We are very pleased to announce that the new AFNI Message Board framework is up! Please join us at:
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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.
As pertinent to the research question I had to remove voxels the showed deactivations in any of the the conditions. That leaves me a total of 31653 nodes (from 3dBrickStats) which significantly reduced from the original 3dDeconvolve results (8176252). Based on what you have said, it seems the voxel count is the reason for the FDR results.