Support for baby signing (BS) with hearing infants tends to converge toward three camps or positions. Those who advocate BS to advance infant language, literacy, behavioral, and cognitive development rely heavily on anecdotal evidence and social media to support their claims. Those who advocate BS as an introduction to another language, such as…

Reviews work on the acquisition of complex verbs in American Sign Language (ASL), delineating three lines of research showing how children acquire ASL and discussing possible reasons for the particular fashion in which different children (native learners, non-native learners, and native learners with parents who are non-native learners) acquire…

A study investigated acquisition of three independent yet simulatneously produced morphological systems in American Sign Language (ASL): the linguistic use of space, use of classifiers, and inflections for aspect, all information incorporated into the production of a sign. Subjects were 30 deaf children with severe or profound prelingual hearing…