Head to head
Eliminative Materialism vs Nagel’s Mind and Cosmos
Churchland’s Eliminative Materialism and Nagel's Mind and Cosmos, compared field by field from their entries in the Atlas.
At a glance
- Eliminative Materialism belongs to the Materialism family in Kuhn's Landscape of Consciousness, Nagel’s Mind and Cosmos to Challenge.
- On life after death, Eliminative Materialism says “No” and Nagel’s Mind and Cosmos says “Conditional”.
- On meaning and purpose, Eliminative Materialism says “Humanistic only” and Nagel’s Mind and Cosmos says “Cosmic/Ultimate”.
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The claim
In brief
Eliminative MaterialismPaul and Patricia Churchland hold that common-sense psychology, our everyday talk of beliefs, desires, and experiences, is a radically false theory that a completed neuroscience will displace rather than smoothly reduce. Consciousness as we ordinarily conceive it is a brain-generated picture shaped by evolution, and our self-understanding, introspection included, will be rebuilt in neuroscientific terms.
Nagel’s Mind and CosmosThis perspective challenges the prevailing materialist Neo-Darwinian conception of nature, arguing that it fails to account for the irreducible nature of subjective experience, or 'what it is like' to be a conscious organism. It proposes that mind must be incorporated as a fundamental principle of nature itself.
What consciousness is
Eliminative MaterialismWhat we call consciousness, as folk psychology describes it, does not exist in that form. The real phenomena are neural processes, which only a mature neuroscience will describe correctly.
Nagel’s Mind and CosmosConsciousness is fundamentally subjective experience—'how it is for the subject himself'—which resists reduction to purely physical, third-person descriptions.
Big questions
Eliminative MaterialismNo position
Nagel’s Mind and CosmosUncertainAs a critique of functionalism and reductionism, Nagel's view suggests that purely computational entities lacking fundamental mental properties are likely philosophical zombies; outcome depends on whether future AI can instantiate the hypothesized universal mental principles.
Eliminative MaterialismNoSince the mind is the brain, nothing mental survives the brain’s death.
Nagel’s Mind and CosmosConditionalIf consciousness is a universal, fundamental property rather than a biological emergent, its essence may persist after bodily dissolution (inferred from panpsychist leanings), though likely without retention of personal identity.
Eliminative MaterialismNo position
Nagel’s Mind and CosmosUnlikelyThe irreducibility of subjective experience means duplication of physical/functional patterns alone would fail to transfer the original first-person consciousness.
Eliminative MaterialismHumanistic onlyPatricia Churchland urges us to see ourselves as organisms in nature, understood by scientific methods, with no cosmic purpose.
Nagel’s Mind and CosmosCosmic/UltimateExplicitly seeks to incorporate mind as a fundamental natural principle to overcome the 'pointlessness' implied by materialism, suggesting a non-theistic, inherent cosmic purpose or value.
Nature of mind
Ontology
Eliminative MaterialismPhysicalism (eliminative)
Nagel’s Mind and CosmosPhilosophical Challenge (leaning towards Universal Monism/Panpsychism)
Mind and body
Eliminative MaterialismThe mind is the brain. Patricia Churchland calls her program a ‘unified theory of the mind-brain’ and treats claims that mind goes beyond brain as the residue of folk myths.
Nagel’s Mind and CosmosCritiques the current conception of the mind-body relationship, asserting that we lack any conception of how physical and phenomenological aspects could be related or identical.
Fundamental or emergent
Eliminative MaterialismNeither
Nagel’s Mind and CosmosPrimitive (or fundamental)
Qualia
Eliminative MaterialismQualia as folk psychology and philosophers conceive them are expected to give way to neuroscientific description; the view treats consciousness as a kind of illusion generated by the brain.
Nagel’s Mind and CosmosQualia (felt qualities) are the core of the problem, and Nagel argues that no objective or physicalist explanation currently formulated can account for their subjective reality.
How it works
Mechanism
Eliminative MaterialismTheory displacement. Folk psychology will be replaced the way outdated scientific theories were, its principles and ontology discarded rather than mapped onto brain states.
Nagel’s Mind and CosmosPrimarily focuses on exposing the conceptual limits of physical reductionism rather than positing a definitive mechanism. Mechanistically, his solution suggests consciousness arises through the composition of fundamental, panpsychic-like elements.
Where it is
Eliminative MaterialismIn the brain.
Nagel’s Mind and CosmosUniversal/Systemic (inferred from universal monism/panpsychism leanings) or inherent in the fabric of nature.
What it does
Eliminative MaterialismBehavior is caused by neural processes; neuroscience is expected to explain it better than folk psychology does.
Nagel’s Mind and CosmosPrimarily critical, arguing against the materialist view that consciousness is an inert epiphenomenon. If mind is a fundamental principle, it implies an irreducible, organizing role in the cosmos.
Evidence and criticism
Testability
Eliminative MaterialismConceptually testable
Nagel’s Mind and CosmosUncertain/Primarily Conceptual. The theory's strength lies in its diagnosis of the explanatory gap, not in empirical verification. His suggested alternative (panpsychism) is highly speculative.
Tests so far
Eliminative MaterialismThe view stakes its claim on the future course of neuroscience; whether folk categories survive in mature brain science is the long-run test.
Nagel’s Mind and CosmosNot stated
Criticisms
Eliminative MaterialismCritics say denying subjective experience defies both intuition and direct evidence; Galen Strawson calls the denial of experience ‘the strangest thing that has ever happened in the whole history of human thought’. There is also tension between Patricia Churchland’s talk of reduction to neurobiology and the eliminativist claim that folk psychology will be displaced rather than reduced.
Nagel’s Mind and CosmosCriticized for retreating to 'mysterianism' and for rejecting established scientific frameworks (Neo-Darwinian materialism) without offering a concrete, robust, and detailed secular ontology as an alternative.
Sources
Key sources
Eliminative Materialism
- Neurophilosophy, Patricia Churchland (1986)
- Churchland’s Eliminative Materialism (Landscape of Consciousness), Patricia Churchland
Nagel’s Mind and Cosmos
- What Is It Like to Be a Bat? (1974)
- The View from Nowhere (1986)
- Mind & Cosmos: Why the Materialist Neo-Darwinian Conception of Nature Is Almost Certainly False (2012)