[Eeglablist] Time frequency analysis

[Delorme, Arnaud]

Andrew,

Yes, this is possible at the STUDY level. In the ERSP options, under the “Multiple channels selection,” select “Average/RMS of selected channels”

Best wishes,

Arno

> On Jul 19, 2022, at 5:17 PM, Scott Makeig via eeglablist <eeglablist at sccn.ucsd.edu> wrote:
> 
> Andrew -
> 
> You are trying to create a spatial filter. There are many types. A simple
> channel average filter is easy to compute, but it is not very spatially
> specific as to the brain areas it is sensitive too. To do that, I'd
> recommend you'd try using beamforming or ICA filters trained on your data
> to pass only signals from specific locations or processes in the data.
> 
> Scott Makeig
> 
> On Thu, Jul 14, 2022 at 12:10 PM Andrew Xue via eeglablist <
> eeglablist at sccn.ucsd.edu> wrote:
> 
>> Hi all,
>> 
>> I’m trying to conduct time frequency analysis using the EEGLAB gui. I
>> noticed that I can only select one channel at a time to plot the ERSP
>> image. Is there a way I can select a cluster of electrodes that can reduce
>> to one channel to plot? Or a way to average the individual plots for a
>> cluster of electrodes after getting them?
>> 
>> Thanks
>> Andy Xue
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> 
> 
> 
> -- 
> Scott Makeig, Research Scientist and Director, Swartz Center for
> Computational Neuroscience, Institute for Neural Computation, University of
> California San Diego, La Jolla CA 92093-0559, http://sccn.ucsd.edu/~scott
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