Hi!
Could you help me with the 4D activation in POSSUM fMRI simulator?
I got following warning in node logs with every simulation I have tried:
Creating activation4D volume and timecourse vector...
4D activation mode
Testing if the values in the activation volumes are smaller than the T2*
values
vol= 0
WARNING: Perturbation in the T2* values bigger than the T2* values.
And after this all processes are terminating.
I have our own data in use so probably there is some error in my input
data; maybe in 4D activation T2* maps? What the error really means, are
the values in the maps too large?
--
Juha Pajula,
Research Assistant,
Methods and Models for Biological Signals and Images group of Signal
Processing department in Tampere University of Technology,
Finland
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