Tripartite Brain
David O'Neal
Our human brain is tripartite:
Part reptile, mammal, and primate
And often doesn’t get things right.
The oldest part of it’s the snake’s:
The reptile brain that’s all instinct
That fights or flees or fakes and makes mistakes.
The mammal part's like a dog’s or cat’s:
It's called the limbic system
And emotes and fosters feelings - even in rats.
The third part’s the neocortex,
The newest and, some say, the best:
It thinks and plans and is the most complex.
The neocortex knows just what to do:
It apologizes endlessly
For the shameless goings-on
Of the other two.
In: McAlister,
N.H., McAlister, Z. ed. Science Poetry.
Ontario, 2011. p.39. Disponível
em: <http://www.durham.net/~neilmac/sciencepoetry.pdf>
. Acesso em: 20 set. 2013
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