Summary: Wired wrote a good article about Karl Friston, the neuroscientist whose works I’ve puzzled over here before. Raviv writes: Friston’s free energy principle says that all life…is driven by the same universal imperative…to act in ways that reduce the gulf between your expectations and your sensory inputs. Or, in Fristonian terms, it is to minimize free energy. Put this way, it’s clearly just perceptual control theory. Powers describes the same insight like this:
