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Multitasking Causes Serious Brain Drain

Constant switching of focus is inefficient, can lead to trouble

By Harry Kimball,  Newser Staff

Posted Oct 26, 2009 2:44 PM CDT

(Newser) – Multitasking isn’t helping you do anything faster, and constant exposure to multiple electronic media makes people really bad at—multitasking. “When you’re pushing yourself to perform two or more tasks, especially complicated tasks, it’s not beneficial,” a researcher tells the Boston Globe. “It’s extremely inefficient.” That's because no matter how small the task, the brain must reorient its focus.

“If you can’t do it in your sleep, it is taking up cognitive energy,” another researcher says, and all the attention shifts during a day of texting and talking and writing can add up to real time. Even extensive practice with multiple media streams doesn't make you any better at multitasking. In fact, a study shows, it makes you worse: Subjects who habitually juggle electronic tasks are more distracted than their peers. “They couldn’t help thinking about the tasks they weren’t doing,” a researcher explains.

iPhones.
iPhones.   (AP Photo)
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If you’re right in the middle of a paragraph and get interrupted, it could take hours to reconstruct what was in your mind and re-create the awareness you had before the interruption. - David Meyer, University of Michigan

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COMMENTS
Showing 3 of 10 comments
cornelison
Oct 27, 2009 5:04 AM CDT
Tell that to the supervisors who pressure workers into multitasking. They don't care. Multitasking not only causes numerous mistakes but it is stressful to an employee. That's why drivers shouldn't use a cell phone or anything else that doesn't give them full attention on the road.
Toon
Oct 27, 2009 3:01 AM CDT
Yes that's exactly what Timi meant.
Leners
Oct 27, 2009 2:59 AM CDT
I don't think our generation knows any other way to function...

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