[FieldTrip] Automatic ICA algorithm in fieldtrip

[Rojas, Don]

No worries - I'm not a developer. I meant to include a smiley to imply my cheekiness, but left that out.

I'm afraid I'm not familiar enough with the eeglab software, and in particular the plugin you mention, to address your question about ica-based automated artifact removal, but fieldtrip does have some automated artifact rejection routines that I do not use and can't comment on intelligently. See here in the wiki:

http://fieldtrip.fcdonders.nl/tutorial/automatic_artifact_rejection

Best,

Don

On Apr 11, 2013, at 12:41 PM, Nicolai Mersebak <nicolai at mersebak.dk<mailto:nicolai at mersebak.dk>> wrote:

Thank you for the responds.

@Don, sorry for my choice of word. I differently meant some of the routines and not the whole package!

Maybe I wasn't clear enough. I don't mean the usually ICA algorithms (e.g runica), where you manually reject ICA components after running the algorithm. There are some plugins in EEGLAB, where the artifact removal of EOG is automatic using ICA. Most often you are using it, when you have multiple subjects and don't have time to go through all subjects manually.

So my question is if someone has tried to use an automatic artifact removal algorithm based on ICA in fieldtrip? An example is the FASTER plugin in EEGLAB - http://sccn.ucsd.edu/wiki/EEGLAB_Plugins.

Best,

Nicolai

Den 11/04/2013 kl. 15.47 skrev smoratti at psi.ucm.es<mailto:smoratti at psi.ucm.es>:


I think if you specify "runica" it does the same as EEGLAB.

best,

Stephan

________________________________________________________
Stephan Moratti, PhD

see also: http://web.me.com/smoratti/

Universidad Complutense de Madrid
Facultad de Psicología
Departamento de Psicología Básica I
Campus de Somosaguas
28223 Pozuelo de Alarcón (Madrid)
Spain

and

Center for Biomedical Technology
Laboratory for Cognitive and Computational Neuroscience
Parque Científico y Tecnológico de la Universidad Politecnica de Madrid
Campus Montegancedo
28223 Pozuelo de Alarcón (Madrid)
Spain


email: smoratti at psi.ucm.es<mailto:smoratti at psi.ucm.es>
Tel.:    +34 679219982

El 11/04/2013, a las 15:21, Rojas, Don escribió:

Nicolai,

I suspect the developers will disagree that "fieldtrip is the package from EEGLAB", as it is an independently developed package. There is some integration, however, and in this particular case, fieldtrip can call the some of the ica routines included in EEGLAB, as well as others (e.g., fastica). Look at the documentation for ft_componentanalysis and the example on the FieldTrip website:

http://fieldtrip.fcdonders.nl/example/use_independent_component_analysis_ica_to_remove_eog_artifacts

Don

On Apr 11, 2013, at 6:37 AM, Nicolai Mersebak <nicolai at mersebak.dk<mailto:nicolai at mersebak.dk>> wrote:

Dear all,

I know that EEGLAB has some (semi)-automatic ICA algorithms, and since the ICA part in fieldtrip is the package from EEGLAB, I was wondering if fieldtrip also had implemented the automatic ICA algorithms ? I can't find any information in the help function of runica or in the mailing list.

The purpose of the ICA algorithm is to remove EOG artifacts.

Best,

Nicolai
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