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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giono
November 11, 2022 11:48AM
Hi,

I need your help with understanding how to interpret the stats about censored TRs at the bottom of the output of preprocessing.
As you can see, I have 500 TRs and 3 regressors of interests. When I look at the number of TR per stims, the sum is 168+166+294=628. This is a number which is greater than 500. How is that possible?

One options is that it could have something to do with the overlap of the convolved regressors (see 1dplot attached).
In any case, how does this affect the calculation of the fraction of censored TRs per stim? (which is the info I would like to extract at the end of the day).

Thank you in advance!
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Attachments:
open | download - 1dplot.png (39.8 KB)
open | download - TR_stats.png (47 KB)
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Subject Author Posted

Number of censored TRs Attachments

giono November 11, 2022 11:48AM

Re: Number of censored TRs

ptaylor November 11, 2022 03:01PM

Re: Number of censored TRs

rick reynolds November 11, 2022 04:09PM