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Poster De Conférence Année : 2017

Inverse source estimation problem in EEG

Résumé

Being given pointwise measurements of the electric potential taken by electrodes on part of the scalp, the EEG (electroencephalography) inverse problem consists in estimating current sources within the brain that account for this activity. A model for the behaviour of the potential rests on Maxwell equation in the quasi-static case, under the form of a Poisson-Laplace equation. We describe our approach for solving the inverse problem in spherical geometry, for piecewise constant electric conductivity values, and pointwise dipolar source terms.
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Dates et versions

hal-03472757 , version 1 (09-12-2021)
hal-03472757 , version 2 (10-12-2021)

Identifiants

  • HAL Id : hal-03472757 , version 2

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Maureen Clerc, Juliette Leblond, Jean-Paul Marmorat, Théo Papadopoulo. Inverse source estimation problem in EEG. BaCI 2017 - Basic and Clinical Multimodal Imaging, Aug 2017, Bern, Switzerland. ⟨hal-03472757v2⟩
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