[Freesurfer] make_average_subject

2007-12-03 Thread Emily Trittschuh
Dear List,
 
Awhile back Cameron Ellis wrote to the listserv to ask about stats files for
make_average_subject results. 
He was looking for information on the # of vertices and I believe he found
another way to obtain that info.
 
I would like to revert to his orginal question of whether there is any way
to generate an ?.aparc.stats file from the make_average_subject command. 
I have a group of older normal controls that I want to turn into an
"average" subject. They (as a mean individual) will be used for comparison
with individual patients with an unusual form of dementia. 
It seems that as I move the cursor over the ?.avg_thickness surface it IS
showing local numbers for thickness, but I can't find any stats files that
will provide me with the std dev for these measurements. In addition I would
love to be able to compare the results of the cortical parcellations between
subjects and the average subject.
 
Thank you!
 
Emily
 
Emily Trittschuh, PhD
Neuropsychology Post-doctoral Fellow
Cognitive Neurology and Alzheimer's Disease Center
Northwestern University Feinberg School of Medicine
320 E. Superior Street, Searle 11-579
Chicago, IL 60611
phone 312/503-1155
fax 312/908-8789
 
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[Freesurfer] Gray Matter Mask - twist on previous post

2008-01-09 Thread Emily Trittschuh
Dear Group,
 
Back in April, Anil Roy posted a question about methods to generate a gray
matter mask that can be fed into AFNI . . . I'm wondering if the opposite
can be done? Can a functional mask made in AFNI be fed easily into
Freesurfer?  Currently this mask is saved as a NIFTI dataset.
 
Thank you.
Emily
 
Emily Trittschuh, PhD
Neuropsychology Post-doctoral Fellow
Cognitive Neurology and Alzheimer's Disease Center
Northwestern University Feinberg School of Medicine
320 E. Superior Street, Searle 11-579
Chicago, IL 60611
phone 312/503-1155
fax 312/908-8789
 
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