Hi,
Depends on whether these are different scanning sessions or not.
If not, t-contrasts are used to look at the difference.
Otherwise, second level analysis might be more appropriate.
See the Feat documentation and fslcourse lectures for more details
about contrasts and higher level analyses.
All the best,
Mark
Gonzalo Rojas wrote:
> Hi:
>
> I have two visual stimulus fMRI of the same patient: the first with
> black and white stimulus, and the second with a color stimulus... How
> can I get the difference in the visual cortex ?... By using second level
> analysis ?... How can I use the second level analysis option of FSL in
> my case ?...
>
> Sincerely,
>
>
> Gonzalo Rojas Costa
> Medical Imaging Laboratory
> Institute of Neurosurgery Asenjo
> Santiago
> Chile
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