Hello!
I was wondering if the relative time of a resting baseline in an fmri task matter for the analysis and interpretation? For example, if I have four active conditions each lasting 80 seconds ( therefore total time for main fmri task=5 and a half minutes) and I had a resting/implicit baseline (blank screen at start of the task) lasting for only 40 seconds, would that be ok? Would my contrasting my active conditions to a relatively shorter resting baseline make a difference?
Thanks!
Regards,
Charu
|