[Mristudio-users] Question about Artifact and Mix with the adajacent bundle.

[susumu mori]

Hi Yibao,

I'm not sure which tract you referring to without images, but in
general, it is common that tractography contains contamination, such
as tracts running parallel at some points. It is always advisable to
use multiple ROIs to obtain cleaner results. For example, if you are
interested in the fornix, one ROI could define the column of the
fornix and the other defining its projection along the hippocampus.
Then you can ask tractography to retrieve trajectories that penetrate
the two ROIs.

Susumu

On Tue, Mar 8, 2011 at 7:46 PM, Yibao Wang <cmuwyb at gmail.com> wrote:
> When we doing the tractography, sometimes artifact occurred and easily mixed
> with the adjacent bundles.
> For example, I reconstructed a fiber bundle which shape is similar to
> fornix, but its ROI is above the fornix,
> But location of reconstructed fibers bundle is different from the
> reconstruction of fornix when we put them together,
> In this condition, could we tell that it is not mixed with fornix?
>
> Thanks for your help.
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