Human brain evolution, new insight through X-rays: Experiment reveals brain shape of an early human ancestor

A new paper preveals an accurate, high-resolution X-ray scan of the brain case of Australopithecus sediba, an early human ancestor. The overall shape of the endocast resembles humans more than chimpanzees which, combined with the brain's small volume, is consistent with a model of gradual neural (brain) reorganization in the front part of the brain.

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