[Freesurfer] QDEC error writing fsgd and generating contrasts

2016-09-27 Thread Mürner-Lavanchy , Ines
Dear FreeSurfer Developers, I have the following problem and would be very happy if you could help me. I have searched the list and did not find the solution to my problem. I am using FS 5.1 because I have to reanalyze data which I preprocessed in 2014. Back then recon-all and all the

[Freesurfer] QDEC error writing fsgd and generating contrasts

2016-09-27 Thread Mürner-Lavanchy , Ines
Dear FreeSurfer Developers, I have the following problem and would be very happy if you could help me. I have searched the list and did not find the solution to my problem. I am using FS 5.1 because I have to reanalyze data which I preprocessed in 2014. Back then recon-all and all the

[Freesurfer] group analysis in specific ROI

2014-08-14 Thread Mürner-Lavanchy , Ines
Dear FS experts, I would like to do a group analysis, not over a whole hemisphere, but only whithin a ROI, which I define by myself. Following a description which I found in the list (https://mail.nmr.mgh.harvard.edu/pipermail//freesurfer/2010-January/013220.html), I painted a ROI, and ran

[Freesurfer] mean thickness over hemisphere in stats file

2013-08-09 Thread Mürner-Lavanchy , Ines
Dear experts, please excuse my question, I'm a beginner. I really searched for an answer in the archive, but I couldn't find out what I was doing wrong. I would like to write the mean cortical thickness of a hemisphere in the stats file. I read one can do that by using -m thickness. Where in

[Freesurfer] limited number of variables in qdec.table.dat?

2013-07-10 Thread Mürner-Lavanchy , Ines
Dear experts, is there a limitation concerning the number of variables in qdec (in qdec.table.dat)? I obtained different results when I included about 30 variables vs. only 10 variables in qdec.table.dat for exactly the same analysis, involving only 2 of the variables (I did not include the

[Freesurfer] motion cut off

2012-10-10 Thread Mürner-Lavanchy , Ines
Dear FreeSurfers, Due to motion I have to exclude participants from my analysis. Is there an objective measure which could serve as a cut off value concerning motion in the scanner? Can I find it in one of the FreeSurfer files generated through the recon-all process? Subjectively, one can

[Freesurfer] motion threshold

2012-09-26 Thread Mürner-Lavanchy , Ines
Dear FreeSurfers, Due to motion I have to exclude participants from my analysis. Is there an objective measure which could serve as a cut off value concerning motion in the scanner? Can I find it in one of the FreeSurfer files generated through the recon-all process? Subjectively, one can