[Eeglablist] Event types after rejection of IC's

Makoto Miyakoshi mmiyakoshi at ucsd.edu
Thu Feb 27 21:59:04 PST 2014

Dear Hendrik,

I would like to replicate it. Would you mind sending me the dataset?


2014-02-21 14:58 GMT-08:00 Hendrik Enders <henders at kin.ucalgary.ca>:

> Hello,
> I have a dataset of continuous EEG data (65 channels, 500 Hz). I import a
> list of events that have three different types (denoted 1,2,3). In my case
> this corresponds to events at different time points, early, mid and late
> during the recordings. I extract epochs based on the event types.
> After I perform ICA and reject the clear noise components the three event
> types/epoch types are lost and merged into just one event type (denoted by
> 1). This happens after I remove components. I can still see all three event
> types when I scroll through my data after performing ICA. However, after
> rejecting components I cannot see the individual event types anymore.
> I am asking this as I wish to average over my epochs according to early,
> mid and late during my experience. However, I want to make sure that for
> all three conditions I reject the same IC's. That's why I don't want to
> isolate the three conditions first and then run the ICA on each one of them.
> I would appreciate any support or help.
> Thanks
> Hendrik
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Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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