Richard Davidson has found that the amount of time that we sustain positive emotion, or need to recover from negative emotion, can differ by as much as 3,000 percent across individuals.10 Surprisingly, negative feedback and positive feedback are mediated by different parts of the brain; in fact, they appear to be mediated by different halves of the brain. And those different halves of the brain can be differently good at their job. This subject gets complicated quickly, but there are some simple insights that emerge from the research on this front. Negative Recovery: Righty or Lefty? It’s
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