What Is Consciousness?
Sartre: Let us begin where all philosophy must begin — not with neurons, not with brain states, but with the undeniable fact of awareness. I am aware that I am aware. This reflexivity is consciousness itself, and it is precisely what escapes every materialist account. You may describe the firing of synapses with perfect precision. You will never, in doing so, account for the fact that there is something it is like to be me, standing here, experiencing this conversation. The inner light of subjectivity — what you dismiss as mere qualia — is not an embarrassment to be explained away. It is the starting point of all philosophy.
Dennett: I do not dismiss the inner light. I take it more seriously than you do, because I want to explain it rather than simply point at it in wonder. You invoke the word "subjectivity" as though it were a magic lantern — something that glows by itself, beyond all inquiry. But consciousness is not one thing happening in one place. There is no Cartesian Theater in the brain where a self sits watching the show of experience. What we call consciousness is an ongoing process of multiple drafts — revisions, edits, updates — running in parallel across the brain. There is no single moment when experience becomes "conscious." It is conscious all the way down, and nowhere in particular.
Sartre: And yet you must grant that these drafts are experienced by someone. Your model describes the mechanism beautifully. It says nothing about why there is experience at all. Daniel Chalmers calls this the Hard Problem — why is there something it is like to be a brain processing information? You have explained the functions of consciousness. You have not explained consciousness itself. The gap between the third-person description of neural events and the first-person reality of being me remains as wide as ever.
Dennett: The Hard Problem is a philosopher's artifact, not a genuine mystery. It arises from the mistaken assumption that qualia — the raw "what-it's-like-ness" of experience — are intrinsic, ineffable, and non-functional properties that float free of the brain's activity. I deny this. What you call the "inner light" is itself a functional state, a capacity of the brain to represent its own representations. The sense that something remains unexplained after you've explained all the functions is an illusion — a residue of Cartesian thinking, not a discovery about the mind. Once you give up the idea that there is a special substance called experience that the brain must somehow generate, the Hard Problem dissolves.
Sartre: You say the problem dissolves. I say you have changed the subject. The question was: why is there experience? Your answer is: there is only function. But that answer presupposes what is in question. You have not dissolved the problem. You have simply decided to speak only of what you can measure — and then claimed that what you cannot measure does not exist. This is not philosophy. It is methodology masquerading as metaphysics.
Dennett: On the contrary — I insist that your approach is the one that leaves the important question unanswered. You protect consciousness from reduction by placing it beyond all inquiry. I expose it to inquiry precisely because I respect it. The brain is the most complex structure in the known universe. It did not evolve to produce a ghost. It evolved to produce behaviour — sophisticated, flexible, self-monitoring behaviour. Consciousness is what that behaviour looks like from the inside. That is not a dismissal. That is the beginning of a real answer.