Dear Ryszard,

Thanks for your help. It was really an elaborate answer. I have another question about the notion of posterior probability of the parameters reported in the results. Could you please explain about the statement "the probability that the parameter's posterior mean is different from the prior mean, taking into account the posterior variance." ?

How it has been calculated?

Best regards,

Dnd

On Wed, Jun 4, 2014 at 9:23 AM, Ryszard Auksztulewicz <[log in to unmask]> wrote:

Hi Dnd,

Your A matrix in this case will specify the implicit baseline from which your B parameters will be subtracted and to which they will be added for your two experimental conditions respectively.

Best regards,
Ryszard

On 4 June 2014 15:18, Dandil dNd <[log in to unmask]> wrote:

hello all,

I have a problem whit understanding the DCM results for ERP data. The "A" coupling in the results is related to which one of trials? (There is two trials with effect of [-1 1]). I will appreciate any help.

Regards,
Dnd