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Sign language and the brain: Apes, apraxia, and aphasia
Published online by Cambridge University Press: 04 February 2010
Abstract
The study of signed languages has inspired scientific' speculation regarding foundations of human language. Relationships between the acquisition of sign language in apes and man are discounted on logical grounds. Evidence from the differential hreakdown of sign language and manual pantomime places limits on the degree of overlap between language and nonlanguage motor systems. Evidence from functional magnetic resonance imaging reveals neural areas of convergence and divergence underlying signed and spoken languages.
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- Copyright © Cambridge University Press 1996