Purpose: Late talkers (LTs) are a group of children who exhibit delays in language development without a known cause. Although a hallmark of LTs is a reduced expressive vocabulary, little is known about LTs' processing of semantic relations among words in their emerging vocabularies. This study uses an eye-tracking task to compare 2-year-old LTs'…

During the second year of life, children acquire words and expand their receptive and expressive vocabularies at a rapid pace. At this age, toddlers' phonological abilities are also developing rapidly. The current study investigated the effect of phonological complexity of words on the order in which they are acquired, receptively and…

Purpose: Measuring the growth of young children's vocabulary is important for researchers seeking to understand language learning as well as for clinicians aiming to identify early deficits. The MacArthur-Bates Communicative Development Inventories (CDIs) are parent report instruments that offer a reliable and valid method for measuring early…

This study examined implementation of a newly developed shared book reading intervention program, to boost infants' early skills and provide a solid foundation for continued language learning. A randomised control study was conducted to elevate the effects of Shared Book Reading Intervention with 20 parents (n = 10 experiment, n = 10 control) and…

This study examined the extent to which a discrepant comprehension-production profile (i.e., relatively more delayed comprehension than production) is characteristic of the early language phenotype in autism spectrum disorders (ASD) and tracked the developmental progression of the profile. Our findings indicated that a discrepant…

To what extent do toddlers have shared vocabularies? We examined CDI data collected from 14,607 infants and toddlers in five countries and measured the amount of variability between individual lexicons during development for both comprehension and production. Early lexicons are highly overlapping. However, beyond 100 words, toddlers share more…

Purpose: The authors examined longitudinal associations between 2 categories of parent verbal responsiveness and language comprehension and production 1 year later in 40 toddlers and preschoolers with a diagnosis of an autism spectrum disorder (ASD). Method: Parent-child play samples using a standard toy set were digitally captured and coded for…

A randomized control intervention study was conducted to evaluate the effects of the highly structured Heidelberg Parent-Based Language Intervention (HPLI). The outcomes of 43 children (n = 23 intervention, n = 20 control) who had been identified as late talkers during routine developmental check-ups carried out in pediatric practices at the age…

Purpose: The presence of an expressive vocabulary delay (EVD) in the context of otherwise harmonious development has been the main criterion used to define language delay in 2-year-olds. To better understand the communicative functioning of these children, other variables must be considered. In this study, the aim was to delineate and characterize…

Purpose: The communication development of children adopted from China and Eastern Europe was compared by region of origin at 6 and 12 months after adoption. Method: Twenty children, recruited before or immediately following their adoption, participated in the study. Measures were collected between 2 and 6 months after adoption (Time 1) and between…

This longitudinal assessment concentrated on the relation between the home literacy environment (HLE) and early language acquisition during infancy and toddlerhood. In study 1, after controlling for socio-economic status, a broadly defined HLE predicted language comprehension in 50 infants. In study 2, 27 children returned for further analyses.…

Offers resolutions to the paradox of infants' ability to abstract patterns over specific items and toddlers' lack of ability to generalize patterns over specific English words/constructions. Argues that contradictions are rooted in differing methodologies and stimuli content. Suggests that the patterns infants extract from linguistic input are not…

Presents evidence that the supposed paradox in which infants find abstract patterns in speech-like stimuli whereas even some preschoolers struggle to find abstract syntactic patterns within meaningful language is no paradox. Asserts that all research evidence shows that young children's syntactic constructions become abstract in a piecemeal…

Asserts that the posited paradox between infancy and toddlerhood language was not eliminated by Tomasello and Akhtar's appeal to infants' robust statistical learning abilities. Maintains that scrutiny of their studies supports the resolution that abstracting linguistic form is easy for infants and that toddlers find it difficult to integrate…

Fifty-eight toddlers with developmental delays participated in a 12-month longitudinal study of the relationship between prelinguistic representational ability and later expressive vocabulary. Results indicated that representational play was a significant predictor of later expressive vocabulary, but vocabulary comprehension was not. (Author/DB)