In the debate over continuities versus discontinuities in the emergence of language, sign language is not taken to be the antithesis, but is presented as the antecedent of spoken languages. (Author/HP)

A framework which considers speech and language as separate entities in a symbiotic relationship is presented, and basic questions are raised concerning how speech and language function together and what their reciprocal effects are. Based on the notion that speech and language are independent, various examples of speech without language and of…

Surveys recent literature on the origins of language, and speculates on the history of human language, especially on the factors contributing to the change from a gestoral to a vocal system. (Available from the University of Alabama Press, Periodicals Department, Drawer 2877, University, Alabama 35486.) (AM)

This book reports the proceedings of the conference on the role of speech in language, the fifth conference in the "Communicating by Language" Series, sponsored by the Growth and Development Branch of the National Institute of Child Health and Human Development. The focus of the first group of papers is on the development of speech in man and…

A collection of research materials on sign language and primatology is presented here. The essays attempt to show that: sign language is a legitimate language that can be learned not only by humans but by nonhuman primates as well, and nonhuman primates have the capability to acquire a human language using a different mode. The following…