I voted this comment up, because I too do not see how the root comment isn't an answer and I'd really like to know why the OP doesn't think it is an answer.

I don't understand what he means when he says:

And all there is in the brain, according to standard physics, is a bunch of particles in various changing configurations. So: where's the blue? What is the blue thing?

IT seems like the first sentence answer the questions asked.