Dear SPMer,
I have a rapid event-related design. Say, the duration of a event (trial) is
5s, and my TR = 2.5s, I wonder if each SOA of a trial needed in the spm
design should be given two values, e.g. [4 5], cause the duration equals to 2
TR, or only the begining time of a trial should be given to the SOA, e.g. [4]?
Since the duration of a event design is always set to 0, I wonder how the
duration of a event is treated in the spm.
Another question is, if the duration of my null event should be a multiple of
5s, or any time is OK.
Thanks a lot.
Best Regards,
maxnow
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