Closer To Truth Can Brain Alone Explain Consciousness?
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Mar 25, 2026 
David Chalmers, philosopher known for framing the 'hard problem' of consciousness, and John Searle, philosopher advocating biological naturalism, spar over whether brain facts can explain subjective experience. They debate explanatory gaps, materialist strategies, panpsychism, integrated information, causation, and whether consciousness could be built or remains fundamentally beyond neuroscience.
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Consciousness Still Lacks A Scientific Explanation
- Consciousness lacks an adequate scientific theory explaining how brain processes cause first-person experience.
- John Searle highlights our success in physics but says we presently have no account of how brain states generate conscious states.
The Hard Problem Versus Easy Problems
- David Chalmers differentiates 'easy' problems of behavior from the 'hard' problem of subjective experience.
- The hard problem asks why physical brain processes produce the felt 'what-it's-like' first-person quality.
Correlations Do Not Equal Explanation
- Chalmers argues brain data show correlations but not explanation, implying a substantive conceptual bridge is needed.
- He suggests philosophical interpretation of neuroscientific data cannot be settled by correlations alone.