Are attention spans getting shorter (and does it matter)? (CBS News)

Gloria Mark, an attention researcher [and professor emeritus] at the University of California, Irvine, is author of “Attention Span: A Groundbreaking Way to Restore Balance, Happiness and Productivity”. She says there is scientific evidence attention spans are getting shorter. … Mark maintains that a shorter attention span has three downsides: “The first is that people make more errors when they do attention shifting; second downside is that it takes longer to do something, because we have to reorient to every new task every time we shift; the third downside — maybe this is the worst of all — is that stress increases. When people are working on multiple tasks and they have to shift their attention, their blood pressure rises.”

Read the full story and watch the video on the  CBS News website .