# Qualia **Domain:** Philosophy of Mind / Consciousness **Doc Type:** Concept Node **Classification:** Phenomenal-Evidence Problem **Maturity:** Foundational Debate **Related:** [[wiki/Consciousness|Consciousness]], [[wiki/Hard Problem of Consciousness|Hard Problem of Consciousness]], [[wiki/Biological Naturalism|Biological Naturalism]] --- ## Definition **Qualia** are the phenomenal characteristics of experience: what pain feels like, what red looks like or how an emotion presents from the first-person point of view. Philosophers disagree about whether qualia are irreducible properties, representational contents, functional states or misleading products of folk introspection. ## Continuity Problem A continuant can report the correct memories, discriminate stimuli and reproduce the source's language about experience without proving that it has any experience—or the same phenomenal character. This is not evidence that qualia are absent. It is an epistemic limit on what behavioral equivalence establishes. ## Decision Consequence The architecture should separate tests of capability, self-report, causal organization and moral-risk indicators. Where suffering is plausible, uncertainty supports precautionary protections. Where identity is claimed, matching reports of qualia strengthen psychological evidence but do not settle numerical continuity. ## Sources - [Stanford Encyclopedia of Philosophy — Qualia](https://plato.stanford.edu/entries/qualia/) - Thomas Nagel, “What Is It Like to Be a Bat?” *Philosophical Review* 83 (1974). ## See Also [[wiki/Substrate-Neutral Moral Patienthood|Substrate-Neutral Moral Patienthood]] · [[wiki/State Sufficiency Problem|State Sufficiency Problem]] · [[wiki/Verification of Continuity Claims|Verification of Continuity Claims]]