[Eeglablist] Channel location EEGLAB

[Cedric Cannard]

No, most people don’t even include them. ASR and ICA should detect and reject ocular components well without them.

Cedric

On Mon, Oct 10, 2022 at 09:49, Chiara Ciacchella <chiara.ciacchella at uniroma1.it> wrote:

> I think I need them for artifact detention. Am I wrong?
>
> Chiara
>
> Il giorno lun 10 ott 2022 alle 18:21 Cedric Cannard <ccannard at protonmail.com> ha scritto:
>
>> 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
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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