Summary: Link: https://slatestarcodex.com/2019/09/10/ssc-journal-club-relaxed-beliefs-under-psychedelics-and-the-anarchic-brain/ Thanks to Sarah H. and the people at her house for help understanding this paper] The predictive coding theory argues that the brain uses Bayesian calculations to make sense of the noisy and complex world around it. It relies heavily on priors (assumptions about what the world must be like given what it already knows) to construct models of the world,