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

it’s becoming the leader of their class.
For others it takes the form of doing
well academically or being well-liked.”
The upsides of the high-reactive temperament
have been documented in exciting
research that scientists are only
now beginning to pull together. One of
the most interesting findings, also reported
in Dobbs’s Atlantic article, comes
from the world of rhesus monkeys, a
species that shares about 95 percent of
its DNA with humans and has elaborate
social structures that resemble our own.
In these monkeys as well as in humans,
a gene known as the serotonintransporter
(SERT) gene, or 5-HTTLPR,
helps to regulate the processing of serotonin,
a neurotransmitter that affects
mood. A particular variation, or allele,
of this gene, sometimes referred to as
the “short” allele, is thought to be associated
with high reactivity and
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