quiet-the-power-of-introverts-in-a-world-that-cant-stop-talking-susan-cain

the choice of a small reward immediately
(a gift certificate from Amazon) or
a bigger gift certificate in two to four
weeks. Objectively, the bigger reward
in the near but not immediate future
was the more desirable option. But
many people went for the “I want it
now” choice—and when they did, a
brain scanner revealed that their reward
network was activated. Those
who held out for the larger reward two
weeks hence showed more activity in
the prefrontal cortex—the part of the
new brain that talks us out of sending
ill-considered e-mails and eating too
much chocolate cake. (A similar study
suggests that the former group tended
to be extroverts and the latter group
introverts.)
Back in the 1990s, when I was a junior
associate at a Wall Street law firm, I
found myself on a team of lawyers
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