Active inference 1 Bayesian brain Bayesian inference 1 Bayesian models 1 Epistemology 1 Free energy principle 1 Generative model 1 Hierarchical inference 1 Markov blanket 1 Mechanisms 1 Percep-tion 1 Perceptual inference 1 Philosophy of cognitive science 1 Philosophy of mind 1 Pre-diction 1 Precision 1 Prediction error 1 Predictive processing 1 Top-down processing 1