When we multitask, we get stupid.
These days, ask someone if they're skilled multitaskers, and the answer is almost always a resounding YES! It used to be a "buzz phrase" to use in job interviews, and we may feel proud of our abilities to handle so many things at one time! Too many weeks, months, or even years of being an "awesome multitasker", and we may notice that life feels stressful all the time...not good. While it's true that many of us are unwillingly pulled in a lot of different directions throughout our day, it's equally true that we should try to STOP.
Why? According to Reader's Digest, when we multitask, we get stupid. The brain slows down when it has to juggle tasks.
In one experiment, researchers asked adults between the ages of 18 and 32 to identify two images: colored crosses and geometric shapes, such as triangles. Seems simple enough, right? But when the participants saw colored crosses and shapes at the same time, they needed almost a full second of reaction time to press a button. Even then, they often made mistakes. If the participants were asked to identify the images one at a time—crosses first, then shapes—the process went almost twice as quickly.
Switching from task to task creates other problems. We can forget what we were doing or planned to do. The to-do list in our brains is known as working memory, and it keeps track of all the short-term stuff we need to remember, like an e-mail address someone just gave us.
But the contents of our working memory can evaporate like water in a desert; after only about two seconds, things begin to disappear. Within 15 seconds of considering a new problem, you'll have forgotten the old problem. In some cases, the forgetting rate can be as high as 40 percent. Workplace studies have found that it takes up to 15 minutes to regain a deep state of concentration after a distraction.
This squares with what researchers found when they looked at the work habits of Microsoft employees. A group of them took, on average, 15 minutes to get back to serious mental tasks, like writing reports or computer codes, after they responded to incoming e-mails. Why so long? Typically, the employees strayed off to reply to other messages or browse the Web.
In workplace cubicles, we're safe (most of the time). But out in the real world, multitasking can be dangerous. In 1999, the U.S. Army studied the effect talking on a cell phone had on driving ability. Its conclusion? "All forms of cellular phone usage lead to significant decreases in abilities to respond to highway traffic situations." This was especially true for older drivers. The older we are, the harder it becomes to screen out distractions. The decline is noticeable after age 40. And don't get me started on the life-threatening dangers of texting while driving, which may most noticeably distract teens.
What to do with our task filled, lots of balls in the air at once, anxiety laden lives? This shouldn't surprise you: Slow down. Multitasking can cause our error rate to go up, as our attention becomes divided. It makes sense to slow down and do things one at a time. The slower approach may actually be more efficient in the long run, and wouldn't it be a nice change in the day to actually feel in control of your time and tasks?
When you go to bed at night, make a list of the most pressing things that will fall on your next day, and be sure to prioritize them. When you wake up, look at the list, and make sure that the "have to's" on it stay near the top, and the lesser items near the end. Keeping your day a bit more organized can pay big rewards when you feel like you have good control over your time, your day, your life!
John
Email John: johnsblog@teshmedia.com
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