05/31/2011 05:04 pm ET Updated Jul 31, 2011

The Optimism Bias

By Tali Sharot

While the past few years have seen important advances in the neuroscience of optimism, one enduring puzzle remained. How is it that people maintain this rosy bias even when information challenging our upbeat forecasts is so readily available? Only recently have we been able to decipher this mystery.

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