electrode load and clusterrandanalysis

Michael Wibral wibral at BIC.UNI-FRANKFURT.DE
Tue May 12 23:26:03 CEST 2009


Hi Charles,

i never actually tried doing the time-freq transform in BESA and then the stats in FT but I did so for ERP data and from what you write it is not clear what goes wrong. Could you please post  the Fieldtrip version you use, the full error message you get and the full script code ?

If your problems are related to electrode positions, you could try loading the BESA electrode (.elp) files
 directly if i am not mistaken.

Michael



> -----Urspr√ľngliche Nachricht-----
> Von: "Charles Cook" <charles.cook at ULETH.CA>
> Gesendet: 08.05.09 21:51:46
> An: FIELDTRIP at NIC.SURFNET.NL
> Betreff: [FIELDTRIP] electrode load and clusterrandanalysis


> Hi all,
> 
> I'm having some trouble running the clusterrandanalysis on my time-frequency
> data collected using BESA. I've been trying to follow the example script
> ('Apply clusterrandanalysis on TFRs of power that were computed with BESA'),
> but am still coming up short. Specifically, I'm a little confused about
> loading electrodes
> 
> % load a set of electrodes (these are on a unit sphere)
> % note, this will be different for your own data
> load('elec128.mat');
> % scale the electrodes to a realistic head size (in cm)
> elec.pnt = 10*elec.pnt;
> 
> Any suggestions would be much appreciated.
> 
> Cheers,
> 
> Charles Cook
> Canadian Centre for Behavioural Neuroscience
> University of Lethbridge
> 
> ----------------------------------
> The aim of this list is to facilitate the discussion between users of the FieldTrip  toolbox, to share experiences and to discuss new ideas for MEG and EEG analysis. See also http://listserv.surfnet.nl/archives/fieldtrip.html and http://www.ru.nl/neuroimaging/fieldtrip.
> 



----------------------------------
The aim of this list is to facilitate the discussion between users of the FieldTrip  toolbox, to share experiences and to discuss new ideas for MEG and EEG analysis. See also http://listserv.surfnet.nl/archives/fieldtrip.html and http://www.ru.nl/neuroimaging/fieldtrip.
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