How the Power of Expectations Can Allow You to ‘Bend Reality’: Scientific American | The brain and illusions |

Chris Berdik, a science journalist and former staff editor at The Atlantic, begins with a simple premise: expectations matter. The notion is well-known in medicine, where doctors have known the power of the “placebo effect” for a long time. But it turns out that this same psychological machinery holds sway in many realms, that what we bring to a situation can, in some sense, bend reality.