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Dear SPM users, Does anyone know how to average MEG data over a time period? I have a significant cluster as a results of paired t-test. I created the average of evoked responses over subjects and now I would like to plot topographic maps for my two conditions average over a period corresponding to my significant cluster. I was looking for it for long time but only found how to average over time using spm_eeg_avgtime, which works only for time-frequency datasets. Thanks a lot for any advice. Kind regards, Jana