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. 2018 Nov 2;12:55. doi: 10.3389/fnint.2018.00055

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Copyright © 2018 Muñoz-Gutiérrez, Giraldo, Bueno-López and Molinas.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Original brain activity or ground truth (A), brain reconstruction based on raw EEG signals using MSP (B), and MSP-based mapping of IMF's resulting from EMD (C), EEMD (D), masking EMD (E), and multivariate EMD (F). For each case the temporal and spatial evolution is shown. At t = 1s occurs the 4 Hz activity, at t = 3s and t = 5s occur the 8 and 10 Hz activities respectively. The spurious activity observed in several spatial reconstructions represent either the mode mixing or mode splitting phenomena.