[Eeglablist] Does edf store channel location info?

[ivano triggiani]

Hi,

EDF+ has the localization, EDF I think no. Here's the documentation.
https://urldefense.com/v3/__https://www.edfplus.info/specs/edftexts.html__;!!Mih3wA!BVe_eLPkyjUjkYX_YgoBXeyXfAECehMzOmekeqnxUKmo_mL4lody2pCCUhsRfD0FgAlr-lUK8OrnQXLJA3UmxPU6fscmUA$ 

Best,

Ivano
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*Antonio Ivano Triggiani, Ph.D.*


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On Fri, Oct 31, 2025 at 11:28 AM Hanna Szakács via eeglablist <
eeglablist at sccn.ucsd.edu> wrote:

> Hello everyone,
>
> I'm using a preprocessing pipeline in which I read raw EDf files into
> EEGLAB, upload the electrode map (in SFP format), remove noisy channels and
> epochs, and then save the modified EDf file. I'm wondering if the electrode
> map information/channel locations are saved, or if I need to upload them
> again when I reopen the cleaned, modified EDF files?
>
> Thanks in advance,
> Hanna
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