[FieldTrip] negative connectivity strength from mvgc

[Mehmet Akif Özçoban]

Dear Tyler could you send më your  matlab script för Compute granger
causality  please
9 Eyl 2015 12:34 tarihinde "Tyler Grummett" <tyler.grummett at flinders.edu.au>
yazdı:

> Hello fieldtrip experts,
>
> I decided to try multivariate granger causality today, using the steps in
> the tutorial 'analysis of sensor- and source-level connectivity'. I noticed
> that I am getting negative connectivity measures in the
> granger.grangerspctrm. Is this normal? If so, why does this happen?
>
> I apologise if this has been asked before!
>
> Tyler
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