Ability to learn new words based on efficient communication between brain areas that control movement and hearing
from King's College London via Science Daily
For the first time scientists have identified how a pathway in the brain which is unique to humans allows us to learn new words. The average adult's vocabulary consists of about 30,000 words. This ability seems unique to humans as even the species closest to us — chimps — manage to learn no more than 100. It has long been believed that language learning depends on the integration of hearing and repeating words but the neural mechanisms behind learning new words remained unclear.
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