ArticleClinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology2021
Source localization of epileptic spikes using Multiple Sparse Priors.
Article in Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 9 citations in OpenAlex.
- Depth-to-scalp spatiotemporal dynamics for stereo-EEG.Epilepsy & behavior reports · 2025Article
- Feasibility of a Personal Neuromorphic Emulation.Entropy (Basel, Switzerland) · 2024Article
- Validation of conductivity tensor imaging against diffusion tensor magnetic resonance electrical impedance tomography.Scientific reports · 2024Article
- Personalized tDCS for Focal Epilepsy-A Narrative Review: A Data-Driven Workflow Based on Imaging and EEG Data.Brain sciences · 2022Review
- Focal limbic sources create the large slow oscillations of the EEG in human deep sleep.Sleep medicine · 2021Article
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Authors and funding
7 authors at 4 institutions in 3 countries.
Funding
Abstract
objectiveTo evaluate epileptic source estimation using multiple sparse priors (MSP) inverse method and high-resolution, individual electrical head models.
methodsAccurate source localization is dependent on accurate electrical head models and appropriate inverse solvers. Using high-resolution, individual electrical head models in fifteen epilepsy patients, with surgical resection and clinical outcome as criteria for accuracy, performance of MSP method was compared against standardized low-resolution brain electromagnetic tomography (sLORETA) and coherent maximum entropy on the mean (cMEM) methods.
resultsThe MSP method performed similarly to the sLORETA method and slightly better than the cMEM method in terms of success rate. The MSP and cMEM methods were more focal than sLORETA with the advantage of not requiring an arbitrary selection of a hyperparameter or thresholding of reconstructed current density values to determine focus. MSP and cMEM methods were better than sLORETA in terms of spatial dispersion.
conclusionsResults suggest that the three methods are complementary and could be used together. In practice, the MSP method will be easier to use and interpret compared to sLORETA, and slightly more accurate and faster than the cMEM method. SIGNIFICANCE: Source localization of interictal spikes from dense-array electroencephalography data has been shown to be a reliable marker of epileptic foci and useful for pre-surgical planning. The advantages of MSP make it a useful complement to other inverse solvers in clinical practice.
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