Background: Understanding the relationship between preverbal skills and language development has important implications for identifying communication delay/disorders and for early childhood intervention. In the case of children with Down syndrome, it is well established that symbolic play is associated with the emergence of language. However, the…

Case studies examined impact of early intervention on the rate of acquisition of communicative and linguistic behaviors for a small group of severely and profoundly deaf infants. Found that infants who were diagnosed and used amplification by six months of age acquired vocal and linguistic skills at an age more comparable to hearing peers than did…