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
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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.
Jen,
I had a similar problem with my dataset, and Ziad Saad told me to run 3drefit and use the -markers options. Like this (let's call my dataset elvis.hdr):
3drefit -markers elvis.hdr
Now if you launch afni and go to "Define Markers", the "Allow edits" button will become highlighted.