Re: [Freesurfer] Freesurfer vertex wise area reference

2013-01-17 Thread Anderson M. Winkler
Dear Mahinda, For the mris_preproc, I think Doug posted already explaining how it works - it uses a jacobian correction in a way that makes it mass-conservative. You may want to search the archives. For the ROIs, the standard method is to add up the areas of their constituent vertices, so it shoul

[Freesurfer] Freesurfer vertex wise area reference

2013-01-16 Thread MAHINDA YOGARAJAH
Hi, Sorry to be a little more specific - I am aware of freesurfer area references such as the WInkler reference but basically wanted a few lines, and the most appropriate references, that summarises the technical approach used for group area comparisons in qdec (using updated mris_preproc), an

[Freesurfer] Freesurfer vertex wise area reference

2013-01-16 Thread MAHINDA YOGARAJAH
Dear Experts, What references can I use in a write up for the use of area measures in both vertex wise GLM and ROI based analyses. I have looked at the recommended citation blurb on the website but see nothing about specific references for area. I am using FS v5.1 with the modified mris_ p