Dear Haoran,
2011/2/27 飞鸟 <[log in to unmask]>:
> Hello all,
> When you analysis your data with the method of DCM, have you ever met the
> problem about how to specify the modulation? Now I choose 7 basic models,
> and then assume all the connections in each basic model are modulated by the
> experimental manipulation. What I want to know is that whether or not this
> is reasonable
Usually one would have a hypothesis about which specific connections
are affected by the experimental condition.
>In addition, is it possible that the connections
> between two sources could include forward connectivity, backward
> connectivity and lateral connectivity at the same time?
No. Every connection can only have one type.
Vladimir
> Any help will be grateful!
>
> --
> Haoran LI (MS)
> Brain Imaging Lab,
> Research Center for Learning Science,
> Southeast University
> 2 Si Pai Lou , Nanjing, 210096, P.R.China
>
>
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