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Direct linkMiranda Gómez Díaz; Laia Fibla; Rachel Ka-Ying Tsui; Krista Byers-Heinlein – Developmental Psychology, 2024
Sometime before their second birthday, many children have a period of rapid expressive vocabulary growth called the vocabulary spurt. Theories of the underlying mechanisms differ: Accumulator models emphasize the accumulation of experience with words over time to yield a spurtlike pattern, while cognitive models attribute the spurt to cognitive…
Descriptors: Infants, Toddlers, Vocabulary Development, Monolingualism
Artis, Jonet; Arunachalam, Sudha – Journal of Speech, Language, and Hearing Research, 2023
Purpose: The goal of this work was to examine the semantic and syntactic properties of the vocabularies of autistic and non-autistic infants and toddlers to see if children in these two groups know different kinds of words. We focused on both receptive and expressive vocabularies. For expressive vocabulary, we looked only at the "active"…
Descriptors: Autism Spectrum Disorders, Infants, Toddlers, Semantics
Nieto, Carmen; Campos, Ruth – Early Child Development and Care, 2022
The development of copying behaviours of a group of infants from 9 to 15 months of age is analysed. These behaviours are classified according to their type (mimetic or imitated) and function (instrumental, social or hybrid). The function of the behaviours is derived from observable indicators linked to dyadic interaction. Mimetic behaviours are…
Descriptors: Imitation, Infants, Infant Behavior, Psychomotor Skills
Jacob I. Feldman; Varsha Garla; Kacie Dunham; Jennifer E. Markfeld; Sarah M. Bowman; Alexandra J. Golden; Claire Daly; Sophia Kaiser; Nisha Mailapur; Sweeya Raj; Pooja Santapuram; Evan Suzman; Ashley E. Augustine; Aine Muhumuza; Carissa J. Cascio; Kathryn L. Williams; Anne V. Kirby; Bahar Keceli-Kaysili; Tiffany G. Woynaroski – Journal of Autism and Developmental Disorders, 2024
Early differences in sensory responsiveness may contribute to difficulties with communication among autistic children; however, this theory has not been longitudinally assessed in infants at increased familial versus general population-level likelihood for autism (Sibs-autism vs. Sibs-NA) using a comprehensive battery of sensory responsiveness and…
Descriptors: Infants, Autism Spectrum Disorders, Sensory Experience, Siblings
Markfeld, Jennifer E.; Feldman, Jacob I.; Bordman, Samantha L.; Daly, Claire; Santapuram, Pooja; Humphreys, Kathryn L.; Keçeli-Kaysili, Bahar; Woynaroski, Tiffany G. – Journal of Speech, Language, and Hearing Research, 2023
Purpose: Caregivers of autistic children present with high stress levels, which have been associated with poorer child outcomes in several domains, including language development. However, prior to this study, it was unknown whether elevated caregiver stress was associated with language development in infant siblings of autistic children…
Descriptors: Stress Variables, Autism Spectrum Disorders, Language Acquisition, Siblings
Jiménez, Eva; Hills, Thomas T. – Developmental Psychology, 2023
The present study investigates the relation between language environment and language delay in 63 British-English speaking children (19 typical talkers (TT), 22 late talkers (LT), and 22 late bloomers (LB) aged 13 to 18 months. Families audio recorded daily routines and marked the new words their child produced over a period of 6 months. To…
Descriptors: Semantics, Speech Communication, Vocabulary Development, Comparative Analysis
Edgar, Elizabeth V.; Todd, James Torrence; Bahrick, Lorraine E. – Developmental Psychology, 2022
Parent language input is a well-established predictor of child language development. Multisensory attention skills (MASks; intersensory matching, shifting and sustaining attention to audiovisual speech) are also known to be foundations for language development. However, due to a lack of appropriate measures, individual differences in these skills…
Descriptors: Language Acquisition, Infants, Child Development, Prediction
