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Just so you know, Doc...there are a significant fraction of American psychs who believe that a top-down (cognitive therapy - control your thoughts, control your emotions) approach to happiness works better than a bottom up (control your brain chemistry, control your emotions) approach. The battle of cognitive vs. chemical medicine rages daily on the lecture circuit. I was fortunate enough to study that a bit when I went through a depressive episode a number of years back.
I do, however, agree with you that it's completely inaccurate to imagine the brain as a jumble of wires and chemicals completely unaffected by the mind (the unphysical property of humanity that separates us from other animals)