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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Hi all,<o:p></o:p></span></font></p>
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10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>If you want to unsubscribe the email list,
please go to <a
href="http://lists.mristudio.org/mailman/listinfo/mristudio-users">http://lists.mristudio.org/mailman/listinfo/mristudio-users</a>
and change the option of your account. If you can’t figure out how to do it, please
send us an email. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Susumu<o:p></o:p></span></font></p>
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10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
mristudio-users-bounces@mristudio.org
[mailto:mristudio-users-bounces@mristudio.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Lou muscarella<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, November 03, 2008
4:29 PM<br>
<b><span style='font-weight:bold'>To:</span></b> DTI Studio, ROI Editor,
Landmarker Questions/Support<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [Mristudio-users]
Alternative way</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>How do I get off this list
serve? Please take me off<br>
> Date: Mon, 3 Nov 2008 21:09:17 +0900<br>
> From: dearfreud@gmail.com<br>
> To: mristudio-users@mristudio.org<br>
> Subject: Re: [Mristudio-users] Alternative way<br>
> <br>
> Dear Dr Mori,<br>
> <br>
> <br>
> Thank you very much for your kind, detailed explanation.<br>
> <br>
> I'd like to go through each method you've shown and choose one.<br>
> <br>
> <br>
> Sincerely,<br>
> <br>
> Takahiko Kawashima<br>
> > Dear Takahiro,<br>
> ><br>
> ><br>
> ><br>
> > There are two options, as you already know. One is to report the <br>
> > average FA of the entire reconstructed fiber. After reconstruction, <br>
> > you get only one FA number. If you use CUT, that is the averaged FA <br>
> > of all pixels in between the two ROIs.<br>
> ><br>
> ><br>
> ><br>
> > The second option is to report FA of pixels at each axial, <br>
> > sagittal, or coronal slice. This is a good method for something <br>
> > like the corticospinal tract, which is rather linear. <br>
> > Unfortunately, for something like the UF and corpus callosum, with <br>
> > U-shape trajectory, this approach is not optimum.<br>
> ><br>
> ><br>
> ><br>
> > At this point, there is not a good solution for that. There may be <br>
> > some time consuming way to separate the U-shape trajectory to two I- <br>
> > shape trajectories. For example, you can save the tracking results <br>
> > as a 1/0 binary image and read it by RoiEditor. Using the threshold <br>
> > tool, you can re-define the pixels within the UF in RoiEditor. With <br>
> > a bit of trick like manually introduce a gap within the trajectory, <br>
> > you can separate the one U-shape trajectory to two regions like <br>
> > upper UF and lower UF. Then RoiEditor can report FA values along <br>
> > coronal planes.<br>
> ><br>
> ><br>
> ><br>
> > Well, maybe this is too complicated. Alternatively, you can use <br>
> > Landmarker to normalize the binarized UF images and create a pixel- <br>
> > by-pixel population-averaged map, although, you introduce a new <br>
> > nuisance factor (= registration quality).<br>
> ><br>
> ><br>
> ><br>
> > Susumu<br>
> ><br>
> ><br>
> ><br>
> > From: mristudio-users-bounces@mristudio.org [mailto:mristudio-users- <br>
> > bounces@mristudio.org] On Behalf Of Takahiko Kawashima<br>
> > Sent: Sunday, November 02, 2008 11:25 AM<br>
> > To: mristudio-users@mristudio.org<br>
> > Subject: [Mristudio-users] Alternative way<br>
> ><br>
> ><br>
> ><br>
> > Dear users,<br>
> ><br>
> ><br>
> ><br>
> > Hi,<br>
> ><br>
> ><br>
> ><br>
> > I'm trying to calculate FA of tracts not running along only one <br>
> > axis, such as uncinate fasciculus (UF).<br>
> ><br>
> ><br>
> ><br>
> > At first I planned to combine CUT with other operations to <br>
> > calculate FA only between the CUT ROIs (in the case of UF, one one <br>
> > coronal and one on axial slice).<br>
> ><br>
> > But recently I've found it was a fundamental misunderstanding. (by <br>
> > reading Dr<br>
> ><br>
> ><br>
> ><br>
> > If possible, I'd like to get a mean FA of summed "each
fiber" FA in <br>
> > depicted fibers within a defined region.<br>
> ><br>
> > Could anybody tell me some alternative ways to do this, please?<br>
> ><br>
> > Or, if I want to calculate FA within a defined region, can't I do <br>
> > anything but to consider a mean FA of "all the voxels" on
which the <br>
> > fibers run?<br>
> ><br>
> ><br>
> ><br>
> > Because I am totally a beginner and poor in English, this question <br>
> > might look quite embarrassing and illegible.<br>
> ><br>
> > I hope your kind answer, and I'll really appreciate it.<br>
> ><br>
> ><br>
> ><br>
> ><br>
> ><br>
> > Best Regards,<br>
> ><br>
> ><br>
> ><br>
> > Takahiko Kawashima @ <st1:City w:st="on"><st1:place w:st="on">Kyoto</st1:place></st1:City>
university<br>
> ><br>
> > _______________________________________________<br>
> > Mristudio-users mailing list<br>
> > Mristudio-users@mristudio.org<br>
> > http://lists.mristudio.org/mailman/listinfo/mristudio-users<br>
> _______________________________________________<br>
> Mristudio-users mailing list<br>
> Mristudio-users@mristudio.org<br>
> http://lists.mristudio.org/mailman/listinfo/mristudio-users<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'>When your life is on the go—take your life with you. <a
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