Quantum computation in brain microtubules: decoherence and biological feasibility.

@article{Hagan2002QuantumCI,
  title={Quantum computation in brain microtubules: decoherence and biological feasibility.},
  author={S. Hagan and S. Hameroff and J. Tuszynski},
  journal={Physical review. E, Statistical, nonlinear, and soft matter physics},
  year={2002},
  volume={65 6 Pt 1},
  pages={
          061901
        }
}
The Penrose-Hameroff orchestrated objective reduction (orch. OR) model assigns a cognitive role to quantum computations in microtubules within the neurons of the brain. Despite an apparently "warm, wet, and noisy" intracellular milieu, the proposal suggests that microtubules avoid environmental decoherence long enough to reach threshold for "self-collapse" (objective reduction) by a quantum gravity mechanism put forth by Penrose. The model has been criticized as regards the issue of… Expand

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