AFNI Message Board

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

History of AFNI updates  

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February 05, 2018 10:35AM
Hi Jun,

If you have already run the full process, then
it is enough to use the existing results. Since
'NF -F' is the negative as 'F -NF', anywhere that
F_vs_NF is positive means F is greater, while the
negatives are where NF is greater. The NF_vs_F
contrast will just reverse that.

But if you wnat to run it, it is okay to put both
GLTs in the command (the second one gets label 2):

   -regress_stim_labels F NF   \
   -regress_basis 'BLOCK(4,1)' \
   -regress_censor_motion 0.3  \
   -regress_opts_3dD           \
      -gltsym 'SYM: +F -NF'    \
      -glt_label 1 F_vs_NF     \
      -gltsym 'SYM: NF -F'     \
      -glt_label 2 NF_vs_F     \

- rick
Subject Author Posted

Proc.py gltsym question

JW February 03, 2018 11:02AM

Re: Proc.py gltsym question

RWCox February 03, 2018 04:34PM

Re: Proc.py gltsym question

JW February 05, 2018 07:33AM

Re: Proc.py gltsym question

rick reynolds February 05, 2018 08:53AM

Re: Proc.py gltsym question

JW February 05, 2018 10:10AM

Re: Proc.py gltsym question

rick reynolds February 05, 2018 10:35AM

Re: Proc.py gltsym question

JW February 05, 2018 11:44AM

Re: Proc.py gltsym question

rick reynolds February 05, 2018 12:23PM

Re: Proc.py gltsym question

JW February 05, 2018 02:47PM