Dear group,
The fMRI model that I am attempting to create is based upon the following
experimental design:
TR = 2; total images = 105; 2 trial blocks of 35 images each; Block 1
prefaced by roughly 13-14 scans of rest; Block 2 prefaced by roughly 13-14
scans of rest, and followed by roughly 8 scans of rest. (I say roughly
because each subjects model is different)
Anyhow, I'm not clear as to how I should model the rest period and how SOA
relates to it. Do I use SOA to model rest, or rather the transition from
rest to task within a session.
I suppose my basic question concerns the application of SOA into the model
and the correct modeling method for rest periods, be they before or after a
task block.
Best,
Edward Kovalik
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