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Dear Freesurfer Expert:

I have used the simulation code as show below: 

mri_glmfit-sim \
  --glmdir lh.gender_age.glmdir \
  --cache 4 neg \
  --cwp  0.05\
  --2spaces
My question is how many iterations are done during this simulation? I didn’t specify the iteration number.

Why I didn’t have the csd file? 

Thanks a lot for your response!

Best regards,
Ting