Dear experts,
thanks for all the help - seems we have to decide whether to
- do it right, later
- do it in a less optimal way now
therefore two last (hopefully) questions:
does anyone have a rough estimate on when there might be suitable code
available?
when flipping raw data, would you expect systematic error? it seems to
me that differences between hemispheres are generally smaller than
interindividual differences, nevertheless surface models of different
individuals work quite well.
Thanks again for any suggestions!
Best,
Kai
Jürgen Hänggi wrote:
Hi Bruce, Doug, and Mert
Thanks a lot
Regards
Jürgen
On [DATE], "Bruce Fischl" <[ADDRESS]> wrote:
I'll take that to mean "no,I don't have anything I am comfortable
distributing yet" :)
On Thu, 21 Jan 2010, Douglas N Greve wrote:
I've been working on this piece-meal. I think it's a bad idea to just throw
stuff out there without testing it. It will instantly become the standard and
then it will be a mess to try to undo.
Bruce Fischl wrote:
I see, so you don't want to flip it, you want to register left and right.
Mert and Doug: do either of you have stuff you would be comfortable
distributing yet?
On Thu, 21 Jan 2010, Jürgen Hänggi wrote:
Hi Bruce
We investigated patients with unilateral pain. For some patients, the pain
was on the left side, for others it was on the right side. We would like
to
do a group analysis on cortical thickness maps vertex-wisely but we do not
know whether it is possible to flip a surface model (e.g. the left
cortical
thickness map) so that we can pool patients with pain on the left with the
patients who have pain on the right.
Regards
Jürgen
On [DATE], "Bruce Fischl" <[ADDRESS]> wrote:
Hi Jürgen,
why would you flip the MR? What problem are you trying to solve?
Bruce
On Thu, 21
Jan 2010, Jürgen Hänggi wrote:
Dear FS experts
As far as I know from Doug, there are preliminary tools for flipping a
surface model (reversing left and right hemisphere)
http://www.mail-archive.com/freesurfer@nmr.mgh.harvard.edu/msg11896.html
Because these tools are not yet available I would like to know whether
you
would recommend to flip the raw MR image and the running recon-all on
this
flipped MR image.
Thanks in advance
Best regards
Jürgen
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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)
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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)
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