A longitudinal study of the effect of mothers' communication modes on the language development of children (N=149) with severe or profound hearing loss indicated that children whose mothers used oral communication had higher scores on measures of spoken language, whereas children whose mothers used manual communication had higher scores on…

The feedback model of maternal language indicates that maternal language development is tailored to child feedback. The conversational model indicates that adjustment in mothers' speech occurs before the onset of child language. In order to verify the validity of these models, the language of mothers of six hearing and six deaf 13- to…

This report is a cross-linguistic study that compares the sequence of emergence of semantic relations in English with the sequence of emergence of these relations in the acquisition of American Sign Language. American Sign Language (ASL) differs from English in modality (it is a visual-gesture language rather than an auditory-vocal one) and in the…