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Modeling Clinical Decision Variability in Explainable Multimodal Seizure Detection
Proceedings of the 4th Machine Learning for Health Symposium, PMLR 259:61-72, 2025.
Abstract
Electroencephalography (EEG) plays a critical role in the monitoring and diagnosis of neurological disorders, particularly in detecting seizures and other harmful brain activities. However, interpreting EEG signals is a complex task that often suffers from high variability and subjectivity among clinical experts. This study introduces the BiG-WaR architecture, a comprehensive multimodal framework designed to classify harmful brain activity using EEG signals. BiG-WaR combines several neural network models, including BiLSTM, GNN, WaveNet, and ResNet, to effectively leverage spatial and temporal dynamics inherent in EEG data. Our approach integrates curriculum learning and appropriate data preprocessing to address the challenges of EEG analysis, such as high variability and the need for robust feature extraction. Initial results demonstrate that BiG-WaR framework is a robust benchmark, enhancing reliability and interpretability—critical factors for clinical adoption—by integrating attention mechanisms and gradient-weighted class activation mappings to provide insights into model decisions.