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In Defense of Distraction

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Illustration by Glen Cummings/MTWTF  

Over the last twenty years, Meyer and a host of other researchers have proved again and again that multitasking, at least as our culture has come to know and love and institutionalize it, is a myth. When you think you’re doing two things at once, you’re almost always just switching rapidly between them, leaking a little mental efficiency with every switch. Meyer says that this is because, to put it simply, the brain processes different kinds of information on a variety of separate “channels”—a language channel, a visual channel, an auditory channel, and so on—each of which can process only one stream of information at a time. If you overburden a channel, the brain becomes inefficient and mistake-prone. The classic example is driving while talking on a cell phone, two tasks that conflict across a range of obvious channels: Steering and dialing are both manual tasks, looking out the windshield and reading a phone screen are both visual, etc. Even talking on a hands-free phone can be dangerous, Meyer says. If the person on the other end of the phone is describing a visual scene—say, the layout of a room full of furniture—that conversation can actually occupy your visual channel enough to impair your ability to see what’s around you on the road.

The only time multitasking does work efficiently, Meyer says, is when multiple simple tasks operate on entirely separate channels—for example, folding laundry (a visual-manual task) while listening to a stock report (a verbal task). But real-world scenarios that fit those specifications are very rare.

This is troubling news, obviously, for a culture of BlackBerrys and news crawls and Firefox tabs—tools that, critics argue, force us all into a kind of elective ADHD. The tech theorist Linda Stone famously coined the phrase “continuous partial attention” to describe our newly frazzled state of mind. American office workers don’t stick with any single task for more than a few minutes at a time; if left uninterrupted, they will most likely interrupt themselves. Since every interruption costs around 25 minutes of productivity, we spend nearly a third of our day recovering from them. We keep an average of eight windows open on our computer screens at one time and skip between them every twenty seconds. When we read online, we hardly even read at all—our eyes run down the page in an F pattern, scanning for keywords. When you add up all the leaks from these constant little switches, soon you’re hemorrhaging a dangerous amount of mental power. People who frequently check their e-mail have tested as less intelligent than people who are actually high on marijuana. Meyer guesses that the damage will take decades to understand, let alone fix. If Einstein were alive today, he says, he’d probably be forced to multitask so relentlessly in the Swiss patent office that he’d never get a chance to work out the theory of relativity.

II. The War on the Poverty of Attention

For Winifred Gallagher, the author of Rapt, a new book about the power of attention, it all comes down to the problem of jackhammers. A few minutes before I called, she tells me, a construction crew started jackhammering outside her apartment window. The noise immediately captured what’s called her bottom-up attention—the broad involuntary awareness that roams the world constantly looking for danger and rewards: shiny objects, sudden movements, pungent smells. Instead of letting this distract her, however, she made a conscious choice to go into the next room and summon her top-down attention—the narrow, voluntary focus that allows us to isolate and enhance some little slice of the world while ruthlessly suppressing everything else.

This attentional self-control, which psychologists call executive function, is at the very center of our struggle with attention. It’s what allows us to invest our focus wisely or poorly. Some of us, of course, have an easier time with it than others.

Gallagher admits that she’s been blessed with a naturally strong executive function. “It sounds funny,” she tells me, “but I’ve always thought of paying attention as a kind of sexy, visceral activity. Even as a kid, I enjoyed focusing. I could feel it in almost a mentally muscular way. I took a lot of pleasure in concentrating on things. I’m the sort of irritating person who can sit down to work at nine o’clock and look up at two o’clock and say, ‘Oh, I thought it was around 10:30.’ ”

Gallagher became obsessed with the problem of attention five years ago, when she was diagnosed with advanced and aggressive breast cancer. She was devastated, naturally, but then realized, on her way out of the hospital, that even the cancer could be seen largely as a problem of focus—a terrifying, deadly, internal jackhammer. It made her realize, she says, that attention was “not just a latent ability, it was something you could marshal and use as a tool.” By the time she reached her subway station, Gallagher had come up with a strategy: She would make all the big pressing cancer-related decisions as quickly as possible, then, in order to maximize whatever time she had left, consciously shift her attention to more positive, productive things.


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