Hi Katie
what do you want to do with them?
Bruce
On Tue, 11 Sep 2012, Katie Bettencourt wrote:
Another question. If I have a list of talairach coordinates, is there someway
to load those without having to do it
individually? Or someway to save the points after scripting to run through
select_talairach_point individually (as just redoing
the command will lose the previous point each time)?
Katie
On Wed, Sep 5, 2012 at 2:02 PM, Katie Bettencourt <k...@wjh.harvard.edu> wrote:
Nevermind, it turns out it was due to an permissions error.
Thanks again.
Katie
On Wed, Sep 5, 2012 at 12:53 PM, Katie Bettencourt <k...@wjh.harvard.edu> wrote:
Ok, I am trying to use the select_talairach_point command, and I have it
in part of a script that uses
tksurfer to load up a subject's inflated surface, load the curvature, and
load an overlay, but it doesn't seem
to be doing anything. Is there a step I am missing? What should I see
if it works correctly?
Thanks for all your help!
Katie
On Wed, Sep 5, 2012 at 9:19 AM, Bruce Fischl <fis...@nmr.mgh.harvard.edu> wrote:
Hi Katie
you can view data on a tal brain by mapping the data using the
talairach.xfm transform. Since you can
also use the inverse of the transform you can map both ways. I think
there is a tcl command in tksurfer
for finding the vertex that is closest to a given tal coord. Try:
select_talairach_point <xtal> <ytal> <ztal>
cheers
Bruce
On Tue, 4 Sep 2012, Katie Bettencourt wrote:
Hrm. Ok, is there any way to view data for a subject in Freesurfer
on a
talairach transformed brain? What I would be hoping to do is bring
up the
data in native subject space, make any ROI label, then also bring
the data
up on a talairach transformed brain, make a ROI label, then put
both labels
on the same brain (either native or talairach transformed) and see
if they
are any different.
Also, is there a way to input a particular talairach vertex and
jump to that
in freesurfer, instead of just moving the mouse around and hoping
to find
the right spot?
Katie
On Tue, Sep 4, 2012 at 12:24 PM, Bruce Fischl
<fis...@nmr.mgh.harvard.edu>
wrote:
Hi Katie
I don't think anyone here knows how to do this as we don't use
it. Perhaps the Brain Voyager people do?
sorry,
Bruce
On Tue, 4 Sep 2012, Katie Bettencourt wrote:
So our lab is running a couple analyses and we
are getting different results based on whether we
use Brain Voyager or
Freesurfer that we think is due to different
ROI selection across the two platforms. Is there
anyway to load a
BrainVoyager ROI into freesurfer? The BV data
has been talairach transformed, does that matter?
Less optimal would
be loading a freesurfer ROI into BV, but if
that's easier, we could try that way too.
Any help would be appreciated.
Katie
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