Orchestrated objective reduction (Orch-OR) is a theory of consciousness, which is the joint work of theoretical physicist, Sir Roger Penrose, and anesthesiologist Stuart Hameroff. Mainstream theories assume that consciousness emerges from the brain, and focus particularly on complex computation at synapses that allow communication between neurons. Orch-OR combines approaches to the problem of consciousness from the radically different angles of mathematics, physics and anesthesia.
Penrose and Hameroff initially developed their ideas quite separately from one another, and it was only in the 1990s that they cooperated to produce the Orch-OR theory. Penrose came to the problem from the view point of mathematics and in particular Gödel's theorem, while Hameroff approached it from a career in cancer research and anesthesia that gave him an interest in brain structures.
Read more about Orchestrated Objective Reduction: The Penrose–Lucas Argument, The Quantum Level, Objective Reduction, The Creation of The Orch-OR Model, Criticism
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