To begin with, and just to clear the air of any suspicion that in talking about consciousness we are referring to some mysterious process, we should recognize that, like every other dimension of human behavior, it is the result of biological processes. It exists only because of the incredibly complex architecture of our nervous system, which in turn is built up according to instructions contained in the protein molecules of our chromosomes. At the same time, we should also recognize that the way in which consciousness works is not entirely controlled by its biological programming—in many
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