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. Author manuscript; available in PMC: 2007 Jul 1.
Published in final edited form as: IEEE Eng Med Biol Mag. 2006;25(4):46–53. doi: 10.1109/memb.2006.1657787

Fig. 5.

Fig. 5

Typical examples of effects of fMRI invisible and fMRI extra sources on three cortical source imaging methods: EEG-alone weighted minimum norm, 90% fMRI-constrained Wiener filter and Twomey algorithm. The upper row shows the results of simulation on fMRI invisible sources; the lower for fMRI extra sources.”