Fun Fact: Brain Size & Evolution

[David Morris]

Fun fact: domesticated animals have evolved to have smaller brains than
their wild species cousins.  No pain, less brain (size)?


We humans are also mostly domesticated.  Are our brains smaller than those
of our earlier cousins?


It is also a fun fact that more intelligent species consistently have
smaller brain-to-body size ratios.  So counter intuitive, right?


Maybe brains become more efficient and smaller as intelligence grows.  Maybe
intelligence grows with domestication.  But whales and elephants are on the
smaller brain, more intelligent scale, and are not "domesticated."  Are
there species (us) that have self-domesticated, therefore becoming more
intelligent?


"Domesticated" in this context does not mean under subjection of another
species.


Just a thought...


David Morris
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