Early humans and Neanderthals had similar-sized brains but around 6 million years ago something happened that gave us the intellectual edge. The answer may lie in a tiny mutation in a single gene that meant more neurons could develop in a crucial part of the brain. Post-doctoral research scientist at the Max Plank Institute of Molecular Biology and Genetics, Anneline Pinson, did the heavy lifting on the research under the supervision of Wieland Huttner. They discuss with Roland how this finding offers a major development in our understanding of the evolutionary expansion of the all-important neocortex area of the brain. …
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