一个可解释的深度学习模型可以对儿童的睡眠状态进行分阶段,并提出睡眠呼吸暂停中与EEG相关的新型模式
Fernando Vaquerizo-Villar1, Gonzalo C Gutiérrez-Tobal1, Eva Calvo2
1Biomedical Engineering Group, University of Valladolid, Valladolid, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina, Instituto de Salud Carlos III, Valladolid, Spain.
Computers in biology and medicine
|September 13, 2023
概括
我们开发了一种可解释的深度学习模型,用于使用单通道EEG进行儿科睡眠分期. 这种可解释的AI方法提高了儿童睡眠呼吸暂停诊断的准确性和临床实用性.
科学领域:
- 计算神经科学是一种神经科学.
- 人工智能在医学中的应用
- 儿科睡眠医学 儿科睡眠医学
背景情况:
- 儿童睡眠评分的自动深度学习模型通常是黑子,阻碍了临床采用.
- 准确的睡眠分期对于诊断儿童阻塞性睡眠呼吸暂停 (OSA) 等疾病至关重要.
- 单通道脑电图 (EEG) 记录提供了一种不那么侵入性的睡眠评估方法.
研究的目的:
- 开发一种准确且可解释的深度学习模型,用于使用单通道EEG对儿童进行睡眠分期.
- 通过解决"黑子"问题,加强自动睡眠评分的临床实施.
- 识别和分析EEG模式,有助于睡眠阶段的分类.
主要方法:
- 利用了来自儿童腺切除术试验 (CHAT) 和临床睡眠数据库的EEG数据.
- 探索了三种深度学习架构,用于从单通道EEG进行自动化睡眠阶段分类.
- 应用梯度加权类激活映射 (Grad-CAM),一个可解释的AI (XAI) 算法,用于模型解释.
主要成果:
- 一个标准的卷积神经网络 (CNN) 在CHAT测试组中实现了最高的性能 (86.9%准确率,0.827五类卡帕).
- 基于CNN的总睡眠时间估计显示与临床数据有很强的一致性 (ICC=0.772).
- Grad-CAM有效地突出了每个睡眠阶段的关键EEG特征,并确定了可能被错误分类的时代.
结论:
- 基于CNN的深度学习模型可以准确地使用儿童的单通道EEG进行自动化睡眠分期.
- XAI方法为模型决策提供了关键的见解,增加了信任和潜在的临床采用.
- 这种可解释的模型有望改善儿科患者的睡眠呼吸暂停诊断和管理.
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