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Hi Ekaterina, Yes, it looks right. You may want to add the negative contrasts too, to investigate the effect in the opposite direction for these 6 continuous regressors, and correct across them all with "-corrcon". All these contrasts are tested with a single design as here, so it's fine. All the best, Anderson On Thursday, 3 August 2017, Ekaterina Dobryakova <[log in to unmask]> wrote: > Hi Anderson, > > here is part of the design matrix and the contrast file: > > design.mat: > /NumWaves 8 > /NumPoints 453 > /PPHeights 9.687500e-01 2.700000e+01 3.300000e+01 > 3.600000e+01 4.200000e+01 3.500000e+01 1.100000e-01 0.000000e+00 > > /Matrix > 3.114585e-01 3.300000e+01 2.400000e+01 3.500000e+01 > 1.500000e+01 3.700000e+01 6.000000e-02 1.000000e+00 > 4.213544e-01 3.500000e+01 2.900000e+01 3.400000e+01 > 1.500000e+01 3.300000e+01 1.000000e-01 1.000000e+00 > 7.830731e-01 2.600000e+01 2.300000e+01 3.900000e+01 > 1.300000e+01 2.900000e+01 8.000000e-02 1.000000e+00 > 5.843752e-01 2.600000e+01 3.500000e+01 3.700000e+01 > 1.200000e+01 2.800000e+01 6.000000e-02 1.000000e+00 > 9.497398e-01 3.200000e+01 2.200000e+01 3.600000e+01 > 2.000000e+00 2.600000e+01 5.000000e-02 1.000000e+00 > ....... > > contrast.con > /NumWaves 8 > /NumPoints 6 > /PPHeights 1.000000e+00 1.000000e+00 1.000000e+00 > 1.000000e+00 1.000000e+00 1.000000e+00 0.000000e+00 0.000000e+00 > > /Matrix > 1.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 > 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 > 0.000000e+00 1.000000e+00 0.000000e+00 0.000000e+00 > 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 > 0.000000e+00 0.000000e+00 1.000000e+00 0.000000e+00 > 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 > 0.000000e+00 0.000000e+00 0.000000e+00 1.000000e+00 > 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 > 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 > 1.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 > 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 > 0.000000e+00 1.000000e+00 0.000000e+00 0.000000e+00 > > The first 6 columns correspond to personality and impulsivity measures > obtained outside of the scanner. The last column is motion that I am > including in the model simply to control for it. > > So putting these in one design file will be the same as using 6 separate > design files in one palm command? > > Thank you for all your help. > > Regards, > Ekaterina > > >