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A new study published in the journal Proceedings of the Royal Society B by the teams of Dr. Gregory West and Dr. Veronique Bohbo

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问题     A new study published in the journal Proceedings of the Royal Society B by the teams of Dr. Gregory West and Dr. Veronique Bohbot shows that【B1】______ video game players (VGPs) 【B2】______ more efficient visual attention abilities, they are【B3】______much more likely to use navigation strategies that【B4】______on the brain’s reward system and not the brain’s spatial memory system.
    Past research has shown that people who【B5】______the reward system-dependent navigation strategies have decreased grey matter and【B6】______functional brain activity in the memory system. However, the effects of intense video gaming on the brain are only beginning to be【B7】______.
    The study was conducted【B8】______a group of adult gamers who were spending at least six hours per week on this activity. " For more than a decade now, research has demonstrated that action video game players display more【B9】______visual attention abilities, and our【B10】______study has once again confirmed this【B11】______says first author Dr. Gregory West. "【B12】______ , we also found that gamers rely on the reward system to a greater【B13】______than non-gamers. Past research has shown that people who rely on the reward-system-dependent strategies have lower grey matter and functional brain activity in the hippocampus. This means that people who spend a lot of time playing video games may have【B14】______hippocampal integrity, which is associated with an increased risk of neurological disorders【B15】______Alzheimer’ s disease."
    【B16】______past research has shown video games as having positive effects on attention , it is important for future research to confirm that gaming does not have a【B17】______effect on the hippocampus. Future research using neuroimaging will be necessary to further【B18】______our current findings, and these studies should investigate the【B19】______effects of specific video games【B20】______the integrity of the reward system and hippocampus.
【B20】
选项 A、for
B、with
C、on
D、into
答案C
解析 effect of A on B(A对B的影响)，本题较易。选项[A]for常表示目的或倾向。选项[B]with表示伴随，而选项[D]into常表示进入某种时间或空间状态。
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