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McLean, James E.; And Others – Journal of Speech and Hearing Research, 1991
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.…
Descriptors: Adults, Body Language, Communication Skills, Manual Communication

Morford, Jill P. – Language & Communication, 1996
Reviews research on "homesign" systems, i.e., the gestural communication of deaf individuals who do not learn a spoken language and who are not exposed to a signed language. The article touches on how iconicity affects language structure and use, the role of input in language development, and the nature of the critical period for…
Descriptors: Adolescents, Adults, Body Language, Child Language