Quantum information theory offers a fascinating lens to examine the deep links between physical reality, consciousness, and information. By treating quantum states as informational, we can explore how subjective experience might relate to or be influenced by the informational substrate of the material world. This requires bridging perspectives from quantum physics, neuroscience, and philosophy of mind. While connections remain speculative, quantum information theories provide fertile ground for models of consciousness and its possible role in collapsing indeterministic quantum states. **Information and Physical Reality** In quantum theory, the state of any system can be expressed as information encoded in quantum bits (qubits) of spins, polarizations, etc \[1\]. Upon measurement, the probabilistic state vector collapses according to the Schrödinger equation into definite values \[2\]. From this informational perspective, matter at the fundamental level behaves less like solid substances and more like fluctuating potentials of information \[3\]. Some theorize configurations of quantum information give rise to conscious observers \[4\]. However, significant conceptual gaps remain in relating subjective experience to encodings of information in physical states. **The Hard Problem of Consciousness** While matter objectively has an informational character, the subjective qualities of conscious experience constitute the renowned ‘hard problem’ \[5\]. The redness of red, the pain of pain – these phenomenal properties do not manifestly reduce to information states of matter \[6\]. Even if consciousness alters information in qubits, how and why such physical changes result in subjective feeling remains mysterious. While information theories accurately describe physical matter, the emergence of first-person consciousness requires additional explanatory principles \[7\]. **Plausible Connections** Rather than direct mental control over matter, a plausible connection is quantum computation enhancing information processing relevant for consciousness \[8\]. For example, quantum tunneling may increase efficiency of neural transmission \[9\], and entanglement could multiply parallel processing, enhancing informational capacity exponentially \[10\]. Such information processing likely feeds into conscious cognition. Additionally, some argue indeterminacy in neurotransmitter release allows room for conscious volition \[11\]. So quantum phenomena may participate in producing consciousness without consciousness directly controlling matter. Treating the physical world informationally allows intriguing avenues to connect consciousness to physics. However, the hard problem persists – why should information processing give rise to subjective feeling \[12\]? While consciousness may leverage quantum computation, sentience likely also depends on non-informational properties \[13\]. Progress requires synthesizing mathematical, physical, computational and experiential insights about consciousness and reality. Quantum information theories provide one piece of this deep puzzle. **Key Unresolved Issues:** * The origin of subjective experience from information states remains deeply puzzling. No clear mechanism proposes how informational processing generates phenomenal consciousness. * The feasibility of large-scale quantum coherence in the warm and noisy brain environment is questionable. Global quantum models of consciousness confront physics constraints. * The causal directionality between consciousness, quantum effects, and matter is unclear. Does consciousness collapse quantum waves, or do quantum effects produce consciousness? **Potential Scenarios and Falsifiability:** * Consciousness directly alters qubits to manifest reality – Falsifiable by finding no statistical anomalies in quantum behavior based on mental states. * Qubits in microtubules explain the “hard problem” – Falsifiable by showing computation alone cannot account for experiential states. * Quantum tunneling alters neural transmission – Plausible and supported by some evidence of tunneling effects in microtubules. Remains an open area of research. * External particles entangled with the brain – Likely falsifiable through noise interference and decoherence at biologically high temperatures. Given current knowledge, the maximum likelihood is that quantum information theory provides a useful metaphor for matter, but the origin of consciousness remains unexplained. Limited quantum effects like tunneling may support neural computation without consciousness directly controlling matter via qubits. Fully relating consciousness to the quantum informational world likely requires new conceptual frameworks beyond physical reductionism and computation alone. Both subjective experience and the ability to store memory transcend information states. Continued interdisciplinary research is needed, embracing the full complexity of consciousness and its role in reality. While quantum information theories offer provisional models, they leave key issues like subjectivity unresolved. A complete understanding will likely require moving beyond purely informational descriptions toward a broader paradigm integrating subjective, computational, physical and metaphysical perspectives. The connection between consciousness and reality retains an aura of deep mystery, but progress is being made at the frontiers of human knowledge. \[1\] Nielsen, M., & Chuang, I. (2002). Quantum computation and quantum information. \[2\] Schrödinger, E. (1935). The present situation in quantum mechanics. Naturwissenschaften, 23(48), 807-812. \[3\] Wheeler, J. A. (1990). Information, physics, quantum: The search for links. In Complexity, Entropy, and the Physics of Information. \[4\] Tegmark, M. (2015). Consciousness as a state of matter. Chaos, Solitons & Fractals, 76, 238-270. \[5\] Chalmers, D. J. (1995). Facing up to the problem of consciousness. Journal of consciousness studies, 2(3), 200-219. \[6\] McGinn, C. (1989). Can we solve the mind–body problem?. Mind, 98(391), 349-366. \[7\] Nagel, T. (1974). What is it like to be a bat?. The philosophical review, 83(4), 435-450. \[8\] Hameroff, S. (2007). Quantum computation in brain microtubules? The Penrose–Hameroff ‘Orch OR’ model of consciousness. Philosophical Transactions of the Royal Society A, 365(1854), 3045-3060. \[9\] Bernroider, G., & Summhammer, J. (2005). Quantum tunneling in the transfer process of long-range electron transfer of biologically relevant systems. Journal of Computational and Theoretical Nanoscience, 2(6), 24-28. \[10\] Kak, S. (2018). Biological memories and agents as quantum collective excitations. NeuroQuantology, 16(3). \[11\] Beck, F., & Eccles, J. C. (1992). Quantum aspects of brain activity and the role of consciousness. Proceedings of the National Academy of Sciences, 89(23), 11357-11361. \[12\] Chalmers, D. J. (1996). The conscious mind: In search of a fundamental theory. Oxford university press. \[13\] Strawson, G. (2006). Realistic monism: why physicalism entails panpsychism. Journal of Consciousness Studies, 13(10-11), 3-31.