2013 年医学考博真题（完形部分） )`?Es8uW
Video game players may get an unexpected benefit from blowing away bad guys q6'3 -@%
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better vision. Z_{` $nW
Playing “action” video games improves a visual ability _51_ tasks like ~[bS+ ]d!
reading and driving at night, a new study says. This ability, called contrast sensitivity @D_=M tF<
function, allows people to discern even subtle changes _52_ gray against a uniformly ~`M>&E@Y_/
colored backdrop. It’s also one of the first visual aptitudes to fade with age. _53_ a '6Dt@^-PZ
regular regimen of action video game training can provide long-lasting visual power, |5
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according to work led by Daphne Bavelier of the University of Rochester. =)}m4,LA
Previous research shows that gaming improves other visual skills, such as the ability VF1)dd
to track several objects at the same time and _54_ attention to a series of fast-moving '
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events. Bavelier said, “a lot of different aspects of the visual system are being enhanced, 医学考博完形强化 医学考博完形解析—连俊霞 #@xSR:m
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The new work suggests that playing video games could someday become part of 't".~H_V
vision-correction treatments, which currently rely mainly on surgery or corrective lenses. &>kkl P
“_56_ you’ve had eye surgery or get corrective lenses, exposing yourself to these games t]1j4S"pm
should help the optical system to recover faster and better, you need to retrain the brain F4+mkB:w*7
to make use of the better, crisper information that’s coming in _57_ your improved |/K+tH
eyesight”. F?=(4Pyvu
Expert action gamers in the study played first-person shooters Unreal Tournament vaQ Z1a,
2004 and Call of Duty 2. A group of experienced nonaction gamers played The Sims 2, a 5HP6o
“life simulation” video game. The players of nonaction video games didn’t see the same lk8g2H
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vision _58_, the study says. Bavelier and others are now trying to figure out exactly why |eT? XT<=o
action games _59_ seem to sharpen visual skill. It may be that locating enemies and ZAe>MNtW
aiming accurately is a strenuous, strength-building workout for the eyes, she said DueQ1+ P
another possible _60_ is that the unpredictable, fast-changing environment of the
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typical action game requires players to constantly monitor entire landscapes and analyze A-gNfXP,D
optical data quickly. jSbO1 go#
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