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Polymorphism at the Serotonin Transporter
Gene on Decision-making, Memory and Executive
Function in Ecstasy Users and Controls,”
Psychopharmacology 188 (2006):
213–27.
25. Another study, of sixty-four traders:
Mark Fenton O’Creevy et al., Traders: Risks,
Decisions, and Management in Financial Markets
(Oxford, UK: Oxford University Press,
2005), 142–43.
26. delaying gratification, a crucial life skill:
Jonah Lehrer, “Don’t,” The New Yorker,
May 18, 2009. See also Jacob B. Hirsh et
al., “Positive Mood Effects on Delay Discounting,”
Emotion 10, no. 5 (2010):
717–21. See also David Brooks, The Social
Animal (New York: Random House, 2011),
124.
27. scientists gave participants the choice:
Samuel McClure et al., “Separate Neural
Systems Value Immediate and Delayed