What, if anything, is "consciousness"? This is a central question of Zen . I have recently taken a look at the more "Scientific" view on the question. I just read Daniel Dennett 's discussion of consciousness. There are lots of Dennett lectures online. He's articulate and entertaining. Dennett is a philosopher so tends to dig himself into obscure debates about language, terminology and disputes with other philosophers. He borrows a lot of experimental results, but he's not really part of the Scientific culture. Sorry, philosophers, philosophy is not Science. As Robert Laughlin reminds us, scholars of the humanities talk about words; physicists talk about facts. Dennett is still well worth reading though. Let me sketch out what I think he's talking about. He seems to be arguing against the intuitive view of consciousness, best represented by what's called the Cartesian Theater . This pictures the mind as something sitting in a theater watching t...