Once I have asked a similar question as yours.
In the situation of DCM for EEG/MEG, the number in DCM.A means that the coupling strength is exp(number) times the prior coupling. As for the fmri, I'm not very clear either.
I Hope this helps.
At 2011-02-24 15:58:16，"Maria Dauvermann" <[log in to unmask]> wrote:
>I had a look at the values in DCM.A after I have estimated the DCMs.
>What does a negative value in the intrinsic connection mean? How do I interprete this result?
>Thanks for your help.