Question about 'brain_ac'

[Contrerana]

Hi there, trying to follow your code to calculate soure connectivity and I have a doubt. Maybe a naive question but not sure what is brain_ac or what it is the difference with the atlas per se.
Thank you!!

SourceSpaceFunctionalConnectivityAnalysis/SourceSpaceFCanalysisBang.m

Line 186 in 02c0288

brain_ac = ['S' mristring '_brain_atlas_ac.mat'];