It was meat consumption and cooking that made encephalization possible. Let us look at some research that supports this: the “expensive tissue” hypothesis.
As the brain is an organ with high energy consumption, encephalization requires an increase in basal metabolism. However, human beings did not increase their basal metabolic rate with their increasing brain size. However, the above hypothesis solves this contradiction.
■References (Books, papers, Web articles, etc.)
『家族進化論』 第2章第16節 脳の増大と食の改変 山極寿一 （東京大学出版会、2012）
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