[FieldTrip] Problem with Geodesic 129 layout!!

[KatrinH Heimann]

Dear Ana, dear all,
the layout you used does not correspond to our nets. I tried the
   GSN-HydroCel-128.sfp  and the GSN-HydroCel-129.sfp. Both don't work.
Please can anybody help?
Cheers
Katrin


2014-08-24 5:40 GMT+02:00 Ana Laura Diez Martini <diezmartini at gmail.com>:

> Try this one <https://www.dropbox.com/s/58zv658rtdant2c/GSN129.sfp?dl=0>
> I use
>
>
> On Sun, Aug 24, 2014 at 4:08 AM, KatrinH Heimann <katrinheimann at gmail.com>
> wrote:
>
>> Dear all, my problems seem neverending. This time however i really need
>> help.
>> I implemented a pipeline for ERPs. All works now, trialdefinition,
>> preprocessing, channelreplacement, ica, componentrejection, final
>> artifactdetection, timelock of the single subject data. However, when I
>> wanna compute the grandaverage of the single subjects I get the following
>> error message:
>>
>> computing average of avg over 19 subjects
>> Warning: discarding electrode information because it cannot be averaged
>> > In ft_timelockgrandaverage at 249
>> the call to "ft_timelockgrandaverage" took 0 seconds and required the
>> additional allocation of an estimated 3 MB
>> computing average of avg over 2 subjects
>> Warning: discarding electrode information because it cannot be averaged
>> > In ft_timelockgrandaverage at 249
>> the call to "ft_timelockgrandaverage" took 0 seconds and required the
>> additional allocation of an estimated 0 MB
>> the call to "ft_prepare_layout" took 0 seconds and required the
>> additional allocation of an estimated 0 MB
>> the call to "ft_topoplotER" took 0 seconds and required the additional
>> allocation of an estimated 0 MB
>>
>> Furthermore in the plot of the significant clusters, the channelnames are
>> mixed up (do not correspond to my net)
>>
>>
>> I guess that there is a problem with the layout I use.
>> Here the code that I use
>>
>> %For generating the layout (also in the single subjects):
>>
>> cfg = [];
>>
>> cfg.channel  = obs_data.label;
>>
>> cfg.layout   = 'GSN-HydroCel-129.sfp';
>>
>> cfg.feedback = 'yes';
>>
>> lay          = ft_prepare_layout(cfg);
>>
>>
>>
>> cfg_neighb          = [];
>>
>> cfg_neighb.feedback = 'yes';
>>
>> cfg_neighb.method   = 'triangulation';
>>
>> cfg_neighb.layout   = lay;
>>
>> neighbours          = ft_prepare_neighbours(cfg_neighb, obs_data);
>>
>>
>>
>> obs_data.elec = ft_read_sens('GSN-HydroCel-129.sfp');
>>
>>
>> %For computing the grand average
>>
>> cfg = [];
>>
>> cfg.channel   = 'all';
>>
>> cfg.latency   = 'all';
>>
>> cfg.parameter = 'avg';
>>
>> cfg.keepindividual = 'no'
>>
>> GA_90         = ft_timelockgrandaverage(cfg,all90{:});
>>
>> GA_180        = ft_timelockgrandaverage(cfg,all180{:});
>>
>> % "{:}" means to use data from all elements of the variable
>>
>>
>>
>> For plotting the significant clusters
>>
>> cfg = [];
>>
>> cfg.style     = 'blank';
>>
>> cfg.layout    = lay;
>>
>> cfg.channellabels = 'yes';
>>
>> cfg.highlight = 'labels';
>>
>> cfg.highlightchannel = find(stat.mask);
>>
>> cfg.comment   = 'no';
>>
>> figure; ft_topoplotER(cfg, GA_90)
>>
>> title('Nonparametric: significant with cluster multiple comparison
>> correction')
>>
>>
>> Do you have ANY idea to this? I am really completely helpless....
>>
>> thanks and best
>>
>> Katrin
>>
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>>
>
>
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