With every attempt to simulate or create a human-like intelligence, we’re confronted by a central unsolved question of neuroscience: how does something as rich as the subjective feeling of being me – the sting of pain, the redness of red, the taste of grapefruit – arise from billions of simple brain cells running through their operations? After all, each brain cell is just a cell, following local rules, running its basic operations. By itself, it can’t do much. So how do billions of these add up to the subjective experience of being me?
