[Mristudio-users] dti roi problem

[susumu mori]

Your question have two parts;

1) How to use the software to draw ROI: The ROI drawing function of
DtiStudio is limited. I would suggest you to download RoiEditor from
www.mristudio.org, which has more advanced ROI drawing functions.
2) How to anatomically define structures: White matter structures can be
better identified by FA and color-coded maps. For gray matter structures,
it depends. For the cortex, DTI may not have enough resolution to define
it. Structures such as the caudate, thalamus, hippo, amyg could be better
defined by b0 and diffusion-weighted images than FA.

You may want to learn automated segmentation tools using DiffeoMap and
RoiEditor in www.mristudio.org, which can incorporate both FA and b0 images
to define many brain structures automatically.

Susumu

On Thu, Aug 9, 2012 at 8:07 AM, 罗璐娇 <lujiaoluo1990 at 126.com> wrote:

> Dear all,
>   It's my first time to process  dti datas, and I am puzzled by how to
> draw a roi on a diffusion image.
>   I am wondering that how to select precisely the anatomical structures
> you want to analyze (e.g. amygdala, FFA, and V1)  on a diffusion data? What
> should I do with dtistudio? Or do I need to look for some other softwares?
>
> Looking forward for your help and thanks so much!
>
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