We can say that such and such part of the brain is "for" this or that. Then it releases neurotransmitters or changes the level of hormones in your body which in

We can say that such and such part of the brain is "for" this or that. Then it releases neurotransmitters or changes the level of hormones in your body which in turn have cascading effects, and at this point information theory would like to have a word. "If our small minds, for some convenience, divide this glass of wine, this universe, into parts -- physics, biology, geology, astronomy, psychology, and so on -- remember that nature does not know it!" -Richard Feynmann