Neural mechanisms mediating optimism bias

Tali Sharot, Alison M. Riccardi, Candace M. Raio and Elizabeth A. Phelps ()
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Tali Sharot: New York University
Alison M. Riccardi: New York University
Candace M. Raio: New York University
Elizabeth A. Phelps: New York University

Nature, 2007, vol. 450, issue 7166, 102-105

Abstract: It's looking good… The neural basis of depression — often characterized by a pessimism bias — has been widely studied. The neuroscience of optimism, however, is new. We are an incorrigibly optimistic species, expecting positive outcomes even when there is no basis for such expectations. For example, we expect to live longer and be healthier than average, and we underestimate our chances of being in a car accident and getting divorced. A combination of brain imaging and behavioural studies in healthy volunteers provides evidence for the neural mechanisms underlying this phenomenon. Interestingly, the activity of brain regions that are known to malfunction in depression also predict the optimism bias.

Date: 2007
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DOI: 10.1038/nature06280

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