ideasthesia

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Ryan Collison

I write about cool science and share it here.

Self-producing network maintaining its own organization—autopoietic closure

The Biologists Who Redefined Life: Maturana, Varela, and the Autopoietic Revolution

Series: Autopoiesis and Second-Order Cybernetics | Part: 1 of 11 In 1972, two Chilean biologists published a paper that would fundamentally challenge how we understand what it means to be alive. Humberto Maturana and Francisco Varela weren’t trying to start a revolution. They were trying to answer a deceptively

Distributed coherence across body-environment—4E integration with AToM

Synthesis: 4E Cognition and the Distributed Nature of Coherence

Series: 4E Cognition | Part: 9 of 9 Cognitive science started with a simple assumption: cognition happens in brains. Minds are neural computation. Intelligence is information processing in skulls. Everything else—bodies, environments, tools, other people—is input, output, or implementation detail. Then researchers started actually looking at how cognition works

Neurodiversity through 4E lens—different embodiments creating different minds

4E Cognition and Neurodiversity: Different Bodies, Different Minds

Series: 4E Cognition | Part: 8 of 9 The medical model says autism is a disorder of social cognition. The deficit is in the brain—impaired theory of mind, broken mirror neurons, under-connectivity in social networks. The 4E perspective asks: what if autism isn’t a broken brain but a

Active inference unifying 4E cognition—free energy minimization across body-environment

4E Meets Active Inference: Embodied Free Energy Minimization

Series: 4E Cognition | Part: 7 of 9 For decades, 4E cognition and computational neuroscience lived in separate intellectual worlds. 4E theorists emphasized phenomenology, embodiment, and dynamical systems. Computational neuroscientists built models of neural processing, Bayesian inference, and information theory. They barely cited each other. Then Karl Friston formalized the Free

Contested boundaries of cognition—where does mind end and world begin

The Boundaries of Mind: Where Does Cognition Stop?

Series: 4E Cognition | Part: 6 of 9 If Otto’s notebook is part of his mind, what about the library down the street? If your smartphone extends your cognition, what about Google’s servers storing the information you access? If a team’s distributed cognition includes shared documents, does it

Mind extending into tools and technologies—cognitive boundaries dissolving

Extended Cognition: When Mind Leaks Into the World

Series: 4E Cognition | Part: 5 of 9 Otto has Alzheimer’s. His biological memory is failing. But Otto functions remarkably well because he carries a notebook everywhere, writing down appointments, addresses, and information he needs. When Otto looks up a phone number in his notebook and calls someone, is he

Perception-action loops bringing forth meaning through engagement

Enacted Cognition: Bringing Forth a World

Series: 4E Cognition | Part: 4 of 9 Move your head side to side. Notice how the world stays stable even though your retinal image shifts dramatically. Now push your eyeball gently from the side (through closed eyelid). The world jumps. Same retinal displacement. Different perception. Why? In the first case,