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http://www.npr.org/sections/thesalt/2017/03/27/521423216/what-gave-some-primates-bigger-brains-a-fruit-filled-diet
What Gave Some Primates Bigger Brains? A Fruit-Filled Diet
The researchers analyzed the brain sizes and diets of over 140 primate
species spanning apes, monkeys, lemurs and lorises and found that those who
munched on fruit instead of leaves had 25 percent more brain tissue, even
when controlling for body size and species relatedness.
...
The findings challenge a long-held scientific hypothesis that the size of
social groups among primates is the biggest determinant of brain size. The
bigger the social group, the more complex the social interactions, leading
to the evolution of larger brains with more computing power, the theory
suggests.
...
Overall, diet appeared to be a more consistent predictor of brain size for a
species than social complexity — brain sized increased with fruit eating
more consistently than with greater number of social connections.
...
读后感：多吃米饭。不谢
What Gave Some Primates Bigger Brains? A Fruit-Filled Diet
The researchers analyzed the brain sizes and diets of over 140 primate
species spanning apes, monkeys, lemurs and lorises and found that those who
munched on fruit instead of leaves had 25 percent more brain tissue, even
when controlling for body size and species relatedness.
...
The findings challenge a long-held scientific hypothesis that the size of
social groups among primates is the biggest determinant of brain size. The
bigger the social group, the more complex the social interactions, leading
to the evolution of larger brains with more computing power, the theory
suggests.
...
Overall, diet appeared to be a more consistent predictor of brain size for a
species than social complexity — brain sized increased with fruit eating
more consistently than with greater number of social connections.
...
读后感：多吃米饭。不谢
