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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gang
July 28, 2022 10:16AM
> I have a dataset where participants listen to a story twice. On the second listening, the story is either
> temporally scrambled at the sentence or word level.

What do the subjects listen to during the first session? During the second session does each subject listen to only one of the two scrambling cases or both?

> I'd like to contrast the within-subject effects of the intact vs scrambled versions of the story. Further, I'd
> also like to contrast the between-subjects effects of listening to the sentence (long) vs word (short) scrambled
> versions of the story.

I suggest that you build two separate models: one for the contrast of the intact vs scrambled versions using 3dMVM, 3dttest++, or 3dLMEr, and the other for the contrast between the long and short scrambled versions using 3dMVM or 3dttest++.

Gang
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Subject Author Posted

3dLMEr between-subjects contrast clarification

gregetarian July 28, 2022 07:01AM

Re: 3dLMEr between-subjects contrast clarification

gang July 28, 2022 10:16AM

Re: 3dLMEr between-subjects contrast clarification

gregetarian July 28, 2022 04:06PM

Re: 3dLMEr between-subjects contrast clarification

gang July 29, 2022 09:15PM