What children loose when their brains develop too fast?

From birth onwards, your brain acts as the 'engine' behind your behavior and your ability to learn. Diverse complex processes in the brain determine among other things how you process information and solve problems, your concentration, and how you position yourself in relation to others.

it depends on which society you are referring to. many civilization performed rituals so the gods would with their growing season but the most well known is that of the aztecs. they would make sacrifices, usually animals, but sometimes humans as well.