Signals from the __affect attention, alertness, and motivation.
The __ contains centers that control several automatic, homeostatic functions, including breathing, heart and blood vessel activity, swallowing, vomiting, and digestion. The __ also participates in some of these activities; for example, it regulates the breathing centers in the medulla.
These activities of hte __ rely on axons that reach many areas of the __ and __, releasing neurotransmitters such as norepinephrine, dopamine, serotonin, and acetylcholine.
- cerebral cortex and cerebellum