It is showing you the map of the first frame (subject in this case). You
can adjust the frame with a slider on the left. Also, there is a time
plot icon on the top. If you click on that it will show you a graph of
the subjects at the chosen vertex.
On 8/10/18 8:16 AM, Alon Baram wrote:
External Email - Use Caution
Hello,
I want to overlay the .mgh file which is the output of mris_preproc in
freeview on the fsaverage surface. This file has (according to
mri_info) the dimensions Nverteces x 1 x 1 x Nsubjects: my data in
fsaverage space for each of my subjects. But when I load it in
freeview I can only see one value in each vertex.
Is there a way to view "4D" (it's actually 2D: Nverteces x Nsubjects)
data in Freeview? If not, what is the single value (per vertex) that
freeview chooses to show me? is it just the data from the first
subject? I tried to look in the documentation for any clues about
viewing time-series data in Freeview, but failed.
I would also be very happy to understand what is the best way to save
this 4D .mgh file in a format that I can then import it into Matlab.
Thanks for the help!
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