B connections represent modulation of intrinsic connectivity, i.e. A
connections. Therefore a B connection is always with reference to an A
connection.
-----
Darren Gitelman, MD
On Sep 9, 2008, at 7:20 AM, Bjorn Roelstraete <[log in to unmask]
> wrote:
> Dear all,
>
> In the DCM example in the SPM5 manual, the B connections are also
> specified as A connections. (e.g. V1 -> V5). Is this always the
> case? Has a B connection to be specified as an A connection as well,
> or can i specify the V1 -> V5 solely as a B, without having to
> specify it as an A in the first place.
>
> Thanks,
> --
> Bjorn Roelstraete
> Ghent University
> Department of Data-analysis
> H. Dunantlaan 1, B-9000 Gent, Belgium
> Tel: 32-9-2646434
> E-mail: [log in to unmask]
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