quiet-the-power-of-introverts-in-a-world-that-cant-stop-talking-susan-cain
who works inside this very building.This whole place is full of quiet andmodest people doing extraordinarythings, Schwartz adds, waving his handappreciatively at the empty hallway.Before Schwartz opens the door, heasks me to take off my gold hoop earringsand set aside the metal tape recorderI’ve been using to record ourconversation. The magnetic field of thefMRI machine is 100,000 timesstronger than the earth’s gravitationalpull—so strong, Schwartz says, that itcould rip the earrings right out of myears if they were magnetic and sendthem flying across the room. I worryabout the metal fasteners of my bra,but I’m too embarrassed to ask. I pointinstead to my shoe buckle, which I figurehas the same amount of metal asthe bra strap. Schwartz says it’s allright, and we enter the room.336/929
We gaze reverently at the fMRI scanner,which looks like a gleaming rocketshiplying on its side. Schwartz explainsthat he asks his subjects—whoare in their late teens—to lie down withtheir heads in the scanner while theylook at photographs of faces and themachine tracks how their brains respond.He’s especially interested inactivity in the amygdala—the samepowerful organ inside the brain thatKagan found played such an importantrole in shaping some introverts’ and extroverts’personalities.Schwartz is Kagan’s colleague andprotégé, and his work picks up justwhere Kagan’s longitudinal studies ofpersonality left off. The infants Kaganonce categorized as high- and low-reactivehave now grown up, andSchwartz is using the fMRI machine topeer inside their brains. Kagan followed337/929
- Page 285 and 286: dries up and I can’t get any word
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- Page 335: Developmental Neuroimaging and Psyc
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who works inside this very building.
This whole place is full of quiet and
modest people doing extraordinary
things, Schwartz adds, waving his hand
appreciatively at the empty hallway.
Before Schwartz opens the door, he
asks me to take off my gold hoop earrings
and set aside the metal tape recorder
I’ve been using to record our
conversation. The magnetic field of the
fMRI machine is 100,000 times
stronger than the earth’s gravitational
pull—so strong, Schwartz says, that it
could rip the earrings right out of my
ears if they were magnetic and send
them flying across the room. I worry
about the metal fasteners of my bra,
but I’m too embarrassed to ask. I point
instead to my shoe buckle, which I figure
has the same amount of metal as
the bra strap. Schwartz says it’s all
right, and we enter the room.
336/929
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