[FieldTrip] automatic channel rejection

Diego Lozano-Soldevilla dlozanosoldevilla at gmail.com
Fri Jan 25 13:59:49 CET 2019


Hi Aitor,
May be what you're looking for is "ft_artifact_threshold.m". That being
said, I don't recommend rejecting artifacts without visually inspecting the
data. Absolute threshold do not necessarily generalize across subjects
and/or experimental sessions.
I hope that helps,
Diego

On Sun, 20 Jan 2019 at 17:45, Aitor Egurtzegi <
aitor.martinezegurcegui at uzh.ch> wrote:

> Hi Diego,
>
> Thanks for the help. However, I was wondering if there is a way to
> reject artifacts without visually inspecting them. Like, from the manual
> you sent I see that I still would have to click on the trials / channels
> I would like to reject? Is there a way to script it based on some
> previously established parameters, without having to check all trials /
> channels for each participant?
>
> Best,
> Aitor
>
> > Date: Fri, 18 Jan 2019 16:47:17 +0100
> > From: Diego Lozano-Soldevilla <dlozanosoldevilla at gmail.com>
> > To: FieldTrip discussion list <fieldtrip at science.ru.nl>
> > Subject: Re: [FieldTrip] automatic channel rejection
> > Message-ID:
> >       <
> CAEVBUjij4o8J-U10rF4Oxfa9d81tE_BD3t81DcdSy-VQfeTnUA at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Hi Aitor,
> > Take a look at this
> >
> http://www.fieldtriptoolbox.org/tutorial/visual_artifact_rejection/#manual-artifact-rejection---display-a-summary
> > Best,
> > Diego
> >
> > On Fri, 18 Jan 2019 at 16:43, Aitor Egurtzegi <
> > aitor.martinezegurcegui at uzh.ch> wrote:
> >
> >> Dear Fieldtrip subscribers,
> >>
> >> I was wondering if anyone knew how to automatically reject bad channels
> >> in Fieldtrip, as it is done in EEGLAB based on e.g. kurtosis. Basically,
> >> I'm looking for the Fieldtrip equivalent of the EEGLAB function
> >> pop_rejchan.
> >>
> >> Many thanks in advance,
> >> Aitor
> >>
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> >> https://doi.org/10.1371/journal.pcbi.1002202
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