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Coelho, Carl A. – Journal of Communication Disorders, 1990
This study of four moderately to severely aphasic subjects found that success in manual sign training programs is related to severity of aphasia, that aphasic subjects' propositional use of manual signs rarely follows simple acquisition, and that generalization to untrained stimuli or environments does not occur without additional training.…
Descriptors: Adults, Aphasia, Generalization, Language Acquisition