[FieldTrip] Problem with ft_sourceanalysis

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

Hi Rodolfo,
It would be helpful if you provided information about the fieldtrip version you use, matlab version, operating system etc.
Also, the current version of the fieldtrip code on github does not contain a functional line in line 231 in ft_sourceanalysis, but a text comment.
Also, you are using old-style syntax, which, although it should be backward compatible, is not recommended. The fieldnames ‘vol’, and ‘grid’ have been changed into ‘headmodel’ and ‘sourcemodel’, respectively. Of course this works only in the more recent fieldtrip version.
I suggest that you upgrade to a more recent version and try again.

Good luck
Jan-Mathijs


On 28 May 2019, at 22:57, Rodolfo Solis <rodolfoso at hotmail.com<mailto:rodolfoso at hotmail.com>> wrote:

Hi Fieldtrip team!

I am trying to do a source analysis after preprocessing (ft_preprocessing) and running an ERP analysis (ft_timelockanalysis) in order to reconstruct the signal at source level in specific grid points using an LCMV filter. I've done this many many times in the past with the same script, and never had any problem with ft_sourceanalysis. Today, I ran my script and received the following error:

Error using ft_sourceanalysis (line 231)
unexpected name of the subfunction

My cfg structure is:
channel: 'MEG'
method: 'lcmv'
lcmv: [1×1 struct]
projmom: 'no'
grid: [1×1 struct]
vol: [1×1 struct]
keeptrials: 'yes'
rois: [1×22 double]

I am asking for
source  = ft_sourceanalysis(cfg2,timelock);

Is there any issue with the function? This is the first time I receive this error, with no problems in the past.

Thanks a lot for your help!

Rodolfo


Dr. Rodolfo Solís Vivanco
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Departamento de Neuropsicología
Instituto Nacional de Neurología y Neurocirugía
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Programa de Maestría y Doctorado en Psicología
Universidad Nacional Autónoma de México
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Neuropsicología clínica
Hospital Sedna
Tel. 80007300, ext. 7065
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