Philosophy of Mind · Foundations 01
The hard problem:
where explanation ends
Written by Oliver Cás — physician specializing in the diagnosis of rare brain diseases (neuropathology) and author. See Oliver Cás's books →
Neuroscience can map every active neuron while you see the red of a sunset. What it cannot do — and perhaps cannot in principle — is explain why there is something it is like to be you seeing that red. That gap has a name, an owner, and enormous consequences for the debate about spirituality.
Easy and hard
In 1995, the philosopher David Chalmers divided the study of consciousness into two kinds of problem. The "easy problems" (which are not easy at all — merely tractable by standard scientific method): how the brain discriminates stimuli, integrates information, controls behavior, reports internal states. On these, neuroscience advances admirably.
The "hard problem" is something else: why is all this processing accompanied by experience? Why doesn't the activity of the visual cortex happen "in the dark", as in a computer, instead of coming with the lived red, the taste of coffee, the pain that hurts? Thomas Nagel formulated the classic test: we can know everything about a bat's echolocation and still not know what it is like to be a bat. Joseph Levine called this the explanatory gap: between "these neurons fire" and "this is felt like this" there is a leap no current equation crosses.
Why this matters for spirituality
⚕ What science has won
Ever more precise neural correlates: we know which brain patterns accompany which experiences — including mystical ones, as we saw in the Newberg episode. That is real, hard-won knowledge.
☩ What remains open
If not even the experience of seeing red has been explained by the physics of the brain, declaring that the experience of God "is just the brain" is not science — it is a metaphysical bet dressed in a lab coat. The honesty cuts both ways: the gap cannot be used as proof of the soul either. A gap is a gap: an invitation to humility, not a trophy.
It is exactly here that the Two Windows Method finds its philosophical foundation. Strict materialism and religious dualism make the same mistake in opposite directions: they close a question that is open. The intellectually solid position is more uncomfortable — sustaining the question.
"Consciousness is the only phenomenon in the universe we know from the inside. Perhaps that is why it is the only one we cannot explain from the outside." — The Two Windows Method
⚖ What the science does NOT say
- The existence of the hard problem does not prove the existence of the soul, of God, or of any spiritual reality — it only shows that materialism has not closed the account.
- Serious philosophers (Dennett, Churchland) deny that the hard problem exists as formulated; the controversy is legitimate and alive.
- Neural correlation remains the best available instrument — the critique of reductionism is not a license to ignore data.
Where does your life find its why?
The Compass of Meaning — the test based on Viktor Frankl's logotherapy — is in the test hub.
Take the test →