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  3. The following paragraphs are given in a wrong order. For questions 1 — 5, you are required to reorganize these paragraphs into a

The following paragraphs are given in a wrong order. For questions 1 — 5, you are required to reorganize these paragraphs into a

admin2014-07-25  2
问题 The following paragraphs are given in a wrong order. For questions 1 — 5, you are required to reorganize these paragraphs into a coherent article by choosing from the list A~G to fill in each numbered box. The first and the fifth paragraphs have been placed for you in Boxes.
[A]The study, reported in Current Biology, involved a number of experiments. In one, the participants had to watch 12 dots moving randomly on a screen and quickly assess their general direction of movement. Another test asked participants to work out the direction of specific sounds embedded within stereo white noise. In both tests the video-gamers did better. However, the scientists were aware that gamers could have been born with improved abilities to perform such tasks, which were possibly what attracted them to gaming in the first place. Consequently, a third test was necessary to see if these abilities could have been learnt.
[B]The researchers conclude that video-games players develop an enhanced sensitivity to what is going on around them and that this may help with activities such as multitasking, driving, reading small print, navigation and keeping track of friends or children in a crowd. The precise neural mechanism for this effect, however, is still unknown.
[C]The relentless march of technology into everyday life has always given rise to debate about whether it is a good or a bad thing. Some believe that the internet and computer software are making humans more stupid or shallow. But others argue that computer programs in the form of video games can make people smarter or improve specific skills, such as spatial awareness. Indeed, many scientific studies have shown that video games can improve human performance in sensory and perceptual tasks. But the improvement seems to come only in the task that a game trains you for. This is not surprising. The real question is whether video games are capable of providing more general gains in performance.
[D]One implication of this discovery is that reaction times in the population will probably improve with the rise of fast-action video-games. There are a lot of players: last year a report estimated that 67% of American households contained at least one video-gamer. And if video-gamers are really better equipped to make quick decisions, they might also turn out to be better drivers and end up in fewer accidents. However, the notion that gamers acquire some minor physical skills may not sooth concerned parents.
[E]Shawn Green, Alexandre Pouget and Daphne Bavelier, from the University of Rochester, in New York state, set out to find an answer. They recruited a group of video-gamers and compared their reaction skills with a group of non-players. The gamers had all spent at least five hours a week on action games in the previous year.
[F]The non-gaming volunteers were put through 50 hours of video-game training. For some this involved playing fast-action shoot- em-up games such as "Call of Duty 2" and "Unreal Tournament", but others were given a slow-moving life-strategy game, "The Sims 2". The researchers found that those trained with action games raised their performance to the level of the experienced gamers. Moreover, they were more efficient in their use of visual or auditory evidence than those playing with the Sims. The action gamers were up to 25% faster at coming to a conclusion and they answered just as many questions correctly.
[G]What is known is that people make decisions based on probabilities that are constantly being calculated and refined in their heads—something called "probabilistic inference". The brain collects small pieces of information, eventually gathering enough to make an accurate decision. The more efficient someone is at collecting visual and auditory information, the faster he can reach the threshold needed to make a decision.

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