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The ability to speak two languages can make bilingual people better able to pay attention than those who can only speak one language, a new study suggests. 一项新研究结果显示，同只能讲一种语言的人相比，能说两种语言的双语者能够更好地集中注意力。 Scientists have long suspected that some enhanced mental abilities might be tied to structural differences in brain networks shaped by learning more than one language, just as a musician’s brain can be altered by the long hours of practice needed to master an instrument. 长期以来，科学家们一直怀疑，一些人思维能力的提升可能与学习多种语言的过程中形成的大脑网络结构差异有关，正如音乐家们为掌握一种乐器而进行长时间练习之后，其大脑结构会发生改变。 Now, in a study published in the Poceeding of the National Academy of Sciences, researchers at Northwestern University for the first time have documented differences in how the bilingual brain processes the sounds of speech, compared with those who speak a single language, in ways that make it better at picking out a spoken syllable, even when it is buried in a babble of voices. 如今，发表在《美国国家科学院院刊》上的一项研究结果显示，美国西北大学(Northwestern University)的研究者首次证明了双语者的大脑在处理语音时的不同之处。与讲单一语言的人相比，双语者更善于识别人们说出的音节，即使这些音节被淹没在嘈杂声音里。 | 
