Chunk #132 — 3 Inverse solutions — 3.1 Non parametric optimization methods — 3.1.1 The Bayesian framework — Quadratic regularization and spatial regularization (S-MAP) using dipole intensity gradients

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Review on solving the inverse problem in EEG source analysis.

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In Quadratic regularization using dipole intensity gradients [4], L(D) = ||∇D||2 which results in a source estimator given by