbal cognition. Thirty-two toddlers with ASD and 26 NT toddlers participated…
Descriptors: Language Aptitude, Vocabulary Development, Toddlers, Autism Spectrum 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
Ellis Weismer, Susan; Haebig, Eileen; Edwards, Jan; Saffran, Jenny; Venker, Courtney E. – Journal of Autism and Developmental Disorders, 2016
This study investigated whether vocabulary delays in toddlers with autism spectrum disorders (ASD) can be explained by a cognitive style that prioritizes processing of detailed, local features of input over global contextual integration--as claimed by the weak central coherence (WCC) theory. Thirty toddlers with ASD and 30 younger,…
Descriptors: Language Processing, Vocabulary Development, Toddlers, Pervasive Developmental Disorders
Latham, Susan O.; Stockman, Ida J. – Journal of Autism and Developmental Disorders, 2014
Thirty-four children, with autism spectrum disorders, ages 4-14 years, were matched and randomly assigned to one of two conditions for learning a novel juice-making task and producing two novel words about the event. Seventeen sighted children were manually guided to perform the task and tactually prompted during imitated productions of novel…
Descriptors: Autism, Pervasive Developmental Disorders, Task Analysis, Prompting
McDuffie, Andrea; Kover, Sara T.; Hagerman, Randi; Abbeduto, Leonard – Journal of Autism and Developmental Disorders, 2013
Fast-mapping paradigms have not been used previously to examine the process of word learning in boys with fragile X syndrome (FXS), who are likely to have intellectual impairment, language delays, and symptoms of autism. In this study, a fast-mapping task was used to investigate associative word learning in 4- to 10-year-old boys with FXS relative…
Descriptors: Autism, Genetic Disorders, Mental Retardation, Congenital Impairments