limbic system - regulates motives and emotions, amygdala
reticular formation - a built in alarm system
cerebral cortex - interprets events and associates them with feelings and memories
-left hemispheres=positive emotions
-right hemispheres=negative emotions
automatic nervous system - divided into sympathetic (stress/fight or flight) and parasympathetic (peace)
hormones - serotonin (depression), epinephrine/adrenaline (fear), and norepinephrine (anger)