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Have you looked at
https://secure-web.cisco.com/1NC9Ltlp5uFU4Bul7SCRlbytQ23JMTs-YMiQzOu_NzomIa6nZaL9N2mnqsU-fD7m65HPlwySDLBF7P8y72mvWmJ2cqFY4Q7A-kc1lN34GNhVG7fhEbEjZ2nYpAGNhmTTP2u0r0ez1W6LHo-mzvMTgdai1mZ1lM0h09SynVVI3ISzORb1Igp1gKBl4FgILzFcDTDs0HWClx0ixL8NrcQKo57sNTw_Fj1Mt-DFi_L1K69clZ52oUP4pQulwH6BLc--Xjbu8aKzhofO63dgAG0Lzpw/https%3A%2F%2Fsurfer.nmr.mgh.harvard.edu%2Ffswiki%2FXhemi
?
In theory you can use the ROI values in the ?h.aparc.stats file. But the
atlas was not created in a symmetrical way, so their might be biases.
Not that that has ever stopped anyone in neuroimaging.
On 7/3/2023 1:07 PM, Carlos Alcocer wrote:
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Thank you. I guess I am still confused on how to actually get results
to visualize. I would like to assess left-right hemispheric cortical
asymmetry . Ideally, i would like the analysis to be paired (ie. L vs
R for each subject, rather than the average of L vs average of R
across subjects). How would I go about analyzing and visualizing this
in freesurfer using xhemi. Also is there a way to this with a ROI
rather than the whole brain?
Thanks,
Carlos
On Tue, Jun 20, 2023 at 9:26 AM Douglas N. Greve
<dgr...@mgh.harvard.edu> wrote:
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That map is whatever you are studying. Eg, lh.thickness
On 5/25/2023 1:30 PM, Carlos Alcocer wrote:
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Hello,
I am trying to do an asymmetry analysis using steps detailed in
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However, step 1.3 starts with running:
mris_apply_reg --src lh.map.mgh --trg lh.map.lh.fsaverage_sym.mgh
--streg $SUBJECTS_DIR/subject/surf/lh.fsaverage_sym.sphere.reg
$FREESURFER_HOME/subjects/fsaverage_sym/surf/lh.sphere.reg
What is this lh.map.mgh file? and where can I find it/how can i
make it?
Thank you,
Carlos
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