Careful with fundamentalist materialism (as with any fundamentalism in general). At the end of that road lie all sorts of aberrations such as "computer programs do not exist" and so on. Really? There's a whole industry built on the opposite idea. :)

EDIT: Are you also saying that the subconscious does not exist?

It's pretty funny having this sort of conversations with compsci people. They tend to be pretty hardcore and either-black-or-white on issues that do not lend themselves to this sort of treatment at all.