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

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Wolfgang Gaggl
October 21, 2004 06:08PM
I have a dataset that was recorded with a sparse sampling paradigm TR=700ms followed by a delay of 9.3sec to the next acquisition.
I just imported it into AFNI with to3d set to (1) alt+z and (2) zero for the timing and a TR of 10sec. Then I ran 3dfim+ using a rectangular ideal wavefile on both BRIKs. I expected a large difference, because in case (1) acquisition was falsely distributed accross 10seconds, whereas in (2) they where treated to be acquired simultaneously.
I was surprised that the result was completely identical!
Is 3dfim+ even taking this interslice timing into account?

Wolfgang
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Subject Author Posted

TR and interscan interval

Silvia Casarotto October 21, 2004 04:40AM

Re: TR and interscan interval

rick reynolds October 21, 2004 03:32PM

Re: TR and interscan interval

Wolfgang Gaggl October 21, 2004 06:08PM

Re: TR and interscan interval

rick reynolds October 21, 2004 06:32PM

Re: TR and interscan interval

Tom Christensen September 24, 2007 12:52PM

Re: TR and interscan interval

rick reynolds September 24, 2007 01:20PM

Re: TR and interscan interval

Tom Christensen September 26, 2007 04:58PM

Re: TR and interscan interval

rick reynolds September 26, 2007 07:05PM