12 Reasons to Stop Multitasking Now!
You’re not really multitasking
What you call multitasking is really task-switching, says Guy Winch, PhD, author of Emotional First Aid: Practical Strategies for Treating Failure, Rejection, Guilt and Other Everyday Psychological Injuries. “When it comes to attention and productivity, our brains have a finite amount,” he says.
“It’s like a pie chart, and whatever we’re working on is going to take up the majority of that pie. There’s not a lot left over for other things, with the exception of automatic behaviors like walking or chewing gum.” Moving back and forth between several tasks actually wastes productivity, he says, because your attention is expended on the act of switching gearsplus, you never get fully “in the zone” for either activity.