Hi,
I have 3 contrasts between conditions in a between group comparison on
the volume, and I'm using mri_volcluster to get information about the
data. For some reason, while two of the contrasts (ASvfix and ASevASc
as shown below) are compatible with the register.dat file for these
contrasts, one of the contrasts (ASevifx) is not compatible. I'm not
sure why or how this could be the case, but I need to register it
somehow, in order for the talairach coordinates to be listed correctly.
What do you think is wrong or different about this one contrast? Is
there anything that I can do to fix this incompatibility so that it will
register the correct coordinates? (detailed info for reproducing the
problem is included below).
Thanks,
Rob
To reproduce the problem:
source /usr/local/freesurfer/nmr-dev-env
# ( but I also get the same exact results using stable 3 )
setenv SUBJECTS_DIR /space/ventzl/1/users/SUBJECTS_DIR
cd $SUBJECTS_DIR
# this contrast is not compatible with register.dat
mri_volcluster \
--in BwGroupError5/bold/EMerror/tal-rfx/ASevfix/sig_000.bfloat \
--thmin 3.230014 \
--reg BwGroupError5/bold/EMerror/tal-rfx/register.dat \
--frame 6
# these 2 contrasts work
mri_volcluster \
--in BwGroupError5/bold/EMerror/tal-rfx/ASvfix/sig_000.bfloat \
--thmin 4.668773 \
--reg BwGroupError5/bold/EMerror/tal-rfx/register.dat \
--frame 6
mri_volcluster \
--in BwGroupError5/bold/EMerror/tal-rfx/ASevASc/sig_000.bfloat \
--thmin 3.524190 \
--reg BwGroupError5/bold/EMerror/tal-rfx/register.dat \
--frame 6
--
Robert P. Levy, B.A.
Research Assistant, Manoach Lab
Massachusetts General Hospital
Charlestown Navy Yard
149 13th St., Room 2611
Charlestown, MA 02129
email: [EMAIL PROTECTED]
phone: 617-726-1908
fax: 617-726-4078
http://nmr.mgh.harvard.edu/manoachlab
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