ideasthesia

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Ryan Collison

I write about cool science and share it here.

Quantum interference pattern visualized in cognitive probability space

Why Your Decisions Don't Follow Classical Logic: The Quantum Cognition Revolution

Series: Quantum Cognition | Part: 1 of 9 You walk into a casino with a simple strategy: bet on black. The roulette wheel has landed on red five times in a row. What do you do? If you’re like most people, you hesitate. Maybe you switch to red—it’s

Perceptual interface as geometric compression layer above computational substrate

Synthesis: Interface Theory and the Geometry of Meaning

Series: Interface Theory | Part: 10 of 10 Your perception is not a window. It’s a desktop. This isn’t metaphor—it’s Donald Hoffman’s mathematically rigorous conclusion after decades investigating evolutionary game theory and the fitness-beats-truth theorem. Evolution doesn’t shape perception to show you reality.

Conscious agent network with nested Markov blankets forming hierarchical consciousness structure

The Hard Problem Meets the Interface: Consciousness and Coherence

Series: Interface Theory | Part: 9 of 10 David Chalmers famously divided the study of consciousness into the “easy problems” and the “hard problem.” The easy problems—explaining attention, discrimination, reporting mental states—are functionally tractable. We can imagine computational or neural mechanisms that accomplish these tasks. The hard problem is

Multiple distinct perceptual interfaces as divergent manifold geometries

Neurodiversity as Interface Variation: Different Perceptual Manifolds

Series: Interface Theory | Part: 8 of 10 What if autism isn’t a deficit but a different desktop? What if ADHD doesn’t mean your attention is broken, but that your perceptual interface is optimized for different fitness payoffs? These aren’t rhetorical questions designed to make you feel better

Perceptual interface dissolving to reveal geometric scaffolding and form constants

Psychedelics and the Dissolution of the Interface

Series: Interface Theory | Part: 7 of 10 If reality is a user interface—not the truth but a useful fiction shaped by evolutionary pressure—then what happens when that interface breaks down? Psychedelic states offer something remarkable: not just altered perception, but systematic alterations that follow predictable patterns. Subjects report

Spacetime manifold dissolving to reveal underlying conscious agent network structure

Spacetime as Interface: How Physics Emerges from Conscious Agents

Series: Interface Theory | Part: 6 of 10 What if spacetime isn’t fundamental? What if the entire physical world—the arena in which physics plays out—is itself an interface property, a perceptual convenience evolved to simplify fitness-relevant information? This is Donald Hoffman’s most radical claim. Not just

Markov blanket as luminous boundary between internal coherent states and external complexity

Where Hoffman Meets Friston: Interfaces and Markov Blankets

Series: Interface Theory | Part: 5 of 10 When two of cognitive science’s most ambitious theorists arrive at the same conclusion from completely different directions, something interesting is happening. Donald Hoffman built Interface Theory to explain why evolution gives us fitness-relevant perception rather than truth. Karl Friston built the