la evoked the responses, but again they weakened after the volunteers ate. Gottfried said specific brain circuits are involved in this process. The researchers found heavy involvement of the amygdala -- the area of the brain best known for processing emotions -- and the orbitofrontal cortex.

Something must tell the brain when to respond and when not to, and this does not necessarily stop at food. Whether we are talking about food or sex or even things on the aversive scale such as dangers and threats and predators, the brain also needs to know how to update ... and modulate these associations so you don't get stuck in a rut.
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