Article mentions scopdex (scopolamine) for treatment found these links which are interesting:
https://www.ibtimes.co.uk/scopolamine-devil-s-breath-nasa-us... https://youtu.be/ToQ8PWYnu04
https://www.ibtimes.co.uk/scopolamine-devil-s-breath-nasa-us... https://youtu.be/ToQ8PWYnu04
https://video.vice.com/en_us/video/worlds-scariest-drug-colo...
And yes, scopolamine in larger doses is the classic "truth serum" in that it tends to loosen inhibitions. But lots of other drugs do that too.