Learning and use of logical symbols by deaf and hearing subjects.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000818:Animals; D002648:Child; D003210:Concept Formation; D003638:Deafness; D006309:Hearing; D006801:Humans; D007360:Intelligence; D007858:Learning; D008128:Logic; D014706:Verbal Learning