Brain complexity: speaking and writing (Introduction)

by David Turell , Tuesday, May 05, 2015, 17:56 (3268 days ago) @ David Turell

Found in different control areas of the brain. Two ways of handling language are compartmentalized in the brain. Obviously speech developed and then written language in that order, so this separation of control areas is not surprising:-http://medicalxpress.com/news/2015-05-brain-ability.html-"The team wanted to understand how the brain organizes knowledge of written language—reading and spelling—since that there is a genetic blueprint for spoken language but not written. More specifically, they wanted to know if written language was dependent on spoken language in literate adults. If it was, then one would expect to see similar errors in speech and writing. If it wasn't, one might see that people don't necessarily write what they say.-"The team, which included Simon Fischer-Baum of Rice University and Michele Miozzo of Columbia University, both cognitive scientists, studied five stroke victims with aphasia, or difficulty communicating. Four of them had difficulties writing sentences with the proper suffixes, but had few problems speaking the same sentences. The last individual had the opposite problem—trouble with speaking but unaffected writing.-"The researchers showed the individuals pictures and asked them to describe the action. One person would say, "The boy is walking," but write, "the boy is walked." Or another would say, "Dave is eating an apple" and then write, "Dave is eats an apple."-"The findings reveal that writing and speaking are supported by different parts of the brain—and not just in terms of motor control in the hand and mouth, but in the high-level aspects of word construction.-"'We found that the brain is not just a 'dumb' machine that knows about letters and their order, but that it is 'smart' and sophisticated and knows about word parts and how they fit together," Rapp said. "When you damage the brain, you might damage certain morphemes but not others in writing but not speaking, or vice versa.'"