Author

Owen Lewis

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Preprint Oct 2026

Causal Analysis of Robot Foundation Models Enables Efficiency Gains

Vision-language-action (VLA) models are a promising approach to general purpose robot manipulation. While the internal computation of vision-language models, which compose the backbone of VLAs, has been studied extensively, less is known about how their perceptual and semantic representations are transformed into actio...

Aiden Swann, Mathilde Papillon, Mozes Jacobs et al. · 0 citations

#artificial intelligence Preprint Oct 2026

Language Model Activations Inhabit Privileged Error-Correcting Basins

Language models exhibit remarkable robustness, continuing to produce coherent text even when their activations are perturbed by interventions like linear steering. We hypothesize that this robustness is a result of passive dynamics, i.e., constraining mechanisms in the forward pass that funnel activations toward"good"r...

Matthew Finlayson, Francisco Pernice, Eric Todd et al. · 0 citations