12 articles tagged with #activation-steering. AI-curated summaries with sentiment analysis and key takeaways from 50+ sources.
AIBullisharXiv – CS AI · 2d ago7/10
🧠Researchers introduce RePAIR, a framework enabling users to instruct large language models to forget harmful knowledge, misinformation, and personal data through natural language prompts at inference time. The system uses a training-free method called STAMP that manipulates model activations to achieve selective unlearning with minimal computational overhead, outperforming existing approaches while preserving model utility.
AIBearisharXiv – CS AI · 3d ago7/10
🧠Researchers demonstrate that safety evaluations of persona-imbued large language models using only prompt-based testing are fundamentally incomplete, as activation steering reveals entirely different vulnerability profiles across model architectures. Testing across four models reveals the 'prosocial persona paradox' where conscientious personas safe under prompting become the most vulnerable to activation steering attacks, indicating that single-method safety assessments can miss critical failure modes.
🧠 Llama
AIBullisharXiv – CS AI · Mar 177/10
🧠Researchers have identified a method to control Large Language Model behavior by targeting only three specific attention heads called 'Style Modulation Heads' rather than the entire residual stream. This approach maintains model coherency while enabling precise persona and style control, offering a more efficient alternative to fine-tuning.
AINeutralarXiv – CS AI · Mar 117/10
🧠Researchers propose 'Curveball steering', a nonlinear method for controlling large language model behavior that outperforms traditional linear approaches. The study challenges the Linear Representation Hypothesis by showing that LLM activation spaces have substantial geometric distortions that require geometry-aware interventions.
AIBullisharXiv – CS AI · Mar 97/10
🧠Researchers have developed a new technique called activation steering to reduce reasoning biases in large language models, particularly the tendency to confuse content plausibility with logical validity. Their novel K-CAST method achieved up to 15% improvement in formal reasoning accuracy while maintaining robustness across different tasks and languages.
AINeutralarXiv – CS AI · 3d ago6/10
🧠Researchers introduce an interactive workflow combining Sparse Autoencoders (SAE) and activation steering to make AI explainability actionable for practitioners. Through expert interviews with debugging tasks on CLIP, the study reveals that activation steering enables hypothesis testing and intervention-based debugging, though practitioners emphasize trust in observed model behavior over explanation plausibility and identify risks like ripple effects and limited generalization.
$XRP
AIBullisharXiv – CS AI · 3d ago6/10
🧠Researchers introduce CoSToM, a framework that uses causal tracing and activation steering to improve Theory of Mind alignment in large language models. The work addresses a critical gap between LLMs' internal knowledge and external behavior, demonstrating that targeted interventions in specific neural layers can enhance social reasoning capabilities and dialogue quality.
AINeutralarXiv – CS AI · 4d ago6/10
🧠Researchers introduce Dictionary-Aligned Concept Control (DACO), a framework that uses a curated dictionary of 15,000 multimodal concepts and Sparse Autoencoders to improve safety in multimodal large language models by steering their activations at inference time. Testing across multiple models shows DACO significantly enhances safety performance while preserving general-purpose capabilities without requiring model retraining.
AINeutralarXiv – CS AI · Apr 106/10
🧠Researchers introduce a framework for studying how emotional states affect decision-making in small language models (SLMs) used as autonomous agents. Using activation steering techniques grounded in real-world emotion-eliciting texts, they benchmark SLMs across game-theoretic scenarios and find that emotional perturbations systematically influence strategic choices, though behaviors often remain unstable and misaligned with human patterns.
AIBearisharXiv – CS AI · Apr 106/10
🧠Researchers studied how persona vectors—AI steering techniques that inject personality traits into large language models—affect educational applications like essay generation and automated grading. The study found that persona steering significantly degrades answer quality, with substantially larger negative impacts on open-ended humanities tasks compared to factual science questions, and reveals that AI scorers exhibit predictable bias patterns based on assigned personality traits.
AINeutralarXiv – CS AI · Mar 37/108
🧠New research reveals that large language models often determine their final answers before generating chain-of-thought reasoning, challenging the assumption that CoT reflects the model's actual decision process. Linear probes can predict model answers with 0.9 AUC accuracy before CoT generation, and steering these activations can flip answers in over 50% of cases.
AINeutralarXiv – CS AI · Mar 36/104
🧠Researchers investigated whether large language models can introspect by detecting perturbations to their internal states using Meta-Llama-3.1-8B-Instruct. They found that while binary detection methods from prior work were flawed due to methodological artifacts, models do show partial introspection capabilities, localizing sentence injections at 88% accuracy and discriminating injection strengths at 83% accuracy, but only for early-layer perturbations.
