An article on Biederman's theory is here, and here's Discovery Channel's coverage.
My wife is a scholar of art and design history. Does this lend new meaning to the They Might Be Giants song "The Statue Got Me High"? [lyrics]
If we fancy ourselves people who enjoy learning, are we really just a sort of benign addict? Does this explain the sometime resulting depression when smart (and/or intellectually curious) people are not intellectually challenged? Are they really intellectually curious, or just addicts?
(Someone, please be impressed that I managed to cram neuroscience, TMBG, Art History, and Feynman into one post.)