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Quiet: The Power of Introverts in a World That Can ... - WordPress.com

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strangers and feel “Geez! Who are thesepeople?”I wonder if I’m imag<strong>in</strong><strong>in</strong>g my reactions,or exaggerat<strong>in</strong>g them, butSchwartz tells me that he’s gotten backthe first set <strong>of</strong> data on a group <strong>of</strong> highreactivechildren Kagan studied fromfour months <strong>of</strong> age—and sure enough,the amygdalae <strong>of</strong> those children, nowgrown up, had turned out to be moresensitive to the pictures <strong>of</strong> unfamiliarfaces than did the amygdalae <strong>of</strong> thosewho’d been bold toddlers. Both groupsreacted to the pictures, but the formerlyshy kids reacted more. In other words,the footpr<strong>in</strong>t <strong>of</strong> a high- or low-reactivetemperament never disappeared <strong>in</strong> adulthood.Some high-reactives grew <strong>in</strong>to sociallyfluid teenagers who were not outwardlyrattled by novelty, but they nevershed their genetic <strong>in</strong>heritance.341/929

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