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Direct linkRice, Mabel L. – Journal of Speech, Language, and Hearing Research, 2020
Purpose: This review article summarizes a program of longitudinal investigation of twins' language acquisition with a focus on causal pathways for specific language impairment (SLI) and nonspecific language impairment in children at 4 and 6 years with known history at 2 years. Method: The context of the overview is established by legacy scientific…
Descriptors: Twins, Genetics, Language Impairments, Age Differences
Koenig, Ashley; Arunachalam, Sudha; Saudino, Kimberly J. – Journal of Cognition and Development, 2020
Children's lexical processing speed at 18 to 25 months of age has been linked to concurrent and later language abilities. In the current study, we extend this finding to children aged 36 months. Children (N = 126) participated in a lexical processing task in which they viewed two static images on noun trials (e.g., an ear of corn and a hat), or…
Descriptors: Language Processing, Nouns, Verbs, School Readiness
Matte-Landry, Alexandra; Boivin, Michel; Tanguay-Garneau, Laurence; Mimeau, Catherine; Brendgen, Mara; Vitaro, Frank; Tremblay, Richard E.; Dionne, Ginette – Journal of Speech, Language, and Hearing Research, 2020
Purpose: The objective of this study was to compare children with persistent versus transient preschool language delay on language, academic, and psychosocial outcomes in elementary school. Method: Children with persistent language delay (n = 30), transient language delay (n = 29), and no language delay (controls; n = 163) were identified from a…
Descriptors: Language Impairments, Preschool Children, Developmental Delays, Academic Ability
Hayiou-Thomas, Marianna E.; Dale, Philip S.; Plomin, Robert – Journal of Speech, Language, and Hearing Research, 2014
Purpose: The authors of this article examined the etiology of developmental language impairment (LI) at 4 and 12 years of age, as well as the relationship between the 2. Method: Phenotypic and quantitative genetic analyses using longitudinal data from the Twins Early Development Study (Oliver & Plomin, 2007) were conducted. A total of 2,923…
Descriptors: Language Impairments, Prediction, Etiology, Twins
Dworzynski, Katharina; Ronald, Angelica; Hayiou-Thomas, Marianna E.; McEwan, Fiona; Happe, Francesca; Bolton, Patrick; Plomin, Robert – Infant and Child Development, 2008
Autism spectrum disorders (ASDs) are diagnosed when individuals show impairments in three behavioural domains: communication, social interactions, and repetitive, restrictive behaviours and interests (RRBIs). Recent data suggest that these three sets of behaviours are genetically heterogeneous. Early language delay is strongly associated with ASD,…
Descriptors: Twins, Delayed Speech, Autism, Asperger Syndrome
Dworzynski, Katharina; Ronald, Angelica; Hayiou-Thomas, Marianna; Rijsdijk, Fruhling; Happe, Francesca; Bolton, Patrick F.; Plomin, Robert – International Journal of Language & Communication Disorders, 2007
Background: Impairments in language and communication are core features of autism spectrum disorders (ASDs). The basis for this association is poorly understood. How early language is related to each of the triad of impairments characteristic of ASDs is also in need of clarification. Aims: This is the first study that aims to determine the extent…
Descriptors: Language Aptitude, Genetics, Children, Asperger Syndrome
Peer reviewedDale, Philip S.; Ginette, Dionne; Eley, Thalia C.; Plomin, Robert – Journal of Child Language, 2000
Assessed the language development of 2,898 pairs of 2-year-old twins born in England and Wales using the MacArthur Communicative language Development Inventory, which assesses vocabulary and grammar. Moderate heritabilities were found for both. (Author/VWL)
Descriptors: Foreign Countries, Genetics, Grammar, Language Acquisition
