A longitudinal study followed the language acquisition of three deaf infants. Analysis of videotapes recorded in the child's home during informal play was performed in terms of communicative gestures. Results revealed that Ss used a very limited number of hand configurations, locations for signs, and hand and arm movements. Analysis of the…

The English language development of an unselected group of 20 hearing impaired children (mean age approximately four) taught Signed English was studied over a four-year period. (Author/PHR)

Studied across a 16-month period, young children of deaf parents showed accelerated early language development, on the average producing their first recognizable sign at 8.5 months, their tenth sign at 13.2 months, and their first sign combination at 17.0 months. Findings are inconsistent with previously reported patterns of synchrony between…

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…

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…