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Hi SPMers,

          I have a few questions regarding multiple regression in SPM 5.Is
there a method to model nuisance variables for regression and look at
correlations with behavioral scores in the same design at second level? What
is the difference between the two options for covariates given in the
multiple regression model? How should the contrasts be made if a variable
(age, gender etc) is to be regressed and the effect of another (behavioral
score) is to be correlated? If one had to perform correlations with
behavioral scores, will one sample t test do if covariates are also modeled
alongside?

Thanks,

-- 
Sarika Cherodath
Graduate Student
National Brain Research Centre
Manesar, Gurgaon -122050
India