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

Schoffelen, J.M. (Jan Mathijs) janmathijs.schoffelen at donders.ru.nl
Thu May 4 09:31:33 CEST 2023


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<mailto: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!6Sbj43Y85cOBtP4Bp-jGqauhR3JFIgEOXETQt4SbfTW-at1wrhV0xbPQwW5Bae4AGN5WmQw8Jhmo0pH4FHFADhJpulKaQB5sc-bvag$ <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>
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