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Thank You so much for your help. On Thu, Apr 18, 2013 at 4:38 PM, Michael Chappell <[log in to unmask]>wrote: > If you want to do a simple t-test between the two groups then you should > be able to use FEAT and do a 'higher-level' analysis testing your CBF maps > as the parameter estimates. This would then be the same procedure as a BOLD > higher level analysis so you can consult that section of the help pages. > Alternatively you can use the non-parametric method in randomise for the > same job. > You might like to determine if the CBF images you are getting from your > scanner are in absolute or relative units. If the latter then there could > be some extra global scaling between individuals that is not purely > perfusion differences. > > Michael > > On 15 Apr 2013, at 10:07, Bhaswati Roy <[log in to unmask]> wrote: > > > Dear Sir, > > > > We have obtained CBF maps derived from 3D pseudocontinous ASL imaging > from 20 controls and 20 patients. CBF maps are generated from the scanner > itself. We want to generate maps showing regions where CBF values are > different of patients than control. I am very much confused as to use which > FSL tool for generating these maps. > > > > Thanks in advance > > > > Regards > > Bhaswati >