23 simply transform the way we perceive the world without altering reality itself. Let me give you an example. While writing these lines, my friend calls. He is at Heathrow Airport waiting to get on a plane to Austria for a skiing holiday. His plane has been delayed for three hours already, because of snowstorms at his destination. "I guess this is both a good and bad thing," he says. Waiting at the airport is not pleasant, but he quickly concludes that snow today means better skiing conditions tomorrow. His brain works to match the unexpected misfortune of being stuck at the airport to its eager anticipation of a fun getaway. A canceled flight is hardly tragic, but even when the incidents that befall us are the type of horrific events we never expected to encounter, we automatically seek evidence confirming that our misfortune is a blessing in disguise. No, we did not anticipate losing our job, being ill or getting a divorce, but when these incidents occur, we search for the upside. These experiences mature us, we think. They may lead to more fulfilling jobs and stable relationships in the future. Interpreting a misfortune in this way allows us to conclude that our sunny expectations were correct after all — things did work out for the best. Silver Linings How do we find the silver lining in storm clouds? To answer that, my colleagues — renowned neuroscientist Ray Dolan and neurologist Tamara Shiner — and I instructed volunteers in the fMRI scanner to visualize a range of medical conditions, from broken bones to Alzheimer's, and rate how bad they imagined these conditions to be. Then we asked them: If you had to endure one of the following, which would you rather have — a broken leg or a broken arm? Heartburn or asthma? Finally, they rated all the conditions again. Minutes after choosing one particular illness out of many, the volunteers suddenly found that the chosen illness was less HOUSE_OVERSIGHT_030290