Learning, Potential, and Retention: An Approach for Evaluating Adaptive AI-Enabled Medical Devices

• URL: http://arxiv.org/abs/2604.04878v1
• Date: Mon, 06 Apr 2026 17:27:02 GMT
• Title: Learning, Potential, and Retention: An Approach for Evaluating Adaptive AI-Enabled Medical Devices
• Abstract summary: This work addresses challenges in evaluating adaptive artificial intelligence (AI) models for medical devices.<n>We introduce a novel approach with three complementary measurements: learning (model improvement on current data), potential (dataset-driven performance shifts), and retention (knowledge preservation across modification steps)<n>Case studies using simulated population shifts demonstrate the approach's utility, while rapid shifts reveal trade-offs between plasticity and stability.
• Score: 2.2975420753582028
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This work addresses challenges in evaluating adaptive artificial intelligence (AI) models for medical devices, where iterative updates to both models and evaluation datasets complicate performance assessment. We introduce a novel approach with three complementary measurements: learning (model improvement on current data), potential (dataset-driven performance shifts), and retention (knowledge preservation across modification steps), to disentangle performance changes caused by model adaptations versus dynamic environments. Case studies using simulated population shifts demonstrate the approach's utility: gradual transitions enable stable learning and retention, while rapid shifts reveal trade-offs between plasticity and stability. These measurements provide practical insights for regulatory science, enabling rigorous assessment of the safety and effectiveness of adaptive AI systems over sequential modifications.

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