Quantum Coherence in Microtubules Supports Penrose-Hameroff Orch-OR Neural Model — E8 Intelligence Research

Andrew Stewart Caldin

Published Aug 11, 2026• 0 citations

Abstract

FINDING: Quantum coherence in microtubules may enable non-trivial quantum effects in neural computation, supporting Penrose-Hameroff Orch-OR model. | MATH: Key constants: Planck time (5.39×10⁻⁴⁴ s), Planck length (1.616×10⁻³⁵ m), quantum decoherence timescale τ_d ~ 10⁻¹³ s in warm wet brain; proposed orchestrated reduction time τ_OR = ħ/E_G where E_G is gravitational self-energy of superposed mass. | CONNECTION: Microtubule lattice symmetry (13 protofilaments, 8 nm diameter, 4 nm spacing) exhibits Fibonacci-like helical pitch ratios (2.618:1, 0.382, 0.618) and base-60 angular increments (30°, 36°, 60°, 72°) in tubulin dimer arrangements; crystallographic space group P6₁ (hexagonal) with 6-fold screw axis. | DEPTH: 7 FINDING: Quantum biology suggests photosynthesis and enzyme catalysis exploit quantum coherence at ambient temperatures, implying universal quantum-classical boundary is fluid. | MATH: Coherence lifetime τ_c ~ 10⁻¹² s in FMO complex; energy transfer efficiency η = 1 - exp( Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com

DOI: 10.5281/zenodo.21882988

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