[Freesurfer] medialorbitofrontal_area

Hi all, I am doing a study about the medialorbitofrontal, and I am having some strange area  results in a lot of subjects. The rh areas are much higher than the lh areas of medialorbitofrontal: Some examples: lh rh 1714.0 2822.0 1720

Re: [Freesurfer] medialorbitofrontal_area

It's not unusual to have asymmetries in some patients. I have seen some myself in AD. Have you checked the segmentation in those areas? - Pedro Paulo de Magalhães Oliveira Junior Diretor de Operações Netfilter & SpeedComm Telecom

Re: [Freesurfer] Talairach xform problem

sounds like the talairach.xfm is degenerate. Can you start with the identity matrix instead? cheers Bruce On Thu, 12 Aug 2010, Tricia Merkley wrote: Hi Bruce, Yes, I can get tkregister2 to run properly, but the "moveable" image is just a single bright line.  When I try to scale, translate,

Re: [Freesurfer] autorecon2

Hi Maureen, if you exit tkmedit and reload the wm.mgz before rerunning recon-all are your edits in it? It shouldn't matter whether you edit/save in the main or aux volume. cheers Bruce On Wed, 11 Aug 2010, Mareen Kussatz wrote: Hi to all, after correcting white matter problems, we saved t

Re: [Freesurfer] medialorbitofrontal_area

What is the best way to check the segmentation in medialorbitofrontal area? I have almost every subjects with this abnormal areas on rh. They are from healthy population. Thanks for the help, Miguel. It's not unusual to have asymmetries in some patients. I have seen some myself in AD. Have y

Re: [Freesurfer] medialorbitofrontal_area

What's the total surface area of the rh? Is it bigger than the lh? On Fri, 13 Aug 2010, Jose Soares wrote: What is the best way to check the segmentation in medialorbitofrontal area? I have almost every subjects with this abnormal areas on rh. They are from healthy population. Thanks for th

[Freesurfer] Error in selxavg3-sess with -sf option

Hi,   I ran the selxavg3-sess with -sf to process a group of 12 sessions (see below).   selxavg3-sess -sf Sessid -a Analysis.rh    After hours, it finished without any error. The last message was:   rawfunc2surf-sess completed then: then/endif not found.   But there is no "Anal

Re: [Freesurfer] medialorbitofrontal_area

Hi Jose, If you're using Freesurfer 4.5, the aparcstats2table program has a known bug that causes the columns to be written in a random order. Depending on how you create a database from these files, it could lead to what looks like a large asymmetry, when really you're just comparing columns fro

[Freesurfer] loading surfaces in freeview

Hi, when I try to load my own generated surfaces in freeview (e.g. generated from cerebellum), I am getting the following printed errors even though it did save out the images I want. Seems like freeview is assuming that ?h.inflated, etc has the same dimensions as the surfaces I am loading

[Freesurfer] mri_convert sort dicom files??

Hi! Does mri_convert sort dicom files in a different way for Siemens' dicom file? I have dicom files from GE, Philips and Siemens. They have the same ImagePositionPatient and SliceLocation tags. But volume from Siemens flip in the 3rd dimension? Why is it?? I know it doesn't matter as long as