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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carolin31
August 25, 2021 10:23PM
Hello afni experts,

I am trying to do an analysis where after a few preprocessing steps I need to run a linear regression where the independent variable is one BOLD signal time course (linear detrended, bandpass filtered and averaged across the whole brain, so only one regressor that I generate beforehand) and the dependent variable is the individual voxel's time course.
This linear regression should not include any other regressors, no HRF, no stim time files etc. Just a simple regression between the voxels time course and this one regressor.

Is it possible to do such a regression with 3dDeconvolve or another function in afni?

Thank you very much for any help!
Carolin
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regression without HRF but just one regressor?

carolin31 August 25, 2021 10:23PM

Re: regression without HRF but just one regressor?

gang August 26, 2021 08:05AM