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Hila Gendler-Shalev; Rama Novogrodsky – First Language, 2024
Toddlers with smaller vocabulary than expected for their age are considered late talkers (LT). This study explored the effects of characteristics of words on vocabulary acquisition of 12- to 24-month-old LT children compared with an age matched (AM) and a vocabulary matched (VM) group of typically developing peers. Using the…
Descriptors: Vocabulary Development, Phonology, Hebrew, Language Skills
Perry, Lynn K.; Kucker, Sarah C.; Horst, Jessica S.; Samuelson, Larissa K. – Developmental Science, 2023
Children with delays in expressive language (late talkers) have heterogeneous developmental trajectories. Some are late bloomers who eventually "catch-up," but others have persisting delays or are later diagnosed with developmental language disorder (DLD). Early in development it is unclear which children will belong to which group. We…
Descriptors: Language Impairments, Delayed Speech, Language Acquisition, Comparative Analysis
Jiménez, Eva; Hills, Thomas T. – Child Development, 2022
This study investigates the influence of semantic maturation on early lexical development by examining the impact of contextual diversity--known to influence semantic development--on word promotion from receptive to productive vocabularies (i.e., comprehension-expression gap). Study 1 compares the vocabularies of 3685 American-English-speaking…
Descriptors: Semantics, Language Acquisition, Child Development, Delayed Speech
Hsin-Hui Lu; Wei-Chun Che; Yung-Hao Yang; Feng-Ming Tsao – International Journal of Language & Communication Disorders, 2024
Background and Aims: This longitudinal study investigated the language skills, phonological working memory and lexical-tone perception of Mandarin-speaking late-talkers (LTs) and those with typical language development (TLD) at 27 months, while also examining their connections with novel word-referent mapping (W-R mapping) through eye-tracking at…
Descriptors: Phonemes, Mandarin Chinese, Delayed Speech, Language Skills
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
Horvath, Sabrina; Kueser, Justin B.; Kelly, Jaelyn; Borovsky, Arielle – Language Learning and Development, 2022
While semantic and syntactic properties of verb meaning can impact the success of verb learning at a single age, developmental changes in how these factors influence acquisition are largely unexplored. We ask whether the impact of syntactic and semantic properties on verb vocabulary development varies with age and language ability for toddlers…
Descriptors: Syntax, Semantics, Toddlers, Verbs
Horvath, Sabrina; Arunachalam, Sudha – Journal of Speech, Language, and Hearing Research, 2021
Purpose: This study examined whether 2-year-olds are better able to acquire novel verb meanings when they appear in varying linguistic contexts, including both content nouns and pronouns, as compared to when the contexts are consistent, including only content nouns. Additionally, differences between typically developing toddlers and late talkers…
Descriptors: Verbs, Learning Processes, Eye Movements, Nouns
Su, Yi; Naigles, Letitia R. – Reading and Writing: An Interdisciplinary Journal, 2023
Vulnerability of morphosyntactic production, including grammatical aspect, has been identified in at least some children with autism spectrum disorder (ASD) exposed to typologically different languages. However, Tovar et al. (2015) found strengths in comprehending grammatical aspect in English-exposed children with ASD, suggesting that the…
Descriptors: Grammar, Language Processing, Mandarin Chinese, Autism Spectrum Disorders
Singleton, Nina Capone; Anderson, Laura – Journal of Speech, Language, and Hearing Research, 2020
Purpose: Toddlers with late language emergence have difficulty acquiring an object vocabulary that is well defined by shape early in development. Without object words, subsequent language growth is delayed. The current study tested an intervention scaffold that highlights object shape during word teaching so that toddlers with late language…
Descriptors: Toddlers, Learning Experience, Semantics, Phonemes
Jones, Samuel David; Brandt, Silke – Journal of Speech, Language, and Hearing Research, 2019
Purpose: This study reexamines the claim that difficulty forming memories of words comprising uncommon sound sequences (i.e., low phonological neighborhood density words) is a determinant of delayed expressive vocabulary development (e.g., Stokes, 2014). Method: We modeled communicative development inventory data from (N = 442) 18-month-old…
Descriptors: Delayed Speech, Expressive Language, Correlation, Vocabulary Development
Walker, Elizabeth A.; Redfern, Alexandra; Oleson, Jacob J. – Journal of Speech, Language, and Hearing Research, 2019
Purpose: Children who are hard of hearing (CHH) tend to have reduced vocabularies compared to children with normal hearing (CNH). Prior research on vocabulary skills in children with hearing loss has focused primarily on their breadth of knowledge (how many words are known). Depth of vocabulary knowledge (how well words are known) is not well…
Descriptors: Hearing Impairments, Longitudinal Studies, Vocabulary Development, Standardized Tests
Horvath, Sabrina; Rescorla, Leslie; Arunachalam, Sudha – Journal of Child Language, 2019
Children with language disorders have particular difficulty with verbs, but when this difficulty emerges is unknown. We examined syntactic (transitive, intransitive, ditransitive) and semantic (manner, result) features of two-year-olds' verb vocabularies, contrasting late talkers and typically developing children to look for early differences in…
Descriptors: Syntax, Semantics, Toddlers, Verbs
Zampini, Laura; Burla, Tiziana; Silibello, Gaia; Capelli, Elena; Dall'Ara, Francesca; Rigamonti, Claudia; Ajmone, Paola Francesca; Monti, Federico; Zanchi, Paola; Lalatta, Faustina; Costantino, Maria Antonella; Vizziello, Paola Giovanna – First Language, 2021
Individuals with sex chromosome trisomies (SCTs) have an increased risk of language delays and impairments. However, there are only a few data relative to their language development in early childhood. The present study aimed to investigate the preverbal skills shown by a group of 8-month-old children with SCTs to assess the presence of a possible…
Descriptors: At Risk Persons, Language Acquisition, Infants, Genetic Disorders
Asadi, Mozhgan; Zarifian, Talieh; Kazemi, Mehdi Dastjerdi; Ghaedamini Harouni, Gholamreza – Early Child Development and Care, 2021
This mixed two-way experimental, cross-sectional study investigated fast-mapping (FM) of novel nouns and verbs in 63 Persian-speaking toddlers aged 30 months, including 31 late-talking (LT) and 32 typically developing (TD) matched with respect to age and maternal education. Toddlers were classified as LT if they had limited expressive vocabulary…
Descriptors: Toddlers, Indo European Languages, Cognitive Mapping, Nouns
Kruythoff-Broekman, Astrid; Wiefferink, Carin; Rieffe, Carolien; Uilenburg, Noëlle – International Journal of Language & Communication Disorders, 2019
Background: Late language emergence is a risk indicator for developmental language disorder. Parent-implemented early language intervention programmes (parent programmes) have been shown to have positive effects on children's receptive and expressive language skills. However, long-term effectiveness has rarely been studied. Additionally, little is…
Descriptors: Child Language, Longitudinal Studies, Parent Education, Parent Child Relationship
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