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Dear Freesurfer developers,

I am using this tutorial (https://surfer.nmr.mgh.harvard.edu/fswiki/AANSegment) to segment my brainstem AAN nuclei. 
My freesurfer version is 7.3.2.

However, I couldn't find this segmentation shell script in my freesurfer.
SegmentAAN.sh
I wonder do I need to install it from somewhere else? Or do I need to install a recent freesurfer version?

Best,
Huaiyu
_________________________________________
Huaiyu Liu (Ted)
Postdoctoral Research Fellow
Department of Imaging Neuroscience, Functional Imaging Laboratory
University College London
12 Queen Square, London WC1N 3AR