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from Gesture
Gesture processing takes place in areas of the brain such as Broca's and Wernicke's areas, which are used by speech and sign language.[1] In fact, language is thought by some scholars to have evolved in Homo sapiens from an earlier system consisting of manual gestures. [2] The theory that language evolved from manual gestures, termed Gestural Theory, dates back to the work of 18th-century philosopher and priest Abbé de Condillac, and has been revived by contemporary anthropologist Gordon W. Hewes, in 1973, as part of a discussion on the origin of language.[2]
- ^ Xu, Jiang; Gannon, Patrick J.; Emmorey, Karen; Smith, Jason F.; Braun, Allen R. (2009). "Symbolic gestures and spoken language are processed by a common neural system". Proceedings of the National Academy of Sciences of the United States of America. 106 (49): 20664-9. doi:10.1073/pnas.0909197106. PMID 19923436.
- ^ a b Corballis, Michael C. (January 2010). "The gestural origins of language". Wiley Interdisciplinary Reviews: Cognitive Science. 1 (1): 2-7. doi:10.1002/wcs.2.