The balance between prediction and prediction error, shown in figure 4-3, determines how much of your experience is rooted in the outside world versus inside your head. As you can see, in many cases, the outside world is irrelevant to your experience. In a sense, your brain is wired for delusion: through continual prediction, you experience a world of your own creation that is held in check by the sensory world. Once your predictions are correct enough, they not only create your perception and action but also explain the meaning of your sensations. This is your brain’s default mode. And
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