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baby chimpanzee ape at the zoo.

Human Brain Has Many More Language Connections Than Chimp Brain

That finding isn’t surprising in principle but the researchers pinned down specific areas of greater connectivity

In a study of brain scans from 50 humans and 29 chimpanzees, researchers discovered an interesting difference: The connections between language areas in the human brain are much larger than previously thought and quite different from those of the chimpanzee brain. That’s, of course, consistent with the relative complexity of human thought and language but the question had not really been examined before with a focus on one specific area. The researchers were interested in a nerve tract that connects the frontal and temporal lobes of the brain, the arcuate fasciculus. Chimpanzee brain connectivity seems to involve mainly the temporal lobe but in humans there is a connection towards the frontal and parietal lobes via the arcuate fasciculus. “Our findings…