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== AFNI ==
== AFNI ==
[http://afni.nimh.nih.gov/afni/ AFNI] is a software package for processing, analyzing, and displaying fMRI data. It is freely available from the NIH. You can
[http://afni.nimh.nih.gov/afni/ AFNI] is a software package for processing, analyzing, and displaying fMRI data. It is freely available from the NIH
. You can the latest version at
Revision as of 13:23, 30 January 2014
When creating a stimulus array for a rapid event-related fMRI experiment, you'll need to pseudo-randomize the stimulus order in a way that is compatible for deconvolution analysis. The best way to do this is a program called optseq2.
AFNI is a software package for processing, analyzing, and displaying fMRI data. It is freely available from the NIH. Other packages for fMRI data analysis exist, but Sarah can't help you with them.
It's a good idea to get AFNI up and running before you begin data collection and analysis. You can download the latest version of AFNI at
When the file finishes downloading, you will need to double click the file to un-zip the tar file. Drag the newly created folder to the Applications directory. To more easily access the folder, rename it "afni".
You'll need to update your .cshrc file in order to have all the correct paths set when you open terminal. To open your .cshrc file, enter the following command into terminal:
open -e ~/.cshrc
Many problems can occur if your afni verion is not up to date. To update, first type the following command into terminal:
If your afni version is more than a month old, it's time to update. To update, type:
Finally, after you update you must enter the command
Getting raw data from the scannerAfter a scan you will need to get the data from the scanner to our server.