midbrain
- n the middle portion of the brain
- The typical pain signal follows a well-worn path from the brain stem through the midbrain and into the cortex, where conscious feelings of pain arise.
- When you are stuck in traffic or overwhelmed at work or worn down by the kids, the hypothalamus--a structure buried deep in the midbrain--tells your adrenal gland to pump out a .
- As all those complex processes were unfolding, your midbrain filed away a simple, primal, unconscious idea: Cupcakes are good.