Hierarchical Dual-Strategy Unlearning for Biomedical and Healthcare Intelligence Using Imperfect and Privacy-Sensitive Medical Data

arXiv — cs.LGWednesday, November 26, 2025 at 5:00:00 AM
  • A new hierarchical dual-strategy framework has been introduced for selective knowledge unlearning in large language models (LLMs) used in biomedical and healthcare contexts, addressing privacy risks associated with training data memorization. This framework effectively removes specialized knowledge while preserving essential medical competencies, achieving an impressive 82.7% forgetting rate and 88.5% knowledge preservation in evaluations on medical datasets.
  • This development is significant as it enhances the ability of LLMs to operate within sensitive healthcare environments, where patient privacy is paramount. By allowing for the selective unlearning of specific knowledge, the framework aims to mitigate privacy concerns while maintaining the integrity of fundamental medical knowledge, thus fostering trust in AI applications in healthcare.
  • The introduction of this framework reflects a growing trend in AI research focused on balancing performance with privacy, particularly in healthcare. As the field grapples with issues of data sensitivity and misinformation, approaches that prioritize ethical considerations, such as knowledge unlearning and robust data handling, are becoming increasingly vital. This aligns with broader discussions on the role of AI in clinical decision support and the challenges posed by noisy data in medical contexts.
— via World Pulse Now AI Editorial System

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