Bio Systems
May 1, 2025
Danko D. Georgiev
4 citations
Functional theories of consciousness, which treat it as an emergent property of brain functions, struggle with the hard problem of why an insentient brain would produce any conscious experience at all, a difficulty worsened by classical physics' determinism, which leaves emergent consciousness causally impotent. This paper presents a quantum information theoretic approach that avoids these drawbacks by reductively identifying first-person subjective conscious states with unobservable quantum state vectors in the brain. The observable brain is viewed as a third-person construct created by classical bits from environmental measurements of commuting quantum brain observables. Quantum resource theory implies that quantum features of consciousness, protected by no-go theorems, cannot be replicated by any classical device.
arXiv Preprint Archive
April 13, 2025
Danko D. Georgiev
The hard problem of consciousness asks why an insentient brain should produce any conscious experience at all. This problem is made worse by classical physics' determinism, which leaves no causal role for emergent consciousness. A quantum information theoretic approach avoids these drawbacks by reductively identifying first-person subjective conscious states with unobservable quantum state vectors in the brain, while the observable brain is a third-person construct created by classical bits from environmental measurements of commuting quantum brain observables. Quantum resource theory implies that quantum features of consciousness, protected by no-go theorems, cannot be replicated by any classical physical device.
Life (Basel, Switzerland)
December 27, 2023
Danko D. Georgiev
Conscious experiences must be causally potent to provide a survival advantage, yet classical physics-based theories of emergence make consciousness epiphenomenal and unable to evolve by natural selection. This review examines recent theoretical advances treating sentience and free will as fundamental aspects of reality grounded in quantum physics. Modern quantum information theory treats quantum states as a physical resource enabling classically impossible tasks. Identifying conscious experiences with the quantum information in brain states allows for causally potent consciousness capable of genuine choices, with brain cortical networks evolving to enhance computational power, memory, and cognitive intelligence.
arXiv Preprint Archive
June 26, 2023
Danko D. Georgiev
Natural selection requires conscious experiences to have causal effects on the physical world, but classical physics theories of the mind lead to causally impotent consciousness, contradicting evolution. This paper derives theorems showing that the impasse arises from mathematical properties of ordinary differential equations used to model the brain's functional production of the mind. The authors demonstrate that quantum physics resolves this by reductively identifying the unobservable conscious mind with the quantum state of the brain, while the observable brain results from measuring quantum brain observables. The resulting quantum stochastic dynamics, governed by stochastic differential equations, allow genuine free will through sequential conscious choices. Quantum reductionism thus provides a theoretical foundation for causal potency of consciousness, free will, and cultural transmission.
arXiv Preprint Archive
December 13, 2020
Danko D. Georgiev
Consciousness may originate from unobservable quantum information integrated in quantum brain states, rather than from classical neuronal activity alone. Classical physics cannot explain how inner conscious experiences arise from brain processes or how they influence behavior. Quantum theory offers a framework: unobservable quantum states (vectors describing what exists) and quantum observables (operators describing what can be measured) coexist in Hilbert space. Quantum no-go theorems constrain brain dynamics to physically admissible Hamiltonians. This view explains the privacy of conscious experience and places conscious processes at picosecond timescales of neural biomolecule conformational transitions. The observable brain is constructed from classical bits, limited by Holevo's theorem, obtained by measuring quantum brain observables. Thus quantum information theory distinguishes the unobservable mind from the observable brain, providing a physical foundation for consciousness research.
Progress in Biophysics and Molecular Biology
December 1, 2020
Danko D. Georgiev
Consciousness may be understood as unobservable quantum information integrated in quantum brain states, rather than as a product of classical neural activity. While the molecular composition of the brain cannot explain feelings or sensations, quantum physics offers a framework: unobservable quantum states (vectors describing what exists) and quantum observables (operators describing what can be measured). Quantum no-go theorems constrain brain dynamics to physically admissible Hamiltonians. This view explains the inner privacy of conscious experiences and suggests conscious processes operate at picosecond timescales of conformational transitions in neural biomolecules. The observable brain is constructed from classical bits of information, bound by Holevo's theorem, obtained through measurement of quantum brain observables. Thus, quantum information theory distinguishes the unobservable mind from the observable brain, providing a physical foundation for consciousness research.
Bio Systems
January 1, 2020
Danko D. Georgiev
Consciousness consists of inner, private, first-person experiences that cannot be observed or communicated via classical bits of information, posing a challenge for explaining how it could arise from physical neurons. Classical thought experiments like inverted qualia and the knowledge argument highlight this difficulty but do not prove consciousness is nonphysical. Modern quantum physics distinguishes between unobservable quantum state vectors (what exists) and observable quantum operators (what can be observed). Identifying consciousness with unobservable quantum information in brain states resolves paradoxes of privacy and explains how the observable brain arises from classical information extracted from quantum states, bound by Holevo's theorem.
arXiv Preprint Archive
November 26, 2019
Danko D. Georgiev
Consciousness consists of inner, subjective, private experiences that cannot be measured by physical devices or communicated as classical bits. Classical physics cannot explain how such unobservable, incommunicable experiences could arise from physical neurons. Thought experiments like inverted qualia and the knowledge argument illustrate this challenge but do not prove consciousness is nonphysical or that introspective reports are unreliable. Modern quantum physics offers a resolution: unobservable quantum state vectors define what physically exists, while quantum operators define what can be observed. Identifying consciousness with unobservable quantum information in brain states allows quantum information theorems to resolve paradoxes of privacy and explains how the observable brain is constructed from classical bits extracted upon measurement, bound by Holevo's theorem.
September 11, 2007
Danko D. Georgiev
Quantum mind theory must be clearly distinguished from quantum mysticism and pseudoscience. Quantum theory offers promising principles for a physical theory of mind because its strange features resemble consciousness, but unwarranted appeals to paranormal phenomena and poor biological modeling of brain physiology create skepticism. The Hameroff-Penrose Orch OR model is examined, with twenty-four unresolved problems identified since its 1996 inception. Beyond critique, the paper proposes novel possibilities for a neuroscientific quantum model of mind that integrates data from biochemistry, cell physiology, neurology, neurosurgery, and molecular psychiatry, outlining a research programme independent of existing models' flaws.