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  3. When older people can no longer remember names at a cocktail party, they tend to think that their brainpower is declining. But m

When older people can no longer remember names at a cocktail party, they tend to think that their brainpower is declining. