Penrose, Roger. (1994). Shadows of the Mind: A Search for the Missing Science of Consciousness.
Overview:
In Shadows of the Mind, Sir Roger Penrose challenges the prevailing assumption that human consciousness can be fully explained by classical physics or computational theory. He proposes that consciousness arises from quantum processes within the brain, particularly in microtubules, which are tiny structures inside neurons.
This idea laid the groundwork for the Orch-OR Theory (Orchestrated Objective Reduction), later developed in collaboration with anesthesiologist Stuart Hameroff. The theory suggests that consciousness is non-computable and rooted in quantum events, which may persist after death in a non-local form.
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