Hi,
> We are currently conducting an fMRI study examining whether a novel
> pulse sequence will enhance signal in the OFC. In order to demonstrate
> the effectiveness of this method, we'd like to graphically compare the
> raw time courses of the new vs. conventional sequences, and also compute
> and compare event-locked averages in the drop out regions (even though
> the signal in these regions will be a flat line). The main problem I'm
> encountering with the latter is that during modeling, SPM eliminates
> regions where there is no signal, thereby precluding examination of
> event-locked averages in the drop out regions. Does anyone know how we
> could obtain raw time courses and event-locked averages for these
> regions? We are using SPM5 with Matlab 7.1.
For this, you could try marsbar; it uses the input images rather than
the thresholded results, to find the voxel data,
Matthew
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