 Dopamine-reward/reinforcement, anhedonia  Glutamate-ubiquitous, excitatory, too much kills neurons, stress increases cortisol increases glutamate (stress kills nerves), cognition, affects dopamine release  Serotonin- all aspects of depression  Norepinephrine- all aspects of depression  GABA-ubiquitous, inhibitory, anxiety, cognition  Acetylcholine-memory, cognition,
{}