[Eeglablist] changing the epoch duration

[Tarik S Bel-Bahar]

a possible solution may be to specify the time window for event of interest,
or renaming every first event that you are looking for in each epoch, so as
to eliminate the "multiple same events" problem. please let me as well as
eeglab list know if you come up with a solution that works for you.

Overall, it seems that it would be useful to also have a de-epoching
function in EEGLAB.

Please let me and EEGLAB list know

On Tue, May 3, 2011 at 10:18 AM, Cockburn, Jeffrey <
jeffrey_cockburn at brown.edu> wrote:

> Greetings.
>
> I like to take long epoch durations to give ICA a little more data to work
> with (about 5 seconds from start to finish surrounding my events of
> interest). After running ICA and extracting the components I need, I would
> like to reduce the epoch duration around the events of interest (about 1
> second from start to finish). I can't use the 'extract epochs' function
> because this produces duplicate events since the original 5 second epoch
> window captures more than one event of interest in each epoch. I've also
> tried manually reshaping EEG.data and EEG.times, but this seems to confuse
> EEGlab as to when events occur in relation to the raw EEG data. Is there an
> easier way to do this?
>
> Thanks
>
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