Dear Joana,
at this point, a "true" longitudinal version of the subfield
segmentation is not available. However, we have noticed that you can
get slightly better (more stable) results by segmenting the
subfields in the longitudinally processed timepoints - rather than
the original, cross-sectionally analyzed subjects that you used to
create the base.
In other words: rather than running
recon-all -subjid tpN -hippo-subfields
you should run
recon-all -subjid tpN.long.base -hippo-subfields
Cheers,
Eugenio
On 11/06/2013 11:32 AM, Joana Braga
Pereira wrote:
Dear all,
I'm interested in assessing the changes in the volumes of
hippocampal subfields between 2 time points.
Can I use the longitudinal pipeline of Freesurfer and add
the -hippo-subfields flag to the longitudinal runs of the 2
time points?
Thanks!
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Juan Eugenio Iglesias, PhD
http://www.jeiglesias.com
iglesias@nmr.mgh.harvard.edu
Athinoula A. Martinos Center for Biomedical Imaging
149 Thirteenth Street, Suite 2301
Charlestown, Massachusetts 2129
U.S.A.