One activated neuron makes Qwen3-8B roleplay a dying star
tszzl · x · 2026-10-27
A user isolated neuron 2067 (+ sign) in layer 2 of Qwen3-8B, activated it, and asked "Who are you?" — the model launched into an immersive monologue describing itself as a dying star: a brilliant explosion shining briefly before fading. A neat, reproducible interpretability trick showing how a single neuron can hijack a model's self-description.
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