[FieldTrip] Functional connectivity ft_sourceparcellate

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

Hi René,

To be honest, your question is a bit underspecified. Just an error message and a script without any additional information is not inspiring enough to the readership of this list to really be able to help you.

The error itself looks pretty self explanatory to me, and I suggest that you first start and try to understand yourself what it means. It says that the source positions are not consistent with the parcellation. Thus, this suggests that there’s a mismatch between the positions of the sources that you want to be parcellated, and the positions as specified in the parcellation.

I suggest that you start by comparing those positions, and then think a bit about whether these are to be expected to be the same. If the answer to the last question is ‘yes’, then you should work your way backward in the script, and try to find where approximately the mismatch occurs. This is then information that you can provide the readers of this list with, so that we can think along.

Also, I would assume that you have tried the original tutorial with the data that belongs to this tutorial, as a sanity check that the code runs through in general.

Best wishes and good luck with the detective work,

Jan-Mathijs


On 9 Apr 2021, at 16:55, Andrade Rey René <rene.andrade at edu.uah.es<mailto:rene.andrade at edu.uah.es>> wrote:

Dear Fieldtrip experts:

I have an issue while processing eeg with inspiration on the functional connectivity tutorial. It works smoothly until source_parcellate. Could you please be so kind and give me hint on the error on my code modification of yours?


Best,
Rene Andrade.





Error using ft_sourceparcellate (line 109)
the source positions are not consistent with the parcellation, please use FT_SOURCEINTERPOLATE
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