Konrad’s Substack
Konrad KordingRethinking Brains, Data, and Science
| Platform |  | Pricing | Only free issues | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 37 | Founded | a year ago | Last Issue | 2 months ago |
| Active | |||||
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kording.substack.comLatest Issues
Intelligence saturation
Here’s a thought experiment from my day job as a neuroscientist.
Imagine you’re trying to bat in baseball. Your brain does some genuinely impressive computation predicting trajectories, coordinating dozens of muscles, adjusting for wind an...
Evolution, Reward, Curiosity: The Three Sources of Learning Signals
I believe that right now, as you’re reading this, your brain is doing something that looks suspiciously like gradient descent. But on what? Your morning coffee decision? Your career trajectory? The meaning of life?
Fitness is the ul...
Forward vs Inverse problems: why high performance machine learning usually means little about how the world works
Someone trains a model, the held-out accuracy looks ok, usually “highly significant” but nowhere near product-grade, and the readers/audience is impressed. Then the story quietly shifts from “we can predict” to “we understand the mechanism....
What I built, what shifted my priors, and why I'm optimistic
It is January 2026. I am on a plane back to the US after a European vacation, and I am doing the only year-end review I trust: not “what did I publish,” but “what did I make more reliable.” Applied to 2025, that filter points to infrastruct...
The Electric Motor and the Drill - we use AI in the wrong way
Here is an electric motor. It spins. It is a marvel of engineering. You can put it on a table and watch it spin. And it is useless. To make it useful, you have to attach things to it. If you attach a fan blade, it cools you. Attach wheels a...
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Authors
The writers behind this newsletter.
@Penn Prof, deep learning, brains, causality, rigor, http://neuromatch.io, http://c4r.io, Transdisciplinary optimist, Dad, Loves outdoors, \ud83e\udd96
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