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Dear Yass, You may find the following reference inspiring. Lange et al., 1999, Plurality and Resemblance in fMRI Data Analysis, http://www.sciencedirect.com/science/article/pii/S105381199990472X These authors: "apply nine analytic methods employed currently in imaging neuroscience to simulated and actual BOLD fMRI signals and compare their performances under each signal type." (Including SPM and ICA). best, Peter Peter Mondrup Rasmussen, Center of Functionally Integrative Neuroscience (CFIN), Aarhus University Hospital, Denamrk On 08/03/2012 12:55 PM, Yass. Jd. wrote: > > Dear all, > > I am trying to compare the GLM method with others such as ICA and > Hybrid methods. In order to do that, I would like to compare the > activation maps produced by these methods. > > How can I can access the results of SPM (SPM.mat) in a normalized and > automatic way to be compared with others activations with a similarity > index or something ? Knowing that ICA results will come from another > software ... > > I am a beginner in this topic so any help is welcome ! > > Thank you very much ! > > Yass JD. >