Hi Mohamad - This tool hasn't been worked on for over a decade, and there is nobody here who can support it. There are tools out there that do tractography without anatomical priors (in fact that's approximately all the tools out there), but none in freesurfer at the moment.

Best, a.y

On Wed, 24 Aug 2016, Alshikho, Mohamad J. wrote:

Hi Anastasia, This tool is available in (FS 5.3 and FS v6.0) as version 1.0 Beta. But in the paper that I have pointed to, the folks used the version 1.4 of this tool. That's why I am a bit confused.

Kindly, are there any tools that can help to do tractography for the corticospinal tract when T1 images are not available?

Thank you for any advice Mohamad

-----Original Message----- From: freesurfer-bounces@nmr.mgh.harvard.edu [mailto:freesurfer-bounces@nmr.mgh.harvard.edu] On Behalf Of Anastasia Yendiki Sent: Wednesday, August 24, 2016 10:36 AM To: Freesurfer support list freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] dmri_poistats

Hi Mohamad - This tool is *way* deprecated. It should not have been included in beta releases. Thanks for bringing this to our attention.

a.y

On Wed, 24 Aug 2016, Alshikho, Mohamad J. wrote:

...

Dear Freesurfer experts,

I would like to inquire about the tool “dmri_poistats” https://surfer.nmr.mgh.harvard.edu/fswiki/PoistatsOverview. This tool is included as a beta release ( in FS5.3 and FS 6.0).

In literature review I found colleagues used the version 1.4  of this tool. e.g. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2780023/

Kindly, I have the following two questions:

1.       What is the final release of this tool?

2.       I have DWI images and no T1 images are available. Is it reliable to do tractography for the corticospinal tract using this tool?

Thank you for any advice!

Mohamad

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