The Path Ahead | p. 1 |
Definition and Fundamentals | p. 1 |
Definition of Consciousness and the Classical Approach | p. 2 |
Quantum Theories | p. 4 |
Quantum Processing by Microtubules and Neurocognition | p. 8 |
Overview of the Contributions | p. 11 |
New and Notable Developments | p. 17 |
An Electromagnetic Fingerprint of Transport Along Microtubules | p. 17 |
Extrapolations to Mesoscopic and Macroscopic Levels | p. 22 |
Conclusions | p. 23 |
References | p. 24 |
Consciousness and Quantum Physics: Empirical Research on the Subjective Reduction of the Statevector | p. 27 |
Introduction | p. 27 |
The Measurement Problem | p. 27 |
Objective Reduction and Consciousness | p. 29 |
Previous Empirical Work on Subjective Reduction | p. 30 |
Current Investigation | p. 33 |
Experimental Design | p. 33 |
Experimental Procedure | p. 36 |
Subjects | p. 36 |
Physiological Measurement | p. 36 |
Further Procedure | p. 36 |
Data Analysis | p. 37 |
Results | p. 38 |
Conclusions | p. 40 |
Further Research | p. 45 |
Appendix | p. 47 |
References | p. 47 |
Microtubules in the Cerebral Cortex: Role in Memory and Consciousness | p. 49 |
Introduction | p. 49 |
General Features of the Brain | p. 49 |
Neuronal Assemblies: Patterns of Connection | p. 51 |
Neurons, Synapses and Neurotransmitter Molecules | p. 52 |
Functions of Microtubules and MAPs | p. 56 |
Transport along Microtubules | p. 57 |
Signal Transduction and Anchoring of Signal-Transduction Molecules | p. 57 |
Learning and Memory: Neuroplasticity vs. Stability | p. 65 |
Synaptic Change: Hebb's Rule Revisited | p. 66 |
Microtubules and MAPs in Dendrites Play a Critical Role in Memory | p. 70 |
Microtubules Influence Synaptic Efficacy | p. 77 |
Consciousness | p. 77 |
Attention: The Spotlight of Consciousness | p. 78 |
Waking, Sleeping and Dreaming: Different Levels of Consciousness | p. 80 |
Mental Force to Think and Act | p. 81 |
Consciousness, Memory and Microtubules | p. 83 |
Microtubules and Quantum Entanglement: A Possible Basis for Memory and Consciousness | p. 85 |
Conclusion | p. 89 |
References | p. 90 |
Towards Experimental Tests of Quantum Effects in Cytoskeletal Proteins | p. 95 |
Introduction | p. 96 |
Overview | p. 96 |
Tubulin and Microtubules | p. 97 |
Motivation | p. 101 |
QED Model of Tubulin and its Implications | p. 102 |
Introduction | p. 102 |
Quantum Coherence in Biological Matter? | p. 105 |
Implications for Cell Function | p. 115 |
Conclusions | p. 120 |
Tau Accumulation in Drosophila Mushroom Body Neurons Results in Memory Impairment | p. 120 |
Introduction | p. 120 |
Drosophila | p. 121 |
Genetic Engineering | p. 123 |
Conditioning | p. 126 |
Controls | p. 128 |
Results | p. 132 |
Conclusions | p. 134 |
Discussion | p. 134 |
Refractometry, Surface Plasmon Resonance, and Dielectric Spectroscopy of Tubulin and Microtubules | p. 136 |
Theory of Dielectrics | p. 136 |
Optics | p. 141 |
Surface Plasmon Resonance (SPR) | p. 145 |
Dielectric Spectroscopy | p. 153 |
Emerging Directions of Experimental Tests of the Quantum Consciousness Idea | p. 159 |
Entanglement | p. 159 |
Molecular Electronics | p. 160 |
Proposed Further Research | p. 160 |
Unification of Concepts and Conclusions | p. 163 |
Putting It All Together | p. 163 |
Conclusions | p. 164 |
References | p. 165 |
Physicalism, Chaos and Reductionism | p. 171 |
Introduction | p. 171 |
Quantum and Classical Dynamics | p. 172 |
What Are Classical Nonlinear Phenomena? | p. 173 |
The Biological and Cognitive Hierarchies | p. 174 |
Reductionism | p. 177 |
Objections to Reductionism | p. 179 |
Constructionism versus Reductionism | p. 179 |
Immense Numbers of Possibilities | p. 180 |
