Deep Work Rules for focused success in a distracted world ( PDFDrive.com )
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This study, it turns out, is one of many that validate attention restoration theory
(ART), which claims that spending time in nature can improve your ability to
concentrate. This theory, which was first proposed in the 1980s by the University of
Michigan psychologists Rachel Kaplan and Stephen Kaplan (the latter of which coauthored
the 2008 study discussed here, along with Marc Berman and John Jonides),
is based on the concept of attention fatigue. To concentrate requires what ART calls
directed attention. This resource is finite: If you exhaust it, you’ll struggle to
concentrate. (For our purposes, we can think of this resource as the same thing as
Baumeister’s limited willpower reserves we discussed in the introduction to this
rule. * ) The 2008 study argues that walking on busy city streets requires you to use
directed attention, as you must navigate complicated tasks like figuring out when to
cross a street to not get run over, or when to maneuver around the slow group of
tourists blocking the sidewalk. After just fifty minutes of this focused navigation, the
subject’s store of directed attention was low.
Walking through nature, by contrast, exposes you to what lead author Marc Berman
calls “inherently fascinating stimuli,” using sunsets as an example. These stimuli
“invoke attention modestly, allowing focused-attention mechanisms a chance to
replenish.” Put another way, when walking through nature, you’re freed from having to
direct your attention, as there are few challenges to navigate (like crowded street
crossings), and experience enough interesting stimuli to keep your mind sufficiently
occupied to avoid the need to actively aim your attention. This state allows your
directed attention resources time to replenish. After fifty minutes of such
replenishment, the subjects enjoyed a boost in their concentration.
(You might, of course, argue that perhaps being outside watching a sunset puts
people in a good mood, and being in a good mood is what really helps performance on
these tasks. But in a sadistic twist, the researchers debunked that hypothesis by
repeating the experiment in the harsh Ann Arbor winter. Walking outside in brutal cold
conditions didn’t put the subjects in a good mood, but they still ended up doing better
on concentration tasks.)
What’s important to our purpose is observing that the implications of ART expand
beyond the benefits of nature. The core mechanism of this theory is the idea that you
can restore your ability to direct your attention if you give this activity a rest. Walking
in nature provides such a mental respite, but so, too, can any number of relaxing
activities so long as they provide similar “inherently fascinating stimuli” and freedom
from directed concentration. Having a casual conversation with a friend, listening to
music while making dinner, playing a game with your kids, going for a run—the types
of activities that will fill your time in the evening if you enforce a work shutdown—