This article deals with two main topics: the interplay of iconicity and metaphors in signed language discourse and the relevance of sociocultural knowledge for a full understanding of LIS metaphors. In metaphors, the iconic features of signs play a role in the creative process of determining a mental fit between two different domains. Iconicity…

A review of research and theory on the structure of signed and spoken languages explores the relationship between the two language types and how the study of signed languages can inform researchers about the human capacity for language. (29 references) (CB)

The paper reviews theories of Lev Vygotsky, founder of the Soviet school of cognitive developmental psychology and an architect of Soviet defectology, the discipline concerned with physically and mentally handicapped children. Three of his basic concepts are explained: (1) "cultural" versus "natural" mental functions; (2)…

The debate over whether primates can be taught visual language is examined, and evidence of use of nonverbal language in primate studies is compared with the language criteria of a number of linguistic researchers. Background information on language, visual language (including sign language), and the parameters of the studies is offered, including…

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