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Hodges, Patricia; Schwethelm, Bettina – Applied Psycholinguistics, 1984
Describes a study in which two nonspeech communication systems were evaluated with respect to their efficacy for use with profoundly retarded nonspeech children. Results show that 53 profoundly retarded children who have failed to acquire expressive linguistic skills can succeed with some alternative nonspeech symbol systems, especially with…
Descriptors: American Sign Language, Children, Language Handicaps, Manual Communication

Anderson, Diane E.; Reilly, Judy S. – Applied Psycholinguistics, 1997
Focuses on the acquisition of negation in American Sign Language (ASL) and the developmental relationship between the communicative and grammatical (or linguistic) headshakes for negation in deaf children acquiring ASL. Results indicate that the systems for communication and language are differentially mediated. (35 references) (Author/CK)
Descriptors: American Sign Language, Body Language, Child Language, Communication (Thought Transfer)