Hi Sal,
so you processed some data using the longitudinal stream (recon-all, recon-all -base and recon-all -long). Then you ran long_mris_slopes? Can you send the command that gives the error and the freesurfer version you are using?
Also check if the file /SUBJECTS_DIR/SUBJECT_ID/surf/lh.long.thickness-rate.fwhm10.fsaverage.mgz or .mgh exists and is readable.
Thanks, Martin
On 07/07/2014 01:53 PM, Salil Soman wrote:
Hi,
I have followed the steps in the longitudinal qdec tutorial (https://surfer.nmr.mgh.harvard.edu/fswiki/LongitudinalTwoStageModel), but when I try to analyze longitudinal features such as long.thickness-rate I get an error:
Error in analyze: Couldn't open /SUBJECTS_DIR/SUBJECT_ID/surf/lh.long.thickness-rate.fwhm10.fsaverage.mgz or .mgh file
Any suggestions on what I am doing incorrectly?
Best wishes,
Sal
-- Salil Soman, MD, MS Postdoctoral Research Fellow - Stanford Radiological Sciences Laboratory Fellow - Palo Alto War Related Illness and Injury Study Center WOC Neuroradiology Attending - Veterans Affairs Palo Alto Health Care System
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