Dear Doug,
I have tested the various options of register-sess. The result was a succesful
registration of the functional
to the anatomical image. This registration with register-sess is performed
after preproc-sess failed to achieve
a proper registration. The register.dof6.dat file is updated
I have a DTI dataset with 10 b0 and gradient 30 directions. I would like to
remove one or two volumes from the dataset and then repackage the data. How do
I do this?
thank you
Marie Drottar, MA
Research Assistant
Division of Newborn Medicine
Fetal-Neonatal Neuroimaging & Developmental Sci
Not sure if this is the simplest way but mri_convert --split, followed by
mri_concat, should do it. You'll also have to remove the respective
gradient directions from the gradient file.
Hope this helps,
a.y
On Wed, 27 Jun 2012, Drottar, Marie wrote:
> I have a DTI dataset with 10 b0 and gra
You should run preproc-sess again to make sure that all the files that
need to be updated after the registration are properly updated. This
should not change the registration -- it should just look at the time
stamps of the files and update any that need updating. However, if the
files earlie
P.S.:I executed the following sequence to achieve the first level analysis with
a correct registration.
preproc-sess -s session_id -fsd bold -sliceorder siemens -surface fsaverage
lhrh -mni305 -fwhm 0 -per-run
register-sess -s session_id -fsd bold -per-run -init-header
preproc-sess -s session
Dear FreesurfersI'm starting to deal with the FS v5.1 hippocampal subfields segmentation, and I have a couple doubts...If I have my subjects segmented from an older FS version, Would be any problem when running the -hippo-subfields?I'm guessing not, but I wanna be sure. Because, as I've looked the
No, that looks correct.
doug
On 06/27/2012 12:05 PM, Jörg Pfannmöller wrote:
> P.S.:I executed the following sequence to achieve the first level analysis
> with a correct registration.
>
> preproc-sess -s session_id -fsd bold -sliceorder siemens -surface fsaverage
> lhrh -mni305 -fwhm 0 -per-run
Freesurfers-
Question, when looking for interactions to justify using DOSS say i am
looking at cortical thickness and i have two discrete variables (G1 and G2)
and 4 continious variables (V1, V2, V3, V4). My thinking is that i should
look to see if there are interactions with the groups and each i
Hi,
I just installed Freesurfer on my Mac Lion. When I ran recon-all, I got the
following error.
Can't locate MNI/Startup.pm in @INC (@INC contains:) at
Applications/freesurfer/mni/bin/nu_coorect line 37.
BEGIN failed--compilation aborted at
/Applications/freesurfer/mni/bin/nu_correct line
If the covariates are collinear, then you can't properly estimate the
model. They are collinear if they explain the variance of each other.
I would first test for the relationship of your covariates before putting
them into the model as you don't want the covariates to be collinear.
Best Regards,
Hello,
I'm trying to run selxavg3-sess with FS v4.5 for an FIR analysis where each
trial is modeled as a separate condition. The command works smoothly for
the majority of subjects, but for 2 different subjects, it exits with the
following error:
Saving X matrix to
/home/sam/fMRIDATA/samstudies/
Hi,
I am in the testing process of Freesurfer on a 64-bit Ubuntu installed
personal computer.
However when I run the qdec command as suggested in the testing stages I
receive the following error.
qdec.bin: error while loading shared libraries: libXss.so.1: cannot open
shared object file: No such
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