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arXiv 2410.03385cs.LGq-bio.NC
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从癫痫发作分类到检测:基于深度学习的原始EEG信号处理方法

From Epilepsy Seizures Classification to Detection: A Deep Learning-based Approach for Raw EEG Signals

SynapCell SAS;Univ. Grenoble Alpes, CNRS, Grenoble INP, LJK(格陵兰大学阿尔卑斯分校、国家科学研究中心、格陵兰理工学院、LJK)

Davy Darankoum, Manon Villalba, Clelia Allioux, Baptiste Caraballo, Carine Dumont, Eloise Gronlier, Corinne Roucard, Yann Roche, Chloe Habermacher, Sergei Grudinin, Julien Volle

AI总结:

本文提出基于深度学习的原始EEG信号处理方法,用于癫痫发作检测与分类,通过预处理、后处理及严格评估流程提升检测准确性,并在跨物种验证中表现优异。

摘要:

癫痫是全球最普遍的神经系统疾病之一。三分之一的颞叶癫痫患者对药物治疗无效,亟需开发新疗法。抗癫痫药物开发的关键在于检测和量化EEG信号中的癫痫发作,这对评估治疗效果至关重要。本文介绍了一种基于深度学习模型的癫痫检测流程,该流程整合了新的预处理技术,用于分割连续原始EEG信号而不区分发作与非发作活动;后处理算法用于重新组装EEG段并识别发作起始/结束;以及基于严格发作事件比较的新型评估方法。模型训练使用了数据分割策略以避免数据泄露。本文展示了发作分类与检测任务的根本差异,并展示了两者性能差异。最后,本文展示了最佳架构在跨物种中的泛化能力,结合了卷积神经网络和Transformer编码器。模型在动物EEG上训练,在人类EEG上测试,于平衡的Bonn数据集上达到93%的F1分数。

英文摘要:

Epilepsy represents the most prevalent neurological disease in the world. One-third of people suffering from mesial temporal lobe epilepsy (MTLE) exhibit drug resistance, urging the need to develop new treatments. A key part in anti-seizure medication (ASM) development is the capability of detecting and quantifying epileptic seizures occurring in electroencephalogram (EEG) signals, which is crucial for treatment efficacy evaluation. In this study, we introduced a seizure detection pipeline based on deep learning models applied to raw EEG signals. This pipeline integrates: a new pre-processing technique which segments continuous raw EEG signals without prior distinction between seizure and seizure-free activities; a post-processing algorithm developed to reassemble EEG segments and allow the identification of seizures start/end; and finally, a new evaluation procedure based on a strict seizure events comparison between predicted and real labels. Models training have been performed using a data splitting strategy which addresses the potential for data leakage. We demonstrated the fundamental differences between a seizure classification and a seizure detection task and showed the differences in performance between the two tasks. Finally, we demonstrated the generalization capabilities across species of our best architecture, combining a Convolutional Neural Network and a Transformer encoder. The model was trained on animal EEGs and tested on human EEGs with a F1-score of 93% on a balanced Bonn dataset.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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