Preprocessing Diffusion Weighted Images with TORTOISE 3 (Part 1)

A while back, I posted about how to use TORTOISE 2.0/2.5 for preprocessing Diffusion Weighted Images (DWIs), create tensors, and then do blip-up blip-down correction.  All of those steps relied on using a graphical user interface (GUI) through a program called IDL to tell TORTOISE what you wanted it to do.  This was often a […]

How to install AFNI on macOS X Sierra

Follow these instructions for Mac OS X 10.11 El Capitain.  That’s it!  It’s great when stuff continues to just work!  Well… mostly.  Depending on how you upgraded, you might have to run this command in the terminal to allow you to run applications from unsigned developers: sudo spctl –master-disable But that should really be it.

Performing brain-behavior correlations with 3dttest++

A while ago, I wrote a post for doing brain-behavior correlations with different AFNI programs.  And at the time I mentioned that you can do correlations with 3dtest++, but you’d first need to standardize (read: z-score) both the brain and behavior values.  The general logic there is that if you’re doing a simple regression (what […]

HowTo: 3D printing your brain

It’s been about five months since I last updated, and for that I’m somewhat apologetic.  Things have been busy and I’ve been trying to figure out a series of topics to post on for the next series.  So rest assured, there will be more analysis guides in the future.  BUT today is all about how […]

Installing AFNI on Mac OS X 10.11 “El Capitain”

We’ve all been there, Apple releases a new Operating System and when you install it, you find out that your favorite programs don’t work on launch day or require some special install instructions.  Well if you’ve installed AFNI onto a Mac running 10.11, you may notice that some of the Python programs don’t fully work. […]