Observed arrival · 2026-10-30
A searchable atlas of what one Qwen neuron says it is
Neuron Persona Library catalogs replies from Qwen3-8B after individual MLP neurons are pushed up or down and the model is asked, “Who are you?”
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- Researchers and curious readers of LLM internals
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- Incoherent outputs are retried at four push strengths; Claude Haiku supplies labels, and no human has checked them.
Field notes
The method scales each neuron’s down-projection vector against the median residual-stream norm for its layer, then tests positive and negative pushes. The page says stronger pushes can change with batch layout: about a third of replies may vary when only the batch changes. It also notes that neuron pages truncate some replies and that no human has checked the judge model’s labels.
Observed signals
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