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

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traders are much more able to say, ‘OK,Janice, I do feel these excited emotions<strong>com</strong><strong>in</strong>g up <strong>in</strong> me, but I understand thatI can’t act on them.’ <strong>The</strong> <strong>in</strong>troverts aremuch better at mak<strong>in</strong>g a plan, stay<strong>in</strong>gwith a plan, be<strong>in</strong>g very discipl<strong>in</strong>ed.”To understand why <strong>in</strong>troverts and extrovertsmight react differently to theprospect <strong>of</strong> rewards, says Dorn, youhave to know a little about bra<strong>in</strong> structure.As we saw <strong>in</strong> chapter 4, our limbicsystem, which we share with the mostprimitive mammals and which Dorncalls the “old bra<strong>in</strong>,” is emotional and<strong>in</strong>st<strong>in</strong>ctive. It <strong>com</strong>prises various structures,<strong>in</strong>clud<strong>in</strong>g the amygdala, and it’shighly <strong>in</strong>terconnected with the nucleusaccumbens, sometimes called thebra<strong>in</strong>’s “pleasure center.” We exam<strong>in</strong>edthe anxious side <strong>of</strong> the old bra<strong>in</strong> whenwe explored the role <strong>of</strong> the amygdala <strong>in</strong>456/929

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