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
February 09, 2018 10:23AM
Are you performing the analysis at the individual or population level?

> what regions "Both Hands" activation is the greatest

For this, you can conduct two separate tests: (1) "Both Hands" > "Left Hand", and (2) "Both Hands" > "Right Hand". Then obtain the conjunction of the two.

> what regions "Both Hands" activation is unique

By "unique" do you mean the brain regions where "Both Hands" is activated but neither "Left Hand" nor "Right Hand"? If so, you're hitting the territory where the conventional statistics cannot directly address: you can’t use p > 0.05 as an evidence of a lack of an effect. If you're willing to perform the analysis at the ROI level, it might be possible to make such an inference under the Bayesian framework: [afni.nimh.nih.gov]

Gang



Edited 1 time(s). Last edit at 02/09/2018 12:02PM by Gang.
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Symboilc GLT Question

Cunnind6 February 08, 2018 12:50PM

Re: Symboilc GLT Question

gang February 09, 2018 10:23AM

Re: Symboilc GLT Question

Cunnind6 February 09, 2018 04:12PM