And also the --ntr option in dmri_paths, which tracula currently sets to 2. You can find the dmri_paths command line that produced your paths in your trac-all.log file and modify it accordingly.

On Fri, 12 Aug 2011, Priti Srinivasan wrote:

Hi Jürgen,

To chage the no. of anisotropic compartments in a voxel in bedpostx you might have to run bedpostx_seychelles outside of tracula (instead of running trac-all -bedp)

bedpostx_seychelles -n 3 <path to dmri dir>

You can try this out to see if it works for you.

-Priti

...

Dear Tracula experts

Is it possible to change the number of fibres per voxel in bedpostx (from 2 to 3) within the trac-all command?

I did not see any option for that.

Thanks in advance Cheers Jürgen

---

Jürgen Hänggi, Ph.D. Division Neuropsychology Institute of Psychology University of Zurich Binzmuehlestrasse 14, PO Box 25 8050 Zurich, Switzerland 0041 44 635 73 97 (phone office) 0041 76 445 86 84 (phone mobile) 0041 44 635 74 09 (fax office) BIN 4.D.04 (office room number) j.haenggi[at]psychologie.uzh.ch (email) http://www.psychologie.uzh.ch/neuropsy/ (website) http://www.juergenhaenggi.ch (private website)

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Hi Priti

Thanks for the information. Is there any rule of thumb or recommendations wrt to how many anisotropic compartments in a voxel in bedpostx should be modeled? We sampled 64 non-collinear diffusion directions and I ask me whether this is enough for modeling 3 anisotropic compartments?

Thanks Cheers Jürgen

On [DATE], "Priti Srinivasan" <[ADDRESS]> wrote:

Hi Jürgen,

To chage the no. of anisotropic compartments in a voxel in bedpostx you might have to run bedpostx_seychelles outside of tracula (instead of running trac-all -bedp)

bedpostx_seychelles -n 3 <path to dmri dir>

You can try this out to see if it works for you.

-Priti

...

Dear Tracula experts

Is it possible to change the number of fibres per voxel in bedpostx (from 2 to 3) within the trac-all command?

I did not see any option for that.

Thanks in advance Cheers Jürgen

---

Jürgen Hänggi, Ph.D. Division Neuropsychology Institute of Psychology University of Zurich Binzmuehlestrasse 14, PO Box 25 8050 Zurich, Switzerland 0041 44 635 73 97 (phone office) 0041 76 445 86 84 (phone mobile) 0041 44 635 74 09 (fax office) BIN 4.D.04 (office room number) j.haenggi[at]psychologie.uzh.ch (email) http://www.psychologie.uzh.ch/neuropsy/ (website) http://www.juergenhaenggi.ch (private website)

This e-mail (and any attachment/s) contains confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy this e-mail. Any unauthorised copying, disclosure or distribution of the material in this e-mail is strictly forbidden.

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Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer

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