Presents the case for a mapping theory of developmental language impairment, which branches into a theory that specific language impairment arises from impaired phonological processing and the consequent disruption of the mapping process through which the words and sentence structure of language are established. (Author/VWL)

Investigates the incidence of segmental and prosodic contrasts in recorded sentence materials and the use of such distinctions in the processing of utterances. The chosen materials involve sites of parsing ambiguity. Results show that in the immediate interpretation of spoken language input, intonational contrasts function as clear structural…