Sensitive Dependence on Initial Conditions | p. 181 |
The Nature of Causality | p. 181 |
Nonlinear Causality | p. 183 |
The Nature of Time | p. 184 |
Downward Causation | p. 184 |
Open Systems | p. 185 |
Closed Causal Loops | p. 186 |
Concluding Comments | p. 188 |
References | p. 190 |
Consciousness, Neurobiology and Quantum Mechanics: The Case for a Connection | p. 193 |
Introduction: The Problems of Consciousness | p. 193 |
Time and Consciousness | p. 197 |
Is Consciousness Continuous or a Sequence of Discrete Events? | p. 197 |
The Timing of Conscious Experience | p. 198 |
Taking Backward Time Referral Seriously | p. 202 |
The Neural Correlate of Consciousness | p. 206 |
Functional Organization of the Brain | p. 206 |
Cerebral Cortex and Neuronal Assemblies | p. 208 |
Axons and Dendrites | p. 208 |
Neural Synchrony | p. 212 |
Gap-Junction Assemblies - "Hyperneurons" | p. 215 |
The Next NCC Frontier - Neuronal Interiors and the Cytoskeleton | p. 216 |
The Neuronal Cytoskeleton | p. 217 |
Microtubules and Networks inside Neurons | p. 217 |
Microtubule Automata | p. 220 |
Protein Conformational Dynamics - Nature's Bits and Qubits | p. 224 |
Anesthesia | p. 225 |
Quantum Information Processing | p. 226 |
Quantum Mechanics | p. 226 |
Quantum Computation | p. 228 |
Quantum Computing with Penrose OR | p. 229 |
The Quantum Unconscious | p. 230 |
Quantum Computation in Microtubules - The Orch OR Model | p. 232 |
Specifics of Orch OR | p. 232 |
Decoherence | p. 235 |
Testability and Falsifiability | p. 236 |
Applications of Orch OR to Consciousness and Cognition | p. 236 |
Visual Consciousness | p. 236 |
Volition and Free-Will | p. 238 |
Quantum Associative Memory | p. 239 |
The Hard Problem of Conscious Experience | p. 239 |
What is Consciousness? | p. 240 |
Consciousness and Evolution | p. 241 |
Conclusion | p. 242 |
Appendix | p. 242 |
References | p. 244 |
Life, Catalysis and Excitable Media: A Dynamic Systems Approach to Metabolism and Cognition | p. 255 |
Life and Robustness | p. 255 |
Life and Catalysis | p. 260 |
Catalysis, Traveling Waves and Excitable Media | p. 271 |
The Brain as an Excitable Medium | p. 274 |
Conclusion | p. 288 |
References | p. 289 |
The Dendritic Cytoskeleton as a Computational Device: An Hypothesis | p. 293 |
Introduction | p. 293 |
Neurobiological Introduction | p. 293 |
Neuro computational Introduction | p. 297 |
Dendritic Channel Function | p. 299 |
Actin-Microtubule Cytoskeletal Connections | p. 299 |
C-Termini in Microtubules | p. 301 |
Potential Configurations of Microtubular C-Termini | p. 303 |
Dynamic Model of the C-Termini | p. 305 |
Ionic Wave Propagation along MAP2 | p. 306 |
Ion Waves along Actin Filaments | p. 308 |
Ionic Condensation along the Actin Filament | p. 308 |
Electrical Modeling of Actin | p. 309 |
Implications of Actin Filament's Electrical Activity | p. 312 |
Dendritic Cytoskeleton Computation - Vision of Integration | p. 313 |
MTN Control of Synaptic Plasticity, Modulation, and Integration | p. 318 |
Final Statement | p. 320 |
References | p. 320 |
Recurrent Quantum Neural Network and its Applications | p. 327 |
Intelligence - Still Ill-Understood | p. 327 |
Intelligent Filtering - Denoising of Complex Signals | p. 328 |
RQNN Architecture used for Stochastic-Filtering | p. 329 |
Integration of the Schrodinger Wave Equation | p. 331 |
Simulation Results I | p. 333 |
A Comprehensive Quantum Model of Intelligent Behavior | p. 337 |
RQNN-based Eye-Tracking Model | p. 338 |
A Theoretical Quantum Brain Model | p. 338 |
An Eye-Tracking Model using RQNN with Nonlinear Modulation of Potential Field | p. 339 |
