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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

Lieberth, Ann K.; Gamble, Mary Ellen Bellile – Journal of Communication Disorders, 1991
This study evaluated the recognition and retention of transparent and nontransparent manual signs by 50 sign-naive hearing college freshmen. There was a significant decrease in the number of nontransparent signs retained as the period of time after training increased. Implications for sign language training with nonverbal hearing persons are…
Descriptors: College Freshmen, Communication Disorders, Higher Education, Maintenance