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Exploiting Task Constraints for Self-Calibrated Brain-Machine Interface Control Using Error-Related Potentials

Fig 2

Grand-averaged signals for Fz, FCz and CPz channels.

Red and blue lines represent averaged signals for the error and correct conditions respectively, where the movement onset is marked as time 0 ms. Statistical differences (unpaired t-tests, p-values < 1·10−6) between error and correct averages are marked by shadowed areas.

Fig 2

doi: https://doi.org/10.1371/journal.pone.0131491.g002