Until March, I didn’t really understand Predictive Processing (also known as Predictive Coding and the Bayesian Brain), or the theory of the brain as a prediction machine. It wasn’t from a lack of effort—I’d been reading and studying about it for years!—but, for whatever reason, none of the disparate lectures I’d watched and books I’d read on Predictive Processing ever really clicked in a way that made intuitive sense to me. It wasn’t until I watched the video that inspired th...