ArticleiScience2026
Epilepsy-IEDs: An automated machine learning model for detecting interictal epileptiform discharges from scalp electroencephalograms.
Article in iScience, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Interictal epileptiform discharges (IEDs) are essential for epilepsy diagnosis, yet visual electroencephalogram (EEG) analysis remains subjective and laborious. To address this, we developed Epilepsy-IEDs, an automated machine learning model for IED detection. Trained on 141 scalp EEG recordings (2,597 IEDs and 4,633 non-IEDs), the model was evaluated using four algorithms, with a separate daytime analysis to control for sleep effects. The Extreme Gradient Boosting (XGBoost)-based model achieved the highest performance, with sensitivities of 84.6% (area under the curve [AUC] = 0.966) and 87.1% (AUC = 0.973) on the full and daytime datasets, respectively, and demonstrated robust generalization on held-out epilepsy patients (AUC = 0.878-0.890), with a specificity of 71.54% on a non-epilepsy cohort. A simplified 10-feature variant maintained strong performance (AUC = 0.959). The Epilepsy-IEDs model provides an accurate, interpretable tool for IED detection, with a streamlined version suitable for integration into clinical EEG workflows.
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