See https://www.jiscmail.ac.uk/cgi-bin/webadmin?A2=SPM;74982571.0909 Vladimir On Tue, Jul 21, 2015 at 7:09 PM, Fabienne Jung <[log in to unmask]> wrote: > Dear all, > > can somebody explain, what happens when I enter [-1 1] as the between > trial effects rather than [0 1] and maybe give an example for specific > experiments that use the first modelling method? I do not really understand > the text in the manual. > > Thank you in advance! > > Best > Fabienne >