External Email - Use Caution        

Dear PetSurfer and Freesurfer Developers,

I would like to run partial volume corrections on amyloid PET images (from ADNI) with PetSurfer. 

I have downloaded the amyloid PET images that were intensity normalized to the cerebellar GM.


However, I noticed that the PVC analysis in PetSurfer uses the Pons as a reference region.


I don't have much experience with PET analyses but I was wondering 

1.1 If I should use the same reference region for the PVC?

1.2 If so, how can I change the Pons for the Cerebellar GM in the commands on the website?

I found a similar question raised in the forum (MailScanner has detected a possible fraud attempt from "secure-web.cisco.com" claiming to be https://www.mail-archive.com/freesurfer@nmr.mgh.harvard.edu/msg52918.html) and the provided solution is to add ¡®--rescale 7 8 46 47¡¯ for left and right cblum wm and gm.

2.1 Does ¡®--rescale 7 8 46 47¡¯ suit my question 1?

2.2 If so, where can I find the whole list of ids that specify every brain region in the left and right hemispheres? 

Thank you.

Best,

Yu-Wei


****************************
Yu-Wei Chang íåëÀêÔ
Doctoral student
 
UNIVERSITY OF GOTHENBURG
Department of Physics
Gothenburg, Sweden