Your score on the heartbeat counting test can translate to real-world financial success, with one study showing that it can predict the profits made by traders in an English hedge fund, and how long they survived within the financial markets.7 Contrary to what we might have assumed, it is the people who are most sensitive to their visceral “gut” feelings—those with the most accurate interoception—who made the best possible deals. Its importance doesn’t end there. Your interoceptive accuracy will also determine your social skills: our physiology often mirrors the signals we see in others—a very
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