title: Communication and reasoning skills of deaf and hearing signers.
abstract: Six tests of intellectual performance were administered to 25 deaf and 21 hearing adult signers. The two groups were not significantly different on tests of Lip Reading and Reception of Signed English but the hearing subjects were superior on tests of non-verbal reasoning and perceptual speed. The hearing were greatly superior on a test of verbal reasoning.
mesh_terms: D000328:Adult; D003142:Communication; D003210:Concept Formation; D003638:Deafness / Q000523:psychology*; D006801:Humans; D008085:Lipreading; D008369:Manual Communication; D011930:Reaction Time; D012813:Sign Language; D014705:Verbal Behavior