Final Decision? Why the Brain Keeps on Changing its Mind

Benjamin Franklin once quipped: ‘There are three things extremely hard: steel, a diamond, and to know oneself.’ Every decision we make, from pinpointing the source of a faint sound to choosing a new job, comes with a degree of confidence that we have made the right call. If confidence is sufficiently low, we might change our minds and reverse our decision. Now scientists are using these choice reversals to study the first inklings of self-knowledge. Changes of mind, it turns out, reflect a precisely tuned process for monitoring our stream of thoughts.Continue reading

The Consequences of Illusory Superiority

On January 6, 1995, a large five-foot-six 270-pound middle-aged man robbed two Pittsburgh banks in broad daylight. He didn’t wear a mask or any sort of disguise. And he smiled at surveillance cameras before walking out of each bank.

Later that night, police arrested a surprised McArthur Wheeler. When they showed him the surveillance tapes, Mr. Wheeler stared in disbelief. “But I wore the juice,” he mumbled.Continue reading