Research on gesture development has mostly focused on home environments. Little is known about early communicative development in other relevant contexts, such as early-year-schools. These settings, rich in diverse educative situations, objects, and communicative partners, provide a contrast to parent-child interactions, complementing our…

High-quality lexical representations are important for reading comprehension; however, prior research has focused primarily on the verbal aspects of these lexical representations. In this article, the authors argue for the importance of considering nonverbal representational elements of lexical knowledge and for more systematic attention to how…

A fundamental question in early childhood mathematics concerns the relationship between young children's own informal signs and the formal abstract symbolic language of mathematics. This study presents research investigating the genesis of mathematical semiosis from a Vygotskian cultural-historical (social-semiotic) perspective. In this study we…

Background and Aims: Children with autism spectrum disorder (ASD) present with impairments in social interaction and stereotypic behaviors. About a third may exhibit delays in verbal expression beyond preschool age, potentially categorizing them as nonverbal/minimally verbal (NV/MV), a condition that can persist into adulthood and affect their…