expected values: you’re going to get hungry if you stay in the dark room too long. Sensory entropy will start to grow, and non-existence will loom. Complex systems like living organisms need to allow some things to change in order for other things to stay the same. We have to move to get out of bed and make breakfast, and our blood pressure has to rise while doing so, so that we don’t faint. This matches the anticipatory form of predictive control – allostasis – that I mentioned in the previous chapter. Minimising sensory prediction error in the long run means getting out of the dark room, or
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