[Eeglablist] identifying previously interpolated channels across dataset?

[Komal Komal]

Hi Kavanaugh,

I hope you're doing well.

I'm facing a similar challenge to what you've described regarding channel
interpolation. In my case, I'm using the NEAR toolbox to identify and
remove bad channels. However, when I try to interpolate these removed
channels later, I don’t find any history of the removed channels.

>From what I understand, it seems necessary to save the data before removing
the bad channels in order to reference the earlier dataset for
interpolation. Alternatively, I’m wondering if we can directly interpolate
the identified bad channels without removing them. If this is possible, it
raises the question of what the "Select from removed channels" option in
EEGLAB's GUI is meant for. I may be overlooking something here.

This is just my understanding based on my limited experience, and I’d
really appreciate any insights or guidance from you and the EEGLAB
community.

Looking forward to hearing from you all.

Best regards,
Komal

On Thu, 10 Oct 2024 at 18:12, Kavanaugh, Brian via eeglablist <
eeglablist at sccn.ucsd.edu> wrote:

> Hi everyone,
>
> I'm struggling to find information on rejected/interpolated channels within
> the EEG structure for previously pre-processed files.
>
> I used pop_clean_rawdata for removal and pop_interp for interpolation. but
> can't find anything.
>
> Is this stored somewhere or perhaps gone?
>
> thanks!
>
> brian
>
> Brian Kavanaugh, PsyD, ABPP
>
> Board Certified Pediatric Neuropsychologist, E. P. Bradley Hospital
>
> Assistant Professor, Warren Alpert Medical School of Brown University
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