Author

Ameen Abu-Hanna

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#machine learning Preprint Sep 2026

Investigating Linear Probe Robustness to Linguistic Register, Medical Specialty, and Corpus Shifts in Medical QA

The truth direction is largely stable within the medical domain but breaks under some corpus shifts, and question format does not explain the break, which suggests that the signal a linear probe recovers is partly bound to dataset structure rather than to medical knowledge alone.

Nishant Mishra, A. Abu-Hanna, Iacer Calixto · 0 citations

Review Open access Aug 2026

Explainability of decoder-only clinical large language models: A scoping review

Findings show that clinical LLM explainability has shifted toward fluent generative rationales, but evidence that such explanations reflect model reasoning remains limited, and three regulatory priorities are highlighted: prioritizing explanations that enable independent verification or logic auditing over plausibility...

Nishant Mishra, A. Abu-Hanna, Iacer Calixto · Artif. Intell. Medicine · 1 citation