Chunk #338 — 4 Performance analysis — 4.2 Monte Carlo performance analysis of non-parametric inverse solutions — 4.2.3 Procedure — Current density estimate
For each scalp potential recording, the current density at each of the 755 voxels within the brain was estimated using the four different inverse solutions respectively. In order to analyze the effect of regularization on the solutions, the four methods were applied both without regularization and with regularization. For the latter case, Tikhonov regularization was used and the optimal value for the regularization parameter was found using the L-curve method. The MATLAB toolbox of Christian Hansen was used in this case [21].
