[Eeglablist] EEGLab function error

[Marco Buiatti]

 Dear Bellamy,

One possible reason is that you don't have channels in one or more of the
channel sectors that ADJUST uses to compute spatial features.

This is an indication of the fact that ADJUST has been implemented to work
on a relatively dense electrode array (at least 32 electrodes), and is not
efficient with less electrodes (even if you tried to match it to your
channels by modifying ADJUST's sectors).

If this is the case, my advice is to manually review and classify the
artefacted ICs.

If this is not the case, please provide more information about your data
(how many channels, montage, data length etc.).

HTH

Best,

Marco, ADJUST developer.



On 4 July 2018 at 16:16, Bellamy Baron <bellamybaron87 at gmail.com> wrote:

> Hi everyone,
>
> I'm completely new to EegLab and I have no background in neurosciences,
> but I still need to use it in a small part of a project. Learning the whole
> tool from scratch sounds pretty impractical to me, especially because I'm
> not in the neuroscience computational field.
>
> What I need is simply to run ICA on a temporary dataset I found online
> (I'm still waiting for the real data) and then use a plugin, ADJUST, to
> remove artifacts. While I have no problem in the ICA part, when trying to
> use ADJUST I get an error:
>
>
> % EEGLAB error in function ADJUST() at line 208:
> % Index exceeded matrix dimension
> % Line 208 of ADJUST():
> % GDSF = compute_GD_feat(topografie,EEG.chanlocs(1,pos_channels),
> size(EEG.icawinv,2));
>
>
> Thanks inadvance for your assistance.
>
>
> ------------------------------------------------------------
> --------------------------------------------
> Bellamy
> Specialist  - iWYZE
> https://www.iwyze.co.za/products/car-insurance
>
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-- 
Marco Buiatti

Neonatal Neuroimaging Unit
Center for Mind/Brain Sciences
University of Trento,
Piazza della Manifattura 1, 38068 Rovereto (TN), Italy
E-mail: marco.buiatti at unitn.it
Phone: +39 0464-808178
https://sites.google.com/a/unitn.it/marcobuiatti/

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