[FieldTrip] seed based SOURCE connectivity analysis between Groups - GA, plotting and statistics

Quaedflieg, Conny (PSYCHOLOGY) conny.quaedflieg at maastrichtuniversity.nl
Tue Oct 23 00:18:57 CEST 2018

Dear Fieldtripers,

I’m trying to compare 2 groups (n=40 per group) on SOURCE connectivity data using a seed (based on an atlas).
Based on the help function this should be possible using cfg.refindx.

Though, the analysis looks exactly the same with and without the refindx specified.

I would be really grateful with help on the following

  1.  Ideas how to run a seed based source analysis
  2.  How can I combine source data of several pp’s and plot the grand averages and run statistics over it?

I tried this with ft_sourcegandaverage though when interpolating the data to the MRI I get error messages that the data is too large and that it wil take too long.


Conny Quaedflieg, PhD
Assistant Professor
Department of Clinical Psychological Science
Faculty of Psychology and Neuroscience
UNS 40, Room A3731a

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