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Shahram Rahimi

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Preprint Aug 2026

Gated Activation Steering for Reducing Sycophancy&Hallucination in Medical Question Answering

Sycophancy and hallucination are persistent failure modes of Large Language Models (LLMs) across domains. However, it becomes particularly consequential in clinical question answering, where responses must remain grounded in the provided context and robust to user pressure. Hallucination can introduce information that...

Himanshu Tripathi, Subash Neupane, Shaswata Mitra et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Can LLMs Reason Over Long Horizons? An Empirical Evaluation of Context Strategies for Longitudinal Clinical Reasoning

Longitudinal clinical reasoning requires large language models (LLMs) to identify and integrate relevant evidence distributed across extended patient histories. Although long-context models can process increasingly large amounts of information, providing more history does not necessarily make relevant evidence more acc...

Taye Akinrele, Noorbakhsh Amiri Golilarz, Subash Neupane et al. · 0 citations

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