The Bilingual Brain
Karl Kim and Hirsch did this research in the united state because when Kim immigrated to U.S he had some difficulty learning English, so he studied the opportunity to see how our brains adapt to a second language . They looked specifically at two language center in the brain , one is called Wernicke's area , in the rear of the brain . The other is called Broca's area in the left frontal part.
After they did this research they found that we all used Wernick's area no matter what language we speaks , but Broca's area was different for the second language .There are several possibilities for the difference in how children and adults learn a second language . one is that when language is being hard -wired in children , the brain may combine sounds and structures from all languages into the same area . A second possibility is simply that we may acquire languages differently as children than we do as adult.
Very nice summary.
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