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Though the experience of physical pain and emotional pain are clearly different, functional imaging studies show that, with few exceptions, the regions of the brain that these types of pain activate are identical.
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These include not only the regions responsible for giving pain its unpleasant character, but also those responsible for regulating its size, location, and intensity (perhaps partially explaining the startling finding that Tylenol, a centrally acting pain reliever, alleviates not only the pain of a smashed finger but also the pain of hurt feelings.)
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No wonder, then, that physical and emotional pain produce the same reaction: a strong desire to avoid the things that cause them.
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14 Sep