[Eeglablist] Channel location EEGLAB

[Cedric Cannard]

You’re welcome.
Mmh I do not think there are coordinates for auxiliary channels. Maybe someone can correct me if I’m wrong. Why do you need them?

Cedric

On Mon, Oct 10, 2022 at 03:07, Chiara Ciacchella <chiara.ciacchella at uniroma1.it> wrote:

> Dear Cedric,
> Thank you very much for your reply. Can I ask you how to set the channel position for EOG? Because by following the steps, the fields for the EOG channel positions remain empty.
>
> Il giorno dom 9 ott 2022 alle ore 17:33 Cedric Cannard <ccannard at protonmail.com> ha scritto:
>
>> Dear Chiara,
>>
>> That’s normal, I believe EEG files never contain channel locations inside them (in my experience). After you imported your data in eeglab, and go to Tools > Channel locations > Ok > Ok and the default BEM locations will be imported.
>> You can select another montage from the dipfit plugin folder if that’s not the correct ones for your system.
>>
>> Cedric
>>
>> On Sun, Oct 9, 2022 at 06:39, Chiara Ciacchella via eeglablist <eeglablist at sccn.ucsd.edu> wrote:
>>
>>> Hello,
>>> I am new to EEG signal processing with EEGLAB. I tried to find the answer
>>> but I was not successful. I kindly ask for your help in this.
>>> I recorded EEG with GEASOLUZIONI software and the data file contains only
>>> channel labels, but I don't have a file with channel location information.
>>> How can I manually add the channel location information?
>>>
>>> I know that the cap refers to 10-20 system and it contains the following
>>> electrodes:
>>> Active electrode: Fp1, Fp2, F7, F3, F4, Fz, F8, T3, C3, Cz, C4, T4, T5, P3,
>>> Pz, P4, T6, O1, O2
>>> Referential and neutral: A1, A2, N
>>> Additional electrode for artifact detention: EOG, ECG, EMG, 1 slot for RR
>>> sensor
>>>
>>> Thanks in advance,
>>> Chiara
>>>
>>> --
>>> *Chiara Ciacchella, Ph.D. student*
>>> *Department of Dynamic and Clinical Psychology, and Health Studies*
>>>
>>> *"Sapienza" - University of RomeVia degli Apuli, 100185 Rome, Italy*
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>
> --
>
> Chiara Ciacchella, Ph.D. student
> Department of Dynamic and Clinical Psychology, and Health Studies
> "Sapienza" - University of Rome
> Via degli Apuli, 1
> 00185 Rome, Italy