Sorry I was commenting on the screenshots in your previous email. I thought 
they were from freeview. We do not support Qdec anymore in 7.x versions.

Ruopeng

On Oct 19, 2020, at 11:09 AM, 李梦君 
<meng...@csu.edu.cn<mailto:meng...@csu.edu.cn>> wrote:


        External Email - Use Caution

Thanks for your help, I have tried FS 7.1.1, while there is no Qdec command 
when I tried FS 7.1.1 in the terminal window. How should I start the Qdec in 
the 7.1.1 version.

Best wishes
Mengjun Li



-----原始邮件-----
发件人:"Wang, Ruopeng" <rwa...@mgh.harvard.edu<mailto:rwa...@mgh.harvard.edu>>
发送时间:2020-10-19 21:07:45 (星期一)
收件人: "Freesurfer support list" 
<freesurfer@nmr.mgh.harvard.edu<mailto:freesurfer@nmr.mgh.harvard.edu>>
抄送:
主题: Re: [Freesurfer] Problem of the Mapping Label to the Subject

I think this is a bug in freeview from FS 6.0.0 that has been fixed in 7.x. 
Would it be possible for you to try FS 7.1.1? A quick workaround you may try 
first is to change the offset for the inflated surface to 0 0 0 in freeview 
6.0.0.

Best,
Ruopeng

On Oct 19, 2020, at 2:38 AM, 李梦君 
<meng...@csu.edu.cn<mailto:meng...@csu.edu.cn>> wrote:


        External Email - Use Caution




Dear FreeSurfer Developers:

  My name is Mengjun Li, I am a MD in the Second Xiangya Hospital, Central 
South University. I compared the cortex, area, volume in the mild traumatic 
brain injury patients with health control by the FreeSurFer and found the 
problem when mapping label to the single subjects.

  There is statistic difference in the area and volume between the mild 
traumatic brain injury patients and the health control, I defined the statistic 
difference region as a label on the fsaverage and mapped this label to subjects 
by the Qdec. Although the label defined on the fsaverage was mapped onto all 
subjects successfully,the label in the subjects did not match well with the 
inflated cortex of the subjects. At the same time, the volume and area value of 
the label have been extracted in every subject and I found that there is no 
statistic difference between the mild traumatic brain injury patients and 
health control. I have checked the segmentation of every subjects and it was a 
good job done by FreeSurFer. Attached figures illustrated the label mapping 
results.

Figure 1: the label defined on the fsaverage
Figure 2: the lateral view of the label in the subjects
Figure 3: the inferior view of the label in the subjects

FreeSurfer version: freesurfer-Darwin-OSX-stable-pub-v6.0.0-2beb96c
Platform: macOS High Sierra

  I am sending this email for help since I am not sure how to fix this problem. 
Looking forward to hearing your reply! Thank you very much!

Best wishes
Mengjun Li
Second Xiangya Hospital
Central South University.





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