brain/body size and intelligence
joshcahoon at cs.com
Tue Nov 9 22:26:22 EST 1999
.>within this 'equation', big bodies require comensurately-big nervous systems
>be-cause they have to signal longer distances within that bigger body, which
>means that neruons have to be larger so that they can contain larger versions
>of the energy-transformation stuff that empowers neural activation dynamics.
So blue whale have huge neurons? And rat neurons are puny? And ours are
somewhere in between?
Even if that is the case, it seems to apply significantly only to motor and
sensory cortex. The size of the body doesn't result in association cortex
having to communicate across longer distances.
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