[Eeglablist] Channel import

Tarik S Bel-Bahar tarikbelbahar at gmail.com
Thu Feb 11 10:57:24 PST 2010


Hello Ilya,

I've had a similar issue, and it's not clear from documentation or
eeglablist
what exactly is needed. I think more detailed step by step instructions
are needed to make it so that users don't get stuck at these basic steps.
I've developed some workarounds, but I have not been doing source
localization.

1. First if the data is re-referenced or average referenced before going
into eeglab,
then don't export the reference channel from Netstation.

2 Second you may want to use a different file of electrode locations
that matches your data, i.e., has 131 locations, or that recognizes
fiducials.

Good luck and do let us know what you figure out so others don't suffer!

All the best,
Tarik


********************************************************************************************************************************
Tarik Bel-Bahar, PhD
Department of Clinical, Educational, and Health Psychology/ University
College London
AFC-UCL Developmental Neuroscience Unit / Anna Freud Centre, 21, Maresfield
Gardens/ London NW3 5SD
Tel: +44 (0) 20 7443 2212 / Receptionist: +44 (0) 20 7794 2313/ Fax: + 44
(0) 20 77946506
********************************************************************************************************************************


On Tue, Feb 9, 2010 at 12:05 AM, Ilya Adamchic <dr.ilya at yahoo.com> wrote:

> Hello dear Colleagues!
>
>
> I'm having an issue, with what seemed to be easy task. I try to import my
> scanned cannel location in to EEGLAB from EGI system (*.spf file in *
> Cartesian* system). I have 128 EEG channels and 3 fiducial points, all of
> this are recognized o.k. but as soon as I try to accept these channel
> locations by pressing OK button in Edit EEG channel window I get the
> following message: „The number of data channels (131) not including
> fiducials does not correspond to the initial numbed of channels (128), so
> for consistency purposes...and so on..will not accepted. ".
>
> My data set contains 128 channels + 3 fisucials=131....so what am I
> missing...?
>
>
> Thanks a lot for all yours help.
>
> Best regards!
>
> Ilya
>
>
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