Kelvin McQueen

Kelvin McQueen is a philosopher of physics at Chapman University’s Institute for Quantum Studies, and the leading developer of consciousness-causes-collapse theories, the class of quantum mind positions in which conscious observation is what collapses the quantum wave function. His 2020 paper with David Chalmers, “Consciousness and the collapse of the wave function” (arXiv:2105.02314), states the proposal with unusual rigor, deriving what consciousness-caused collapse would have to look like physically and what it would predict, so the position inherits testability rather than metaphysical protection.

The program’s importance for this site is methodological. Quantum consciousness theories are usually criticized as untestable, and McQueen’s work is the standing counterexample. If conscious observation modifies collapse statistics, the effect is measurable in photonic experiments, and the field can find out rather than argue. His Institute for Quantum Studies affiliation places the work inside a physics research environment rather than a philosophy seminar.

For the AI consciousness debate, the theory cuts sharply. On consciousness-caused collapse, experience is tied to physical processes that classical digital computers do not run, which makes quantum platforms the relevant substrate, the position this site tracks in the Faggin and quantum consciousness cluster. McQueen’s profile anchors the testable end of that claim.

Known for. Consciousness-causes-collapse theories, testable quantum consciousness with David Chalmers, photonic experiments for objective collapse

Coverage on this site

• Kelvin McQueen Quantum Superpositions Minimal Integrated Information Model August 2026

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• Federico FagginFederico and Elvia Faggin FoundationInventing the microprocessor, Quantum Information Panpsychism, Irreducible, the argument that classical computers cannot be conscious Quantum1 article
• MF Matthew FisherUniversity of California, Santa BarbaraQuantum cognition via nuclear spins, phosphorus as a neural qubit, Posner molecules, condensed matter physics applied to the brain Quantum
• SG Shan GaoShanxi UniversityWave function ontology, the meaning of the wave function, consciousness-causes-collapse analysis, editor of quantum mind volumes at Oxford University Press Quantum

Kelvin McQueen is listed with the other quantum theorists, who hold that consciousness depends on physics classical computers do not reproduce. The theory family behind that position is set out in the index of consciousness theories. Every researcher covered on this site is indexed in the directory of consciousness researchers.