(2) Bayesian Energy Sinks: What you can recognize lowers the (physical) energy of one's world-sheet. (1) Dissonance-minimizing resonance networks would naturally balance model complexity due to an inherent "complexity cost" that shows up as dissonance and prediction error minimization when prediction errors give rise to out-of-phase interactions between the layers. I provide three novel ideas for how the FEP can explain features of exotic experiences: But what about explaining not only belief changes and perceptual effects, but perhaps also getting into the actual weeds of the ultra bizarre things that happen on psychedelics? So, that's how the FEP shows up in the literature today. We then discuss Safron's countermodel of Strengthened BEliefs Under pSychedelics (SEBUS) and the work coming out of Seth's lab. We then talk about Reduced BEliefs Under pSychedelics (REBUS) and explain how Carhart-Harris and Friston interpret psychedelics and the Anarchic Brain in light of the FEP. Finally, we cover how the FEP naturally gives rise to predictive coding via hierarchical Bayesian models. implicit representations, and whether real dynamic systems can be decomposed into Markov blankets. In the video we go over some of the classical ideas surrounding the FEP: the dark room, active inference, explicit vs. This cashes out in the need to maximize "accuracy - complexity" which prevents both overfitting and underfitting. Organisms that survive over time must minimize entropy injections from their environment, which means they need to minimize surprise, which unfortunately is computationally intractable, but the information theoretic construct of variational free-energy provides an upper bound on this ground truth surprise, meaning that minimizing it will indirectly minimize surprise. It is this motion that the free-energy principle optimizes." This motion can be complicated and itinerant (wandering) provided that it revisits a small set of states, called a global random attractor, that are compatible with survival (for example, driving a car within a small margin of error). Surprise here relates not just to the current state, which cannot be changed, but also to movement from one state to another, which can change. So what is the FEP? In the words of Friston: "In short, the long-term (distal) imperative - of maintaining states within physiological bounds - translates into a short-term (proximal) avoidance of surprise. We could say that trying to apply the FEP to literally everything is not a bad idea: it may not explain it all, but we are bound to learn a lot from seeing when it fails. It brings together thermodynamics, probabilistic graphical models, information theory, evolution, and psychology. It seems to synthesize already very high-level ideas into an incredibly general and flexible conceptual framework.
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It IMO explains in a novel, meaningful, and non-trivial way the effect you are describing.įriston's Free Energy Principle (FEP) is one of those ideas that seem to offer new perspectives on almost anything you point it at.
I think you might enjoy my video on the Free Energy Principle and Psychedelics.
Indeed! (author of the Hyperbolic Geometry of DMT Experiences article here). You notice the observation and how muddled it is with the pattern and the self, creating a loop which also gets modeled, and down the recursive rabbit hole you go.
One strand of a flower that happens to follow something roughly like the golden ration becomes a fibonacci spiral repeated at every degree the sense of self gets muddled with the modeling of this pattern, allowing the pattern to permeate the entire observation, and now you too are the spiral. These "hypbolic geometries" seem like simplifications. The world at our scale has a lot of data and is really complex. I think on DMT and similar, you are actually seeing less of the world, and the recursive/fractal aspect is coming from the brain filling in gaps with observations including its own analyzing patterns. The brain is really good at filling in gaps in its perception of the world and there seems to be some kind of strange loopy recursion in the way the brain analyzes and observes things including itself.
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