A Free energy principle for the brain

Action, perception and free-energy (Thursday May 29th) Value-learning and perceptual learning have been an important focus over the past decade, attracting the concerted attention of experimental psychologists, neurobiologists and the machine learning community. Despite some formal connections; e.g., the role of prediction error in optimising some function of sensory states, both fields have developed their own rhetoric and postulates.  In work, we show that perceptual learning is, literally,...