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Part 1: Sir Roger Penrose & Stuart Hameroff: What is Consciousness? (#247)

Into the Impossible With Brian Keating

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Anatomy of the Brain and Anaesthetics

Most drugs are polar, that is, they have charges. They bind to chargea receptors on the surface of tef celves. Anaesthetics are completely different. They are non polar. They are hydrophobic and go to places where water doesn't go. Even inert gas zenon is an anaesthetic. It goes to these places in the brain that have these non polarpiresen ring rings. In fact, they bind all over the body, in fat stores. There's more anaesthetic in a patient's rear end than in their brain. But obviously it works in the brain. Just like there's a lot antesthetic in the membranes and lipids in the brain

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