Another path in the evolution of experience leads to integration. As streams of information come in from different senses, they are brought together into a single picture. This is vivid in our own case; we experience the world in a way that ties together what we see with what we hear and touch. Our experience is usually of a unified scene. This might seen inevitable, a consequence of having eyes and ears attached to the same brain, but it is not. It’s one way of being wired up, and some animals do not integrate their experience nearly as much as we do. For example, in many animals the eyes are
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