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

farther along the longitudinal timeline
than Kagan had.
He demonstrates his research by allowing
me to act as if I were one of his
subjects, albeit not inside the fMRI
scanner. As I sit at a desk, a computer
monitor flashes photos at me, one after
another, each showing an unfamiliar
face: disembodied black-and-white
heads floating against a dark background.
I think I can feel my pulse
quicken as the photos start coming at
me faster and faster. I also notice that
Schwartz has slipped in some repeats
and that I feel more relaxed as the faces
start to look familiar. I describe my reactions
to Schwartz, who nods. The
slide show is designed, he says, to mimic
an environment that corresponds to
the sense that high-reactive people get
when they walk into a crowded room of
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