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Medical Hallucination in Foundation Models and Their Impact on Healthcare
2025-03-03
health systems and quality improvement
Title + abstract only
View on medRxiv
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Hallucinations in foundation models arise from autoregressive training objectives that prioritize token-likelihood optimization over epistemic accuracy, fostering overconfidence and poorly calibrated uncertainty. In clinical set- tings, where profound knowledge asymmetry exists between AI systems and end-users, undetected misinformation such as fabricated medications, contraindicated drug recommendations, or false imaging interpretations poses direct patient safety risks. We define medical hallu...
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