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IPS spectrogram. First row indicates the time-frequency decomposition for Hit trials across IPS channels; second row is for CRs trials. Scale is in decibels. Third row indicates the t statistic on each spectrogram point. Scale is the t statistic. Fourth row indicates points that survived false discovery rate correction at an alpha level of 0.05. Colors indicate the direction of the effect: orange, Hit > CRs; cyan, CRs > Hits.
