Despite his best efforts, the person who becomes less articulate the angrier he gets will never acquire what it takes to excel at debate. And no matter how much he understands the value of win-win scenarios, the intense competitor will never learn to love them. A person’s mental filter is as enduring and unique as her fingerprint. This is a radical belief that flies in the face of decades of self-help mythology. But over the last 10 years, neuroscience has started to confirm what these great managers have long believed.