AI-Driven SEEG Channel Ranking for Epileptogenic Zone Localization

• URL: http://arxiv.org/abs/2506.09255v1
• Date: Fri, 23 May 2025 19:09:16 GMT
• Title: AI-Driven SEEG Channel Ranking for Epileptogenic Zone Localization
• Authors: Saeed Hashemi, Genchang Peng, Mehrdad Nourani, Omar Nofal, Jay Harvey,
• Abstract summary: We propose a machine learning approach to rank the impactful channels by incorporating clinician's selection and computational finding.<n>A classification model using XGBoost is trained to learn the discnative features of each channel during icrimital periods.<n>A channel extension strategy is also incorporated to expand the search space and identify suspicious epileptogenic zones.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Stereo-electroencephalography (SEEG) is an invasive technique to implant depth electrodes and collect data for pre-surgery evaluation. Visual inspection of signals recorded from hundreds of channels is time consuming and inefficient. We propose a machine learning approach to rank the impactful channels by incorporating clinician's selection and computational finding. A classification model using XGBoost is trained to learn the discriminative features of each channel during ictal periods. Then, the SHapley Additive exPlanations (SHAP) scoring is utilized to rank SEEG channels based on their contribution to seizures. A channel extension strategy is also incorporated to expand the search space and identify suspicious epileptogenic zones beyond those selected by clinicians. For validation, SEEG data for five patients were analyzed showing promising results in terms of accuracy, consistency, and explainability.

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