Re:Willpower: It’s in Your Head (2011)
by nopassrecover on Tuesday October 16, 2012 @09:06PM
(#4662768)
I haven't found any medical studies, but it matches the experiences of myself, others I've talked with, and online anecdotal sources.
(If it's the first case you might start from it's mechanism of action and figure out YOUR cause for "willpower barriers" and maybe find a better solution for them...)