[Eeglablist] How to keep urevent information even after epoching

[Michelle Lee]

Hello everyone,

I am having some trouble with my ERPs in that none of them seem have a P1,
P2 or EPN at all. We expected at least a little consensus to this pattern
for all of our conditions.
We think the problem lies in the latencies -somehow they were all changed
after epoching.

I did some research and someone mentioned how it was important to keep all
original information in the EEG.urevent structure so that all original info
(including latencies I'm assuming) will remain with the data even after
epoching and manually removing trials.

However I don't really know how I can achieve this; by default, eeglab
seems to change the EEG.urevent timeline.
If anyone can provide any insight I would be very grateful!


Thanks,

Michelle
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