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Refusal direction is a concept in mechanistic interpretability research: in aligned language models, the activation difference between refusing harmful requests and complying with requests can be projected onto a low-dimensional direction, and moving activations along this direction can significantly change the model's refusal tendency.
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11/5/2026
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UnverifiedUsing an external dedicated answer selector for abstention decisions may be more practical and controllable than directly fine-tuning a model to internalize abstention.75% similarUnverifiedDowngrading rejection from a veto condition to a neutral expectation is referred to in psychology as "anticipatory acceptance."74% similarUnverifiedIn the minimal group allocation paradigm, model refusal behavior emerged as the primary finding, with safety mechanisms intervening and dominating outcome selection.73% similarVerifiedThe core principle of abliteration is to identify the direction in model weights responsible for refusal behavior and remove it, without requiring retraining.72% similarUnverifiedLow alignment not only weakens the effect but can reverse the direction of intervention, directly suppressing the expression of the concept.72% similar
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