I am a newbie in fMRI. We have just activated the fMRI functionality on our Siemens Avanto 1.5T machine and have carried out  our very first finger tapping experiment! The structural image data  size is 256x256x176 with pixel dimension of  [0.9766 0.9766 1] and the functional  64x64x34 with pixel dimension of  [3 3 3.75]. The segmentation process on SPM8b takes longer than I can bear waiting for it to complete! I have waited for an hour of going over 1500 iterations  with no convergence in sight! Am I doing something silly?   Any help on this would be really appreciated.

 

Bahman

 




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