Freesurfer Cortical Thickness Analysis with AFNI/SUMA tools

First let me say that I am a huge huge fan of Freesurfer.  It makes my life easier in so many ways by 1) creating surfaces that we can display fMRI results on; 2) giving beautiful cortical and subcortical segmentations for use in the upcoming (soon, really) pediatric Atlas that I’ve been working on; 3) […]

NEW CogNeuroStats Wiki

Like many of our fellow bloggers, we hear pleas from readers about needing a “start page” to organize everything together.  After considerable amounts of thought, we finally had the idea of creating a wiki that would house much of the content that exists on the blog.  The one major shift is that we’re going to spend […]

Simultaneous t-tests in AFNI’s 3dttest++

In the past I’ve shown how to use 3dttest++ to do one-sample, paired, and two-sample t-tests for whole-brain maps in AFNI.  Occasionally there is an instance where you want to quickly generate a series of t-tests for all participants at once.  Most people (including me until recently) would simply loop over their gen_group_command.py script several […]

AFNI Bootcamp Training Next Week

There is an AFNI training workshop (aka “Bootcamp”) NEXT WEEK at Yale.  If you’re interested in signing up, the information is here.

Brief: Process Resting-State Data Faster with 3dTproject!

I don’t usually post brief updates like this, but a recent update to afni_proc.py has me really excited. As of the May 13th 2014 binaries of AFNI, you can now expect your resting state data to process considerably faster thanks to a new-ish program called 3dTproject.  3dTproject is meant to replace 3dDeconvolve for resting state […]