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Dear AFNI users-
We are very pleased to announce that the new AFNI Message Board framework is up! Please join us at:
https://discuss.afni.nimh.nih.gov
Existing user accounts have been migrated, so returning users can login by requesting a password reset. New users can create accounts, as well, through a standard account creation process. Please note that these setup emails might initially go to spam folders (esp. for NIH users!), so please check those locations in the beginning.
The current Message Board discussion threads have been migrated to the new framework. The current Message Board will remain visible, but read-only, for a little while.
Sincerely,
AFNI HQ
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Hi pt,
Sorry for the late reply, just realized somehow my reply wasn't posted.. And thanks for the clarification.
I indeed didn't use a residuals as an input. The input dataset I used is the result of the bold signal that our algorithm extracted from the original fMRI signal. I wonder whether it's reasonable to use this program to estimate the smoothness on this sort of data.
by
Zixun
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AFNI Message Board
Hello,
I'm reading the notes of 3dFWHMx, which says
'If you don't want to go to that much trouble, use '-detrend' to approximately subtract out the anatomical spatial structure, OR use the output of 3dDetrend for the same purpose.'
I tried both option on my dataset. First I using 3dDetrend -polort 2 -prefix det dset, and using the output as input for 3dFWHMx
by
Zixun
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AFNI Message Board