[FieldTrip] problems plotting source grandaverage - no anatomy fied (ft_sourcegrandaverage)

[Schoffelen, J.M. (Jan Mathijs)]

Hi Cecilia,

I am glad that you have resolved it.

Best wishes,
Jan-Mathijs

> On 30 Nov 2017, at 12:05, Mazzetti, C. (Cecilia) <C.Mazzetti at donders.ru.nl> wrote:
> 
> Thanks Jan Mathijs!
> I don't know whether that's supposed to be the case, but the problem is 'solved' by choosing cfg.keepindividual='no' when computing sourcegrandaverage, before the interpolation. then everything is fine!
> Might be helpful for others maybe!
> 
> Thanks!
> 
> Best,
> Cecilia
> 
> 
> Cecilia Mazzetti - Ph.D. Candidate
> Donders Centre for Cognitive Neuroimaging, room 0.068
> Kapittelweg 29 | 6525 EN Nijmegen
> 
> 
> ________________________________________
> Da: fieldtrip-bounces at science.ru.nl [fieldtrip-bounces at science.ru.nl] per conto di fieldtrip-request at science.ru.nl [fieldtrip-request at science.ru.nl]
> Inviato: giovedì 30 novembre 2017 12.00
> A: fieldtrip at science.ru.nl
> Oggetto: fieldtrip Digest, Vol 84, Issue 18
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>   1. Re: problems plotting source grandaverage - no anatomy fied
>      (ft_sourcegrandaverage) (Schoffelen, J.M. (Jan Mathijs))
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Wed, 29 Nov 2017 11:53:36 +0000
> From: "Schoffelen, J.M. (Jan Mathijs)" <jan.schoffelen at donders.ru.nl>
> To: FieldTrip discussion list <fieldtrip at science.ru.nl>
> Subject: Re: [FieldTrip] problems plotting source grandaverage - no
>        anatomy fied (ft_sourcegrandaverage)
> Message-ID: <DED6E7FD-14CA-4CCA-9496-ACD2FFCCD7DF at donders.ru.nl>
> Content-Type: text/plain; charset="utf-8"
> 
> Hi Cecilia,
> 
> Have you tried to compute the average on the low-resolution solutions, and only do the interpolation on the average?
> 
> This should be possible, because you use the ?mni-aligned grids?.
> 
> Also, ft_sourcegrandaverage is a dinosaur of a function, and it looks as if it hasn?t grown along with the rest of the code. The pasted matlab-structure looks a bit strange, and I can imagine that FieldTrip chokes on it.
> 
> Best wishes,
> Jan-Mathijs
> 
> 
> J.M.Schoffelen, MD PhD
> Senior Researcher, VIDI-fellow - PI, language in interaction
> Telephone: +31-24-3614793
> Physical location: room 00.028
> Donders Centre for Cognitive Neuroimaging, Nijmegen, The Netherlands
> 
> On 29 Nov 2017, at 11:20, Mazzetti, C. (Cecilia) <C.Mazzetti at donders.ru.nl<mailto:C.Mazzetti at donders.ru.nl>> wrote:
> 
> Hi Everyone,
> I am struggling with the source analysis and especially when averaging across subjects' source reconstruction.
> The analysis for every subject was done according to the tutorial (creating MNI aligned grids in individual head space).
> The point is when I try to plot the source grandaverage I get an error saying there is no 'anatomy' field in my data.
> I tried to use both sourceinterpolate or add the anatomy field manually to the gsource_grandaverage structure but nothing works.
> Here is what my source_grandaverage contains:
> ga_sources
> 
>   pow: [6?902629 double]
>       dim: [91 109 91]
>      freq: 9.9723
>    inside: [902629?1 logical]
>       pos: [902629?3 double]
>      unit: 'mm'
>       cfg: [1?1 struct]
> 
> 
> 
> Any help is appreciated! Thanks!
> 
> Best,
> Cecilia
> 
> 
> 
> 
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