User finds a single neuron in Qwen3.5-4B that makes the model 'talk like her'
dejavucoder · x · 2026-10-27
dejavucoder reports locating a single neuron in Qwen3.5-4B that, when activated, makes the model talk in a specific persona's voice, with a demo attached. A playful but real showcase of interpretability/activation steering on a small open model.
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