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Brain Computer Interface (BCI) is one part of the Human Computer Interface. Using this it becomes connectivity between computers and humans become possible. This is especially important in people who have severe physical problems that impede movement. The final goal is to understand the mechanism on how brain functionality is working and changing for the injected current stimulation. This is very useful to develop the best reasonable brain cortical stimulation technique. MEG/EEG source localization is to estimate current source in the brain from MEG/EEG measurements. Source localization methods may help to determine the regions of the brain where the spikes are generated. Moreover, as opposed to other imaging modalities (such as fMRI and PET), EEG or MEG data are the only direct measurements of neuronal activity. | Article
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