A practising anaesthetist routinely turns off and restores the consciousness of his patients daily. But theories about the mechanism of action of anaesthetic agents and drugs on the brain always reach an impasse because orthodox science does not have an understanding of the exact nature of consciousness. Dr Graham Grant looks at the situation and considers that the one area of study that can possibly advance our insight in this regard is psychical research. Recognising that most people have little or no proper knowledge in this field, he gives a brief introduction and summary of some of the...