http://www.intelligentlifemagazine.com/content/features/wanting-versus-liking
There's a certain part of this article that particularly interested me, where it talks about "hedonistic hotspots" in the brain. They recorded that rats lick their lips when they taste something sweet, and they thought that this pleasurable reaction was due to the rush of dopamine in a brain's system, so they gave these rats a dopamine-depressing drug. The interesting part was that even with this drug in the rat's system, they still reacted to the sweet taste the same way, leading scientists to believe that desire and pleasure aren't solely based in one area of the brain, and that pleasure and desire might originate in different hotspots in the brain, what scientists refer to as "hedonistic hotspots," which I just found incredibly interesting.
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