Stephen Smith wrote:
> Hi - surely it _is_ better to take the individual voxel's
> baseline as the denominator in the %change equation; if
> the intensity is affected by partial volume, then so
> is the activation......?
>
> Maybe I'm missing something?
>
I think you are right Stephen, moreover the same considerations must
apply to signal loss due to B0 inhomogenities.
So once again what is the rationale behind GMI scaling in fMRI.
torben
M. Sc. Torben Lund
Danish Research Centre of Magnetic Resonance
Hvidovre Hospital
Kettegaard Alle 30
2650 Hvidovre
Denmark
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