Dear SPM fans,
can someone explain to me and if possible guide me to some literature as
to why the onsets need to start at 0 (zero) when entered in SPM?
Also, if the onsets start at zero and are written into the design
matrix, should regressors that I input manually (not the motion
parameters rp_*.txt file) also start at 0? If they don't then I suppose
they won't line up with the onsets, since both of them are columns in
one matrix.
Cheers,
Glad
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Glad MIHAI, M.Sc. Biomedical Physics
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Uni-Klinikum Greifswald
Walther-Rathenau-Straße 46
17489 Greifswald
www.baltic-imaging-center.de
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