Hi Amy
you can find out how to compute properly your PSC here:
http://journal.frontiersin.org/Journal/10.3389/fnins.2014.00001/full
you can find matlab code in supplementary material to see concretely how
to do it -- alternatively the MarsBaR toolbox can do that semi-automatically
cyril
> Dear All,
>
> I would like to calculate the % signal change from an ROI.
> The parameters of my fmri block design is like this...
> 6 blocks of active phase and 6 blocks of rest phase.
> Each block comprised of 7 trials.TR= 4 sec
>
> How to calculate the event duration for getting the %signal change in
> that particular ROI?
--
The University of Edinburgh is a charitable body, registered in
Scotland, with registration number SC005336.
|