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English(EN) Reinforcement Learning over Patient Trajectories for Clinical Reasoning in EHR Foundation Models

强化学习增强电子健康记录基础模型的临床推理能力

研究人员开发了一个新的强化学习(RL)框架,以增强在电子健康记录(EHR)上训练的基础模型的临床推理能力。该方法将EHR基础模型视为生成策略,将临床预测任务制定为事件条件、时间窗口化的推理问题。该框架结合了时间感知奖励,以考虑有限的推出长度和不确定的结果,在现有预训练模型和强基线模型上均显示出持续的改进。值得注意的是,这种RL微调使较小的模型在数据受限的情况下能够优于较大的模型,并促进了不同临床任务之间的积极知识转移。 AI

影响 这项研究可能带来更准确、更可靠的临床决策支持系统,从而改善患者护理和治疗效果。

排序理由 该集群包含一篇详细介绍AI模型新研究方法的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.LG 阅读 →

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强化学习增强电子健康记录基础模型的临床推理能力

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报道来源 [1]

  1. arXiv cs.LG TIER_1 English(EN) · Yuxin Xiao, Sheng Zhang, Chandan Singh, Tristan Naumann, Hoifung Poon, Jianfeng Gao, Xiaodong Liu ·

    基于电子病历基础模型的患者轨迹强化学习用于临床推理

    arXiv:2609.12277v1 Announce Type: new Abstract: Electronic health record (EHR) foundation models trained on longitudinal patient trajectories have demonstrated strong performance across diverse clinical prediction tasks. However, their clinical reasoning capabilities remain const…