Vaughan says cognitive enhancers may also be self-deceiving:
... it's possible that high achievers might be popping stimulants, feeling like it boosts their performance, when in fact, it's doing exactly the opposite.
This article available online at:
http://www.theatlantic.com/daily-dish/archive/2009/04/an-eras-drug-of-choice-iii/202638/
