[Freesurfer] problems on virtual machine

2009-11-27 Thread liyari5018
Dear freesurfer users: I don't know how to read my data in virtual system. When I tried to mount the local disk into virtual system, it asked for root authentication. Do you guys know about the password for root? LJ ___ Freesurfer mailing list Free

Re: [Freesurfer] problems on virtual machine

2009-11-27 Thread liyari5018
s Oliveira Junior" 写道: The password is brain2009 2009/11/27 liyari5018 Dear freesurfer users: I don't know how to read my data in virtual system. When I tried to mount the local disk into virtual system, it asked for root authentication. Do you guys know about the password for roo

[Freesurfer] QDEC

2009-12-04 Thread liyari5018
Hi all, I got a troble when I tried to use QDEC, an error occurred( My computer system: ubuntu 9.10, platform: CentOS4.8_x86_64_public): qdec.bin: error while loading shared libraries: libtiff.so.3: cannot open shared object file: No such file or directory How can I slove this problem? J _

[Freesurfer] QDEC

2009-12-18 Thread liyari5018
Hi all, What's wrong with my QDEC? Today, I use the FeeSurfer Tutorial: Surface Group Analysis with Qdec to analysis my data , when I carried out to '' Stats Data Import'', I press the 'Generate Stats Data Tables' button, but something happend to with a error(red letters ): mkdir -p /usr/l

[Freesurfer] Do I have to use two MPRAGEs to run recon-all?

2009-12-23 Thread liyari5018
Hi all, Merry Cristmas!!! I have a question about recon-all: Do I have to use two MPRAGEs to run recon-all? ThX! LJ ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer

[Freesurfer] some questions about group analysis

2010-01-22 Thread liyari5018
Hi all, When I completed the recommended recon-all step, I want to get the volume(or size) of amygdala for ecah individual subject and to do correlation analysis with psychological scale, how can I do this ??? For a group level analysis , should i do some head size correction befor ??? Tha

[Freesurfer] Clusterwise Correction for Multiple Comparisons

2010-03-16 Thread liyari5018
Hi all, I used QDEC compare differences between normal subjects and patients, the activation can be seen without correction, after correction by FDR ,all disappeared.I read about the Clusterwise Correction for Multiple Comparisons of the manual. I am confused about the meaning of C

[Freesurfer] why same structure has two different volume in aseg.stats and wmparc.stats, for example: amygdala.

2010-04-06 Thread liyari5018
Hi freesurfer experts, why same structure has two different volume in aseg.stats and wmparc.stats , for example: amygdala. thanks for your reply! LJ ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailma

[Freesurfer] questions about: fix bad talairachs tranforms

2010-04-21 Thread liyari5018
Hi freesurfer experts: 1\ when I finished the first step of recon-all(-autorecon1), check with tkregister2, do i need to check each slice or I just need to check few key anatomicals (Anterior / posterior commissures, the temporal lobes in the coronal plane, and the midline cut)? I thi

[Freesurfer] How to make the thickness of different subjects into one MGH file?

2010-05-13 Thread liyari5018
Hi Freesurfer experts, i want to know how to make different subjects'(suppose I have 10 subjects) lh.thickness.fsaverge.mgh (1*163842) into one mgh file(10*163842)? Thanks! LJ ___ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mai

[Freesurfer] Group analysis---qdec questions

2010-06-03 Thread liyari5018
Hi FS experts, when i use qdec to analysis my data: 45 norms and 45 patients, what does this means: Is there a diagnosis--gender interaction in the mean thickness? (PS: I got a corrected results in this item, but i don't know how to report it) Thanks for you reply! LJ

[Freesurfer] ROI-questions

2010-08-02 Thread liyari5018
Hi All, I use QDEC to compare two groups differences, find some regions with significant differences. Considering this regions as ROI, i want to extract the mean thickness of ROIs for every subject, then compute the correlation between mean thickness and some scales . My questions is :

[Freesurfer] QDEC or SPSS?

2010-11-08 Thread liyari5018
Hi all, I do group analysis using QDEC to detect the difference between the normal group and the patient group, the result shows some significant difference brain area (normal > patient, red, uncorrected p=0.001). I extract the average cortical thickness in this area(ROI), then export tho

[Freesurfer] two questions about qdec

2011-04-25 Thread liyari5018
Hi all, I have two questions about QDEC: 1\Is there anyway to auto (not manually draw ROI) extract information (include area, the max p-value, the num of vertexes) from the significant different area? Or how can I extract the information quickly? 2\Is the coordinates in qdec belong to 'Talairach