This bibliographic review aims to present a single comprehensive source of references to facilitate clinical application of data obtained on the vocal activity of normal infants and to facilitate continued research on prelinguistic vocal output. The bibliography cites the published observational, empirical, and theoretical reports that examine the…

Language training for the non-verbal or language delayed child should utilize feedback to reinforce correct responses and should closely follow the syntactical development of normal children. The two basic areas of language training are receptive and expressive. Receptive language training includes attending and responding, following single phase…

A severely handicapped four-year-old with Down syndrome received training in comprehension and expressive use of Rebus symbols representing new words and generalization of symbol use to the classroom. Significant increases in comprehension and expression scores and generalized symbol use occurred. Development of verbal expressive skills were also…