Language is vital for social interaction, leading some to suggest early linguistic ability paves the way for good adolescent mental health. The relation between age-5 vocabulary and adolescent internalizing symptoms was examined in two U.K. birth cohorts that are nationally representative in terms of sex, ethnicity, and socioeconomic status: the…

The unique relation of language use (i.e., output) to language growth was investigated for forty-seven 30-month-old Spanish-English bilingual children (27 girls, 20 boys) whose choices of which language to speak resulted in their levels of English output differing from their levels of English input. English expressive vocabularies and receptive…

Previous research has shown that children aged 4-5 years, but not 2-3 years, show adult-like interference from a partner when performing a joint task (Milward, Kita, & Apperly, 2014). This raises questions about the cognitive skills involved in the development of such "corepresentation (CR)" of a partner (Sebanz, Knoblich, &…

This longitudinal study modeled lexical development among children who spoke Vietnamese as a first language (L1) and English as a second language (L2). Participants (n = 33, initial mean age of 7.3 years) completed a total of eight tasks (four in each language) that measured vocabulary knowledge and lexical processing at four yearly time points.…

In a prospective study of developmental outcomes in relation to early-life otitis media, behavioral, cognitive, and language measures were administered to a large, diverse sample of children at 2, 3, 4, 6, and 9-11 years of age (N = 741). At 9-11 years of age, 9% of the children were categorized as having attention-deficit/hyperactivity disorder…

Assessed representational abilities in hearing and deaf 2-year-old children of hearing and deaf mothers. Found group differences in expressive and receptive language based on maternal report and on experimenter assessment, but no differences emerged in child solitary symbolic play or in child- or mother-initiated child collaborative symbolic play.…

Examined early home literacy experiences, receptive language and emergent literacy skills, and reading achievement. Found that children's book exposure related to vocabulary development and listening comprehension, and that these skills related directly to grade 3 reading. Parents' literacy teaching related to early literacy skills, which…

Examined morphosyntax in persons with Williams Syndrome (WS). Analyzed receptive language of English-speaking WS persons and grammatical gender assignment of French-speaking WS persons. Found within-domain dissociations in grammatical gender assignment across several sentence elements and difficulties in understanding embedded sentences, which…