[FieldTrip] Independent component analysis (ICA) to remove EOG artifacts

Erfan Vi erfan1994vi at gmail.com
Sun May 7 11:25:57 CEST 2023


Hi Jan,

Thank you for your clear response. How can I determine the name of this bad
channel which is recognizable in the forwarded image? I am new to
FildTrip sorry for the basic questions.

Erfan-Vajdi

On Thu, May 4, 2023 at 11:01 AM Schoffelen, J.M. (Jan Mathijs) via
fieldtrip <fieldtrip at science.ru.nl> wrote:

> Hi Erfan,
>
> These results look like a classical example of a bad channel. If you
> remove this channel from the data prior to running the IC decomposition,
> results should look more sensible.
>
> Good luck,
> Jan-Mathijs
>
>
> On 29 Apr 2023, at 11:04, Erfan Vi via fieldtrip <fieldtrip at science.ru.nl>
> wrote:
>
> Dear FieldTrip users,
> I have used an example script in the
> FieldTrip site to remove EOG artifacts for MEG data example located at
> https://urldefense.com/v3/__https://www.fieldtriptoolbox.org/example/ica_eog/__;!!HJOPV4FYYWzcc1jazlU!4R773UOYOcin6tMZO6P8DVlwEoIVVdQiPW4NcLrS8aUY6JORVUwBCQaELONuwMZnlqOPhvaATA2uroUdlj4ZKsEuVA$ 
> <https://urldefense.com/v3/__https://www.fieldtriptoolbox.org/example/ica_eog/__;!!HJOPV4FYYWzcc1jazlU!8RVcT7vt9rwPHgbzvPH5IFv1KhvliFf9uclvd7fGeD9y3jTEiNhEtGq3rVOa03BcW9lZ3qoBc324h57I8PtCyKZbyA$>
> using ICA. But I got poor results as below image. Any one can help me?
> Thank you,
>
> <ICA.jpg>
> _______________________________________________
> fieldtrip mailing list
> https://mailman.science.ru.nl/mailman/listinfo/fieldtrip
>
> https://urldefense.com/v3/__https://doi.org/10.1371/journal.pcbi.1002202__;!!HJOPV4FYYWzcc1jazlU!_ooB63Attaf_OPdbDgrNPfoGjchpelM0P-JWMZ9lLTFVonbRSSbBpMb81R8FfvnjsUfICySBBmg0AjqLZ8PIy94KJuc3pStsIzKcgg$
>
>
> _______________________________________________
> fieldtrip mailing list
> https://mailman.science.ru.nl/mailman/listinfo/fieldtrip
> https://urldefense.com/v3/__https://doi.org/10.1371/journal.pcbi.1002202__;!!HJOPV4FYYWzcc1jazlU!4R773UOYOcin6tMZO6P8DVlwEoIVVdQiPW4NcLrS8aUY6JORVUwBCQaELONuwMZnlqOPhvaATA2uroUdlj6TQKts1Q$ 
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.science.ru.nl/pipermail/fieldtrip/attachments/20230507/c3cc8113/attachment.htm>


More information about the fieldtrip mailing list