[Eeglablist] Changing the order of the electrodes

ivano triggiani ivanotriggiani at gmail.com
Wed Mar 31 11:57:23 PDT 2021


Hi Clement,

thank you so much for the answer. Actually, I am not sure I got the point
in Makoto's answer to that message. I sometimes have some bad channels, I
remove them, I go on with the pre-proc (following basically the steps
Makoto suggests), and I perform the ICA for the artifacts. Only later, I
interpolate the bad channels since it's not correct to use the ICA with
interpolated channels. Am I wrong?

The function reorder is only for 19 channels, but, of course, I can modify
it for my entire set, thank you (and Makoto) very much. It is very useful.

Ivano
----



On Wed, Mar 31, 2021 at 2:31 PM Clement Lee <cll008 at eng.ucsd.edu> wrote:

> Hi Ivano,
>
> Hopefully you have not run ICA yet since there are some complications (for
> details: https://sccn.ucsd.edu/pipermail/eeglablist/2015/010610.html).
> I don't think there is a built in function for that in EEGLAB, but Makoto
> has written a `reorder19Channels` plugin (downloadable through the plugin
> manager) if you want a reference script.
>
> Best,
> Clement Lee
> Applications Programmer
> Swartz Center for Computational Neuroscience
> Institute for Neural Computation, UC San Diego
> 858-822-7535
>
>
> On Sun, Mar 28, 2021 at 9:42 AM ivano triggiani via eeglablist <
> eeglablist at sccn.ucsd.edu> wrote:
>
>> Hello,
>>
>> After the pre-processing and the interpolation of the bad channels, I have
>> for every subject a different order for the electrodes. This appears not
>> to
>> be an issue for the Study functions (despite a warning appearing, does it
>> mean something?).
>> But if I want to use some external function or just import the data
>> elsewhere, this can be a big deal. Do I have to write a script to change
>> the order of the channels, or is it possible to do it in EEGlab in a
>> simpler way?
>>
>> Thanks in advance,
>>
>> Ivano
>>
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