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2025年4月9日,《Nature》发布了谷歌DeepMind团队开发的医疗对话AI系统AMIE。这款基于大语言模型的诊断智能体通过自对弈模拟训练,不仅在与20位全科医生的盲测对决中取得压倒性优势,更展现出超乎预期的“同理心”。

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(图片来源:《Nature》)

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2025年4月9日,《Nature》发布了谷歌DeepMind团队开发的医疗对话AI系统AMIE。这款基于大语言模型的诊断智能体通过自对弈模拟训练,不仅在与20位全科医生的盲测对决中取得压倒性优势,更展现出超乎预期的“同理心”。

. AI系统AMIE诊断精度与共情能力超人类医生. 科技导报, 2025 , 43 (8) : 9 -9 .
. Science & Technology Review, 2025 , 43 (8) : 9 -9 .
2025年4月9日,《Nature》发布了谷歌DeepMind团队开发的医疗对话AI系统AMIE。这款基于大语言模型的诊断智能体通过自对弈模拟训练,不仅在与20位全科医生的盲测对决中取得压倒性优势,更展现出超乎预期的“同理心”。
研究团队设计了一场特殊的“全科考试”,159个真实病例通过专业演员模拟在线问诊。(1)诊断能力:AMIE的初步诊断准确率(top1)超医生25%,10大候选诊断覆盖率达93%(医生为80%);(2)对话质量:在专科医生评估的32项指标中,AMIE在30项领先,特别是在结构化信息采集、鉴别诊断完整性表现突出;(3)医患关系:患者评价显示,AI在25/ 26项沟通指标中更优,包括解释清晰度、共情表达和避免专业术语。
研究团队采用“医学版Al‐ phaGo”训练法,包括自对弈沙盒(AI医生与AI患者动态生成数万条跨专科病例对话)、反思链机制(每轮问诊即时生成鉴别诊断逻辑,增强推理透明度)和多维评价体系(包括专科医生双盲评审、患者体验问卷及AI自动评估三重验证)。
该研究也指出了局限性,如文本聊天界面与常规医疗实践有差异、模拟患者未涵盖所有情况等。尽管如此,这一成果仍为医疗人工智能的发展带来曙光,未来,AI有望在医疗领域发挥更大作用,助力提升医疗服务水平。
(来源《Nature》)

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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
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