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Re:Ask HN: I'm writing a book about white-collar drug use, i... by ShabbosGoy on Monday February 26, 2018 @11:12AM (#16466313)
That’s an odd assertion to make when the full pharmacodynamics and mechanism of action are unknown. Modafinil doesn’t increase your cognitive performance in the way that a substituted phenethylamine would. Focus and attention are certainly related to wakefulness, but wakefulness in and of itself doesn’t increase cognitive performance.
Re:Ask HN: I'm writing a book about white-collar drug use, i... by Eilene on Monday February 26, 2018 @11:27AM (#16466456)
Can you tell me what substituted phenethylamine is?
Re:Ask HN: I'm writing a book about white-collar drug use, i... by TheAdamAndChe on Monday February 26, 2018 @11:37AM (#16466561)
Substituted phenethylamines[1] are derivative compounds of phenethylamine. Many substituted phenethylamines are stimulants, while some are psychedelic too. Dopamine, epinephrine, amphetamine, pseudoephedrine, MDMA, and many others are considered to be substitued phenethylamines.

[1] https://en.wikipedia.org/wiki/Substituted_phenethylamine