I think that’s what Douglas_Knight was getting at with the “controlling muscle… needn’t clog up the brain” comment. If the trouble is that muscles need a amplified electrical signal, why not send data from a small efficient brain down small efficient nerves then amplify those signals right next to the muscle?
There’s probably some design constraint we don’t see, though. Whales have much bigger brains than humans, but those brains seem to be composed of fewer neurons and far far more glial cells...
I think that’s what Douglas_Knight was getting at with the “controlling muscle… needn’t clog up the brain” comment. If the trouble is that muscles need a amplified electrical signal, why not send data from a small efficient brain down small efficient nerves then amplify those signals right next to the muscle?
There’s probably some design constraint we don’t see, though. Whales have much bigger brains than humans, but those brains seem to be composed of fewer neurons and far far more glial cells...