Matters not - I'm invoking Pope on this study. 
The greatest mystery in the universe is how our brains work (when they do). Anything that even tangentially inches us towards a better understanding of that is worth funding.
The good that could come from the knowledge is probably worthwhile.
For example if they learned how to turn off violent actions, in individuals deemed as problems. Of course that raises questions about the authority to do so; held by whom, under what conditions?
Maybe we could spray a mist over all muslim lands, to administer the chemical which is discovered.