Posted By: Alfonso Nieto-Castanon - Mar 15, 2023
Tool/Resource: CONN : functional connectivity toolbox
After a year in the making we are happy to announce the latest release of CONN (22a)!

This release brings many exciting updates, including new options for fc-MVPA analyses and an interactive GUI exploring the entire brain-wide functional connectome, similar to AFNI InstaCorr ( but across all subjects in a study (see 2nd-level fc-MVPA summary tab), new automated "Methods" descriptions ( to help describe CONN's processing and analysis steps in your manuscripts, and several new displays options (e.g. 'connections display' and 'glass display' in ROI-to-ROI, or 'network display' in voxel-level results explorer windows), among many other additions and improvements.

See the release changes log ( and the updated manual ( for details.

We are also happy to announce some of our latest manuscripts describing QC procedures using CONN:
Morfini, F., Whitfield-Gabrieli, S., & Nieto-Castanon, A. (2023). Functional connectivity MRI Quality Control procedures in CONN. Frontiers in Neuroscience, 17:1092125.

and fc-MVPA analyses:
Nieto-Castanon, A. (2022). Brain-wide connectome inferences using functional connectivity MultiVariate Pattern Analyses (fc- MVPA). PLoS Comput Biol 18(11): e1010634.

As always, please send us your feedback/comments/suggestions through the NITRC CONN forum ( and thank you all for your continuing support!
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