You don’t need to have endured a brain injury to have lost touch with your feelings, though. Even among the healthy population, there is enormous variation in the sensitivity of people’s interoception, a fact that can explain why some people are better at making intuitive decisions than others. You can easily measure this yourself. Simply sit with your hands by your sides and ask a friend to take your pulse. At the same time, try to feel your own heart in your chest (without actually touching it) and count the number of times it beats; then, after one minute, compare the two numbers. How did
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