[Eli5] what’s the meaning of the ratio brain size/body mass? Why a bigger brain isn’t alone a sign of bigger intelligence? What has body mass to do with it?

Question

[Eli5] what’s the meaning of the ratio brain size/body mass? Why a bigger brain isn’t alone a sign of bigger intelligence? What has body mass to do with it?

In: Biology

Answer 1

Neuroscience is not currently advanced enough to know this. People can give you answers somewhat, but it will just leave you with more questions.