High illiteracy rates among the Argentine deaf population, even after long years of schooling, point to the need to revise certain approaches to deaf literacy, particularly in school settings. Qualitative change in deaf literacy requires the use of multiple conceptual tools if learners are to be able to tackle its complexity without reductionism…

Reviews methodologies of sign language studies with chimpanzees and compares major findings of those studies with studies of human children. Considers relevance of input conditions for language acquisition, evidence used to demonstrate linguistic achievements, and application of rigorous testing procedures in developmental psycholinguistics.…

Motivational factors and unique characteristics of sign language systems are suggested as contributing to the ability of severely dysfunctional nonverbal children to make progress within a manual communication medium. (Author/EJS)

Compares the production of speech and sign: the approaches used in research, the cognitive processes involved, and the output timing mechanism. (AM)

The results of a word recognition study are compared to those of a sign recognition study in order to determine which aspects of lexical access are comparable in speech and sign, and which are specific to each of the two language modalities. The "gating paradigm" was used in both studies. (Author/AMH)