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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nikki sullivan
March 04, 2009 04:56PM
Hi,

We want to use previously-published MNI coordinates as a guide to our ROI selection. Is "Jump to (MNI)" sufficient for this purpose? I suspect not, as when I Jump to (MNI) for coordinate 51 18 48, cited in a paper as the R middle frontal gyrus, it takes me outside the brain.

So, I attempted to warp to MNI using this command:
3dWarp -tta2mni -NN -prefix volume_mni volume+tlrc

After warping, the coordinate is now on the edge of the brain using Jump to (MNI), but "Where am I" says I'm still not in the brain, but only within 1mm of the R middle frontal gyrus. I assume I did something incorrectly. Any suggestions?

Also I assume I use the same 3dwarp command for transforming my functional files... Is that correct?

Thank you so much,
nikki
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Subject Author Posted

MNI coorinates/warp

nikki sullivan March 04, 2009 04:56PM

Re: MNI coorinates/warp

nikki sullivan March 06, 2009 12:31AM

Re: MNI coorinates/warp

ziad March 06, 2009 09:24AM

Re: MNI coorinates/warp

nikki sullivan March 08, 2009 07:03PM