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Peer reviewedMcLean, 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
