Could you walk in a perfectly straight line while blindfolded? It’s lucky this skill isn’t demanded often, because people aren’t very good at it. Most veer a little to one side. And the direction you err in may be tied to your personality. People with more anxious personalities, for example, tend to drift left. The insight could help scientists learn where these personality traits reside in the brain.
(If you’re thinking that being asked to walk around blindfolded might make you anxious,