[Freesurfer] Why the result was not same for the same subject

Dear experts I used freesurfer (Version 5.3) to calculate one subject for ten times and extract the number of each index. However, I found that the number was different each time. Is this normal? Why the result was not same for the same subject? Thank you Wang Kangcheng ___

Re: [Freesurfer] Fwd: mpr2mni305 failed, see transforms/talairach_avi.log

Hi Venkat I'll cc Avi Snyder. Avi: do you know what this error message means? thanks Bruce On Sat, 21 Jun 2014, Venkateswaran Rajagopalan wrote: Dear All, I am sorry to post this again. Any help will be greatly appreciated. I am struck as I am unable to run the recon-all step. Thanks Ven

Re: [Freesurfer] Why the result was not same for the same subject

Hi Wang what do you mean "the number of each index"? And do you mean you analyzed the exact same data 10 times on the exact same hardware? cheers Bruce On Sat, 21 Jun 2014, wangkangcheng_gmail wrote: > Dear experts > > I used freesurfer (Version 5.3) to calculate one subject for ten times and

[Freesurfer] mris__label__calc intersect error in longitudinal qcache

Hi, I'm having trouble figuring out following problem: For one subject (out of 200), I get the following error (this error only persists for the right hemisphere-- left hemisphere works fine for this subject). mris_label_calc intersect /SUBJECTS_DIR/sub2.long.subt/label/rh.cortex.label /SUBJECTS

Re: [Freesurfer] Why the result was not same for the same subject

Dear Bruce Yes. The following is an example result for the subject (The id from Sub_1 to Sub_10 is the same subject) that I calculate ten times. rh.aparc.a2009s.volume rh_G_and_S_frontomargin_volume Sub_1 1713 Sub_2 1950 Sub_3 1789 Sub_4 1783 Sub_5 1879 Sub_6 1778 Sub_7 1892