[Freesurfer] Planum temporale measurement

2016-02-04 Thread Adam David Felton
Hello, I checked the listserv history, but couldn't find an answer to my question: With the 2009 parcellation scheme, 1) does the planum temporale parcellation include the posterior ascending ramus (which Destrieux et al. 2010 seems to imply) and 2) does the planum temporale include the

[Freesurfer] LGI Path Question

2013-02-27 Thread Adam David Felton
Hello, I'm trying to run LGI. We have the 2012 version of matlab and the image processing toolbox. I've looked at several threads dealing with path issues, but have been unable to fix my problem. I think our problem is that when I run recon-all -s ucr001_4-11 -localGI it seems to start up

Re: [Freesurfer] pars triangular and BA44 segmentation bug?

2012-06-26 Thread Adam David Felton
We have data from 200 college students using Freesurfer 4.5 Mac 10.6.8. We looked at both surface area and volume asymmetries. For surface area for Triangularis, there is a small leftward asymmetry averaged over the whole sample. 113 participants have leftward asymmetry and 85 have rightward

[Freesurfer] make average subject error

2012-02-14 Thread Adam David Felton
Hello, I have run into an error while trying to make an average subject using 200 scans. When I ran this command I got an error: *make_average_subject --xform talairach.xfm --out 200avgsub --subjects* The error: Allocing output mri_concat(40491) malloc: *** mmap(size=262144) failed (error

[Freesurfer] Study-average brain and Talaraich

2012-01-23 Thread Adam David Felton
Hello. Instead of using Freesurfer's averaged brain in qdec, I ran the following command to create an average of our participants: recon-all -s [subject] -qcache target avgsub While running, it reported the following for every subject: Error: could not open file

[Freesurfer] Brain volume covariate problem in QDEC

2011-09-15 Thread Adam David Felton
Hello, I am using Qdec to analyze thickness (etc) using various IVs (e.g., Verbal IQ) while controlling for cortical grey matter volume (or ICV) as a nuisance factor. With the exception of the IV Sex, every time I run the analysis it goes into an endless loop, sporadically stating that the