08/29/2011 11:24 am ET Updated Oct 29, 2011

How The Brain Creates Pleasure

By Maia Szalavitz

How does the brain create the experience of joy and desire? That's the subject of David Linden's new book, "The Compass of Pleasure." A professor of neuroscience at Johns Hopkins University School of Medicine, Linden studies memory. But here, he explores the basis of craving, addiction and satisfaction.

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