Dial H for Happiness: How Neuroengineering May Change Your Brain

Sci-fi author Philip K. Dick may have best anticipated neuroengineering in his most famous work, “Do Androids Dream of Electric Sheep?,” the basis of the movie “Blade Runner.” The main character and his wife get up in the morning and select their moods on what Dick called a Penfield mood organ.

We’re a long way from building a Penfield mood organ, but we already have ways of prodding our brains. Sometimes we achieve miracle cures, sometimes just trim the edge off the pain, but even the little tweaks can mean the difference between the livable and unlivable life.

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