[Eeglablist] Cross coherence ICA

[Makoto Miyakoshi]

Dear Ahmed,

> After ICA decomposition how do we know which components relate to that
specific electrodes?

If you follow our recommendation... after ICA you never go back to channel
analysis. You create STUDY for the group level, cluster ICs across subjects
for final statistics. It's not an easy way to go, I know!

Makoto

On Sun, May 10, 2015 at 1:09 AM, Ahmed Almurshedi <ahmed19875000 at yahoo.com>
wrote:

> Dear Experts,
>
> I have a question I hope it make sense.
>
> We can easily choose specific electrodes of our interest to study the
> cross coherence between channels. After ICA decomposition how do we know
> which components relate to that specific electrodes?
>
> The reason behind this question is in channel analysis normally we may
> find ERP response in few neighbors electrodes while ICA decomposition shows
> only one component of the same ERP response.
>
> Thanks
> AHMED
>
>
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-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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