Re: [Freesurfer] longitudinal measures

2013-11-06 Thread Qi Wu
Thank you so much Martin. It is a very simple yet fantastic solution! Keith On Wed, Nov 6, 2013 at 2:19 PM, Martin Reuter wrote: > Ups, sorry, missed your mail. > > you can get the difference by two ways: > > - you simply subtract the thickness maps in each subject by yourself and > then use tha

Re: [Freesurfer] longitudinal measures

2013-11-06 Thread Martin Reuter
Ups, sorry, missed your mail. you can get the difference by two ways: - you simply subtract the thickness maps in each subject by yourself and then use that for the analysis - you put 0 and 1 into the longitudinal qdec table for the two time points. When the time distance is 1, the rate will b

[Freesurfer] longitudinal measures

2013-10-24 Thread Qi Wu
Hi Freesurfer users, For the longitudinal stream in FS5.1, there are only 4 options of measures (do-avg, do-rate, do-pc1 and do-spc). However, if I need other measures, such as the difference between two time points (thick2-thick1), how should I do to get the values and still be able to do the vox