Dear Uma, There is my previous responses similar to your inquiry here: https://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=spm;f16c9ac2.1401 https://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=spm;7c44401b.1405 We are also currently very close to adding a chapter in SPM manual on resting state DCM for fMRI as a step by step guide so watch this space. I hope this helps. Adeel On Fri, Jul 31, 2015 at 9:30 AM, UMA K <[log in to unmask]> wrote: > Dear SPM experts, > > Could you please describe step up step procedure to do stochastic DCM for > resting state fMRI using SPM. What is the difference between Stochastic DCM > and Spectral DCM. What is the difference in the procedures to perform these > using SPM > > UMA K > >