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Early Humans Were Walking Around With Ape-Like Brains, Study Finds - Gizmodo
Apr 08, 2021 55 secs
The brains of these early arrivals into Europe and Asia—hominin species that evolved well before Homo sapiens—were already known to be small, but in the recent inspection, the researchers made endocasts of the ancient skulls.

Comparing the Georgian Homo endocasts to ones taken from skulls of about the same age and younger from Africa and the Indonesian island of Java, the team found that the Georgian hominins’ brains looked more similar to those of great apes than modern humans.

This suggests that modern brain structures emerged from Africa later than early wanderers out of the continent by at least 100,000 years.

“There must have been two ‘out-of-Africa’ dispersals of early Homo: the first is documented by the fossil evidence from the site of Dmanisi in today’s Georgia” about 2 million years ago, the researchers said in their email.

“It does not really change our understanding of Homo sapiens, but it definitely changes the way we look at early human brain evolution,” said Amélie Beaudet, a paleoanthropologist at the University of Cambridge who was not affiliated with the recent study, in an email.

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