The present study implemented a sign-repetition task at two points in time to hearing adult learners of British Sign Language and explored how each phonological parameter, sign complexity, and iconicity affected sign production over an 11-week (22-hour) instructional period. The results show that training improves articulation accuracy and that…

A 4 1/2 year old autistic-like child participated in a sign language training program using nine words, each with a corresponding toy and play activity. For each word the teacher held up the appropriate toy and said, or under the sign condition said and signed, the corresponding word. The S learned to sign, but the introduction of sign training…

This case study reports on the progress of Navon, a 13-year-old boy with prelingual deafness, over a 3-month period following exposure to Logo, a computer programming language that visualizes specific programming commands by means of a virtual drawing tool called the Turtle. Despite an almost complete lack of skills in spoken and sign language,…

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…

The ''ba, ba, ba'' sound universal to babies' babbling around 7 months captures scientific attention because it provides insights into the mechanisms underlying language acquisition and vestiges of its evolutionary origins. Yet the prevailing mystery is what is the biological basis of babbling, with one hypothesis being that it is a non-linguistic…

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…