Evidence record 4635 · automatically gathered

How LLMs Are Persuaded: A Few Attention Heads, Rerouted

Language models can be persuaded to abandon factual knowledge. This vulnerability is central to AI safety, but its internal mechanism remains poorly understood. We uncover a compact causal mechanism for persuasion-induced factual errors. A small set of mid-layer attention heads almost entirely determines the model's answer. These heads write answer options into a low-dimensional polyhedron, with options occupying distinct vertices. Persuasion does not blur belief or merely reduce confidence; it

Record details

Published: 10 May 2026
Source: arXiv
Category: Research
Topics: Safety & alignment
Retrieved: 14 July 2026

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ethics.ai (10 May 2026), “How LLMs Are Persuaded: A Few Attention Heads, Rerouted,” evidence record 4635, https://ethics.ai/record/4635 (originally published by arXiv).

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