Simulation Results II | p. 342 |
Concluding Remarks | p. 347 |
References | p. 348 |
Microtubules as a Quantum Hopfield Network | p. 351 |
Introduction | p. 351 |
Microtubulin Model | p. 352 |
Hopfield Model | p. 354 |
Quantum Model | p. 355 |
Quantum Hopfield Network | p. 358 |
QHN as Information Propagator for a Microtubules Architecture | p. 360 |
Conclusions and Future Work | p. 367 |
References | p. 369 |
Consciousness and Quantum Brain Dynamics | p. 371 |
Deconstruction | p. 371 |
Quantum Brain Dynamics | p. 373 |
Hermitean Dual-Mode Quantum Brain Dynamics | p. 375 |
Non-Hermitean Dual-Mode Quantum Brain Dynamics | p. 376 |
Application to Mathematics: The Riemann Hypothesis | p. 377 |
Monadological Implications of Non-Hermitean Dual-Mode QBD | p. 381 |
Comment | p. 383 |
References | p. 384 |
The CEMI Field Theory: Seven Clues to the Nature of Consciousness | p. 387 |
Why Do we Need a Theory of Consciousness? | p. 387 |
Field Theories of Consciousness | p. 393 |
The Brain's Electromagnetic Field | p. 394 |
The Influence of the Brain's Electromagnetic Field on Neural Firing | p. 395 |
The CEMI Field Theory | p. 396 |
Why don't External Fields Influence our Minds? | p. 397 |
Does the CEMI Field Theory Account for the Seven Clues to the Nature of Consciousness? | p. 398 |
A Last Word, Concerning Quantum Theories of Consciousness | p. 401 |
Conclusions and the Way Forward | p. 404 |
References | p. 404 |
Quantum Cosmology and the Hard Problem of the Conscious Brain | p. 407 |
Subject-Object Complementarity and the Hard Problem | p. 407 |
Wave-Particle Complementarity, Uncertainty and Quantum Prediction | p. 410 |
Two-Timing Nature of Special Relativity | p. 415 |
Reality and Virtuality: Quantum Fields and Seething Uncertainty | p. 416 |
The Spooky Nature of Quantum Entanglement | p. 417 |
Quantum Match-Making: Transactional Supercausality and Reality | p. 420 |
Exploring the "Three Pound Universe" | p. 423 |
Chaos and Fractal Dynamics as a Source of Sensitivity, Unpredictability and Uncertainty | p. 428 |
Classical and Quantum Computation, Anticipation and Survival | p. 430 |
The Cosmic Primality of Membrane Excitation | p. 433 |
Chaotic Excitability and Quantum Sensitivity as a Founding Eucaryote Characteristic | p. 437 |
Models of the Global-Molecular-Quantum Interface | p. 440 |
Quantum Mind and Transactional Supercausality | p. 442 |
Complementarity and the Sexuality of Quantum Entanglement | p. 448 |
The Hard Problem: Subjective Experience, Intentional Will and Quantum Mind Theories | p. 449 |
Consciousness and Neurocosmology | p. 451 |
References | p. 454 |
Consciousness and Logic in a Quantum Computing Universe | p. 457 |
Introduction | p. 458 |
The "Big Wow" | p. 459 |
How the "Big Wow" Drove Human Minds | p. 461 |
Entanglement with the Environment | p. 463 |
Holography and Cellular Automata | p. 463 |
Consciousness and Tubulins/Qubits | p. 464 |
Consciousness Arises in the "Bits Era" | p. 465 |
The Boolean Observer | p. 465 |
The Analogy | p. 466 |
The Double Logic of the Observer Inside a Quantum Universe | p. 467 |
IT from Qubit: The Whole Universe as a Quantum Computer | p. 468 |
Quantum Minds and Black - Hole Quantum Computers in a Quantum Game | p. 469 |
Qualia and Quantum Space-Time | p. 470 |
Mathematical Intuition and the Logic of the Internal Observer | p. 473 |
The Self | p. 475 |
The Self and the Mirror Measurement | p. 475 |
Nonself | p. 476 |
The Universal Self: The Universe and the Mirror | p. 476 |
The Universal Self: The Mathematical Truth | p. 477 |
Conclusion | p. 477 |
References | p. 479 |
Index | p. 483 |
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