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Mental State Language Development in Children with Down Syndrome versus Typical Development
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Channell, Marie Moore; Sandstrom, Linnea E. – American Journal on Intellectual and Developmental Disabilities, 2022
This study compared mental state language (talk about emotions, thoughts, intentions, etc.) used by 6- to 11-year-old children with Down syndrome (DS) to a younger typically developing (TD) comparison group matched by nonverbal cognition. We aimed to determine (1) whether mental state language use is delayed in DS relative to developmental…
Descriptors: Psychological Patterns, Cognitive Processes, Children, Down Syndrome
Growth and Decline in Language and Phonological Memory over Two Years among Adolescents with Down Syndrome
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Conners, Frances A.; Tungate, Andrew S.; Abbeduto, Leonard; Merrill, Edward C.; Faught, Gayle G. – American Journal on Intellectual and Developmental Disabilities, 2018
Forty-two adolescents with Down syndrome (DS) ages 10 to 21 years completed a battery of language and phonological memory measures twice, 2 years apart. Individual differences were highly stable across two years. Receptive vocabulary scores improved, there was no change in receptive or expressive grammar scores, and nonword repetition scores…
Descriptors: Adolescents, Down Syndrome, Language Acquisition, Language Skill Attrition
Semi-Automatic Assessment of Vocalization Quality for Children With and Without Angelman Syndrome
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Lisa R. Hamrick; Amanda Seidl; Bridgette L. Kelleher – American Journal on Intellectual and Developmental Disabilities, 2023
Automated methods for processing of daylong audio recordings are efficient and may be an effective way of assessing developmental stage for typically developing children; however, their utility for children with developmental disabilities may be limited by constraints of algorithms and the scope of variables produced. Here, we present a novel…
Descriptors: Genetic Disorders, Developmental Disabilities, Child Development, Verbal Communication
Language Development in Infants and Toddlers with Fragile X Syndrome: Change over Time and the Role of Attention
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Kover, Sara T.; McCary, Lindsay M.; Ingram, Alexandra M.; Hatton, Deborah D.; Roberts, Jane E. – American Journal on Intellectual and Developmental Disabilities, 2015
Fragile X syndrome (FXS) is associated with significant language and communication delays, as well as problems with attention. This study investigated early language abilities in infants and toddlers with FXS (n = 13) and considered visual attention as a predictor of those skills. We found that language abilities increased over the study period of…
Descriptors: Genetic Disorders, Infants, Toddlers, Language Acquisition
Modeling the Relations among Sustained Attention, Short-Term Memory, and Language in Down Syndrome
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Faught, Gayle G.; Conners, Frances A. – American Journal on Intellectual and Developmental Disabilities, 2019
Sustained attention (SA) and short-term memory (STM) contribute to language function in Down syndrome (DS). We proposed models in which relations of SA to language in DS are mediated by STM. Thirty-seven youth with DS aged 10-22 years (M = 15.59) completed SA, STM, and language tasks. Cross-sectional mediation analyses were run with the…
Descriptors: Models, Correlation, Attention, Short Term Memory
Maternal Responsivity Predicts Language Development in Young Children with Fragile X Syndrome
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Warren, Steven F.; Brady, Nancy; Sterling, Audra; Fleming, Kandace; Marquis, Janet – American Journal on Intellectual and Developmental Disabilities, 2010
The relationship between early maternal responsivity and later child communication outcomes in young children with fragile X syndrome was investigated. Data were obtained from 55 mother-child dyads over a 36-month period. Performance data were obtained at each measurement point from video observations of four different contexts. These were coded…
Descriptors: Child Language, Young Children, Language Acquisition, Parent Child Relationship