Dopamine typically feels motivating. Serotonin can feel comforting/pleasurable.
Serotonin also acts on serotonin receptors in your gut, heart and other organs. Stimulation of the 5ht2a receptor increases the likelihood of someone noticing angry faces. Too much dopamine can make someone apathetic, too much serotonin can induce anxiety aswell as pleasure.
They do alot and nobody can list it all.
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