[Mristudio-users] mristudio-users Digest, Vol 185, Issue 1

[Rotem Saar]

Thank you very much for the quick answer !

Sorry for posting in different emails, but I have 2 more questions:

* Is there a way to extract Axial diffusivity also ?
* What does 'relative anisotrophy' stands for ?

Many thanks !

Rotem Saar-Ashkenazy

Department of Brain and Cognitive Science
Ben Gurion University of the Negev, Beer-Sheva, 84105

School of Social Work
Ashkelon Academic College, Ashkelon, 78211

Israel

2016-06-17 19:00 GMT+03:00 <mristudio-users-request at mristudio.org>:

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>    1. Mean diffusivisy values in DTIstudio (Rotem Saar)
>    2. Re: Mean diffusivisy values in DTIstudio (Susumu Mori)
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> Message: 1
> Date: Thu, 16 Jun 2016 10:22:57 +0300
> From: Rotem Saar <saar.rotem at gmail.com>
> To: mristudio-users at mristudio.org,
>         mristudio-users-request at mristudio.org
> Subject: [Mristudio-users] Mean diffusivisy values in DTIstudio
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> Hi all,
>
> I was wondering if there is any possible way to extract mean diffusivity
> maps (MD) in DTIstudio ? If yes, which map should I save following the
> automatic image registration and tensor calculation ?
>
> I have FA and RD values for the Corpus-callosum and I would like to extract
> also MD values for this fiber.
>
> Thanks
>
>
> Rotem Saar-Ashkenazy
>
> Department of Brain and Cognitive Science
> Ben Gurion University of the Negev, Beer-Sheva, 84105
>
> School of Social Work
> Ashkelon Academic College, Ashkelon, 78211
>
> Israel
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> Message: 2
> Date: Thu, 16 Jun 2016 16:42:26 -0400
> From: Susumu Mori <smoriw at gmail.com>
> To: "DTI Studio, ROI Editor,    DiffeoMap Questions/Support"
>         <mristudio-users at mristudio.org>
> Cc: mristudio-users-request at mristudio.org
> Subject: Re: [Mristudio-users] Mean diffusivisy values in DTIstudio
> Message-ID:
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>
> Mean diffusivity is Trace/3, while the Trace = (lambda1 + lambda2 +
> lambda3).
>
> You can find "Trace" in DtiStudio.
> So you should report this value as "Trace" or divide it by 3 and report it
> as "mean diffusivity".
>
> By the way, MD is called "Mean" because it is the mean of lambda 1-3.
>
> On Thu, Jun 16, 2016 at 3:22 AM, Rotem Saar <saar.rotem at gmail.com> wrote:
>
> > Hi all,
> >
> > I was wondering if there is any possible way to extract mean diffusivity
> > maps (MD) in DTIstudio ? If yes, which map should I save following the
> > automatic image registration and tensor calculation ?
> >
> > I have FA and RD values for the Corpus-callosum and I would like to
> > extract also MD values for this fiber.
> >
> > Thanks
> >
> >
> > Rotem Saar-Ashkenazy
> >
> > Department of Brain and Cognitive Science
> > Ben Gurion University of the Negev, Beer-Sheva, 84105
> >
> > School of Social Work
> > Ashkelon Academic College, Ashkelon, 78211
> >
> > Israel
> >
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