This study of eight severely mentally retarded nonverbal adults examined the form and function characteristics of intentional communication acts. Subjects who engaged in only contact gestures produced no protodeclarative type communication acts, whereas subjects who used distal as well as contact gestures produced some protodeclaratives.…

Examined the use of protoimperative and protodeclarative pointing gestures in three children with autism (ages 26 to 53 months) at 5-month intervals over two years. Imperative or instrumental functions emerged early in all three; declarative or experience sharing functions emerged later in two subjects and not at all in the third. (DB)

Attempts to prove that users of American Sign Language (ASL) do perform within a closed system of manual and nonmanual sign production features (phonemes and distinctive features). Deaf signers are quite capable of creating nonsense words as well as communicating with signers of other languages through pantomime and other paralinguistic features.…

This book was designed to meet five specific criteria which allow development of a course parallel to the treatment of the book's subject matter, active student involvement in testing and developing their own nonverbal communication capacities, delineation and analysis of the functional capacity of different nonverbal communication systems, an…

This paper explores the link between sign language research and sociolinguistic theory. It demonstrates how sign language research benefits from a sociolinguistic approach and provides validation for sociolinguistic theory. Previous research on the sign language of the deaf is reviewed, and a distinction is made between "structure-oriented" and…