— SteemCN

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Previous studies have shown that larger groups of primates with more complex social structures are correlated with larger brains. In fact, scientists have used that idea – called the social brain hypothesis – to explain why humans and certain other primates like chimpanzees and bonobos have bigger brains than other primate species. (Now, diet is thought to have played a big role in making human brains bigger than any of our primate cousin's. As we've reported before, scientists think eating cooked meat gave our bodies some extra energy to fuel the building of bigger brains.)

But the authors of the new study compared body size, diet, and social lives (factors like whether they were solitary or lived in pairs, monogamous or polygynous, and the size of their groups) of these various primate species to their average brain sizes. 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.

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teamsteem (74) · 8 years ago

$0.00

1 vote

ericarthurblair (48) · 8 years ago

When chimps start grilling let me know, maybe then this comparison will be relevant.

$0.23

freeqwincy (35) · 8 years ago

If this was the case then why aren't lions and tigers doing calculus, building their own houses and altering their environment. See how stupid that sounds?

ericarthurblair (48) · 8 years ago (edited)

Let me know when you find lions and tigers with a hibachi grilling up antelope. -1 reading comprehension, +1 fanaticism.

$0.22

RE: Is It Ethical To Eat Meat?

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