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It lets players plot their concentration levels at important moments in a game-during a golf swing, say-on a chart and, in so doing, helps them learn to ignore distractions.

它能画出运动员在竞技中的重要时刻的集中度水平曲线，通过这个曲线，能帮助他们学习如何避免分神。

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He found that the presence of house plants increased concentration levels by 33 per cent, reduced headaches by 45 per cent and resulted in 31 per cent fewer complaints about dry throats and coughs.

他发现室内放置植物以后，人们注意力的集中程度提高了33%，头疼现象减少了45%，喉咙发干和咳嗽情况下降了31%。

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When you're irritated by something, your stress hormones rise and your concentration levels decrease.

CNN: Fuzzy brain? Improve your attention span

Chris Cohen's goal for the home side settled the game but O'Neil is adamant the only difference between the two sides is their levels of concentration.

BBC: Errors cost Middlesbrough points - Gary O'Neil

England may have been trying to knock his helmet onto the stumps, as almost happened in the first innings, but his chin strap remained as resolute as his levels of concentration.

BBC: South Africa earn draw at Lord's