On Fri, 14 Jan 2005, Eli Packer wrote:
> Dir Sir/Madam,
> I am trying to extract FMRI data and having the following problem:
> I am using the toolboxes->volumes->multiple volumes->extarct maximum in
> order to find a voxel with best activity. Then, while using its coordinates
> to plot the data, the two following cases happen a lot:
What do you mean with "best activity"? What SPM version are you using? How
do you proceed to plot the data?
> 1) I get a window states that "No row data saved at this location: Data
> portions of plots unavailable at this location. Jump to the nearest voxel
> with saved raw data?"
> 2) The coordinates are changed automatically (I guess that it happens when
> it finds a close voxels with data).
> I wonder why why this scenario occurs? if SPM finds a voxel with maximum
> activity, how comes he states that it has no data? Looking at the images
> implies that those maximum activated voxels have data, since they have
> color, otherthen white.
Volkmar
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Volkmar Glauche
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Department of Neurology E-Mail [log in to unmask]
UKE Hamburg Phone 49(0)40-42803-5781
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