[Eeglablist] Get Clean Raw Data to report removed channels

Beach, Paul Anthony paul.anthony.beach at emory.edu
Wed Mar 17 10:44:19 PDT 2021


Thank you Clement! I will check this out.
To confirm - I would run this after running CRD, correct?

On Mar 17, 2021, at 1:42 PM, Clement Lee <cll008 at eng.ucsd.edu<mailto:cll008 at eng.ucsd.edu>> wrote:

Hi Paul,

Here's a line I just wrote that hopefully helps:
rmChanIdx = find(~ismember({EEG.chanlocs.labels}, {cleanedEEG.chanlocs.labels}));
IIRC CRD changes the chanlocs structure when removing channels. If this is the case, we can compare the chanlocs structure before and after clean raw data. `rmChanIdx` stands for removed channel indices. You can access the channel labels with `EEG.chanlocs(rmChanIdx).labels` to see the labels of the removed channels.

Best,
Clement Lee
Applications Programmer
Swartz Center for Computational Neuroscience
Institute for Neural Computation, UC San Diego
858-822-7535


On Wed, Mar 17, 2021 at 8:47 AM Beach, Paul Anthony via eeglablist <eeglablist at sccn.ucsd.edu<mailto:eeglablist at sccn.ucsd.edu>> wrote:
Hello EEGLAB community,

Does anyone have a quick script that could be added to the clean_raw_data (CRD) function (or separately on command line) to spit out exactly what channels (number and name) are removed as part of the CRD function?

The latter would help for quickly interpolating the removed channels.
As it is I have to stare at a list of original channels/numbers and compare it to the subsequent one leftover after CRD. It’s painful.

Thanks!
--
Paul Beach DO, PhD
PGY5, Movement Disorder Fellow
Department of Neurology
Emory University School of Medicine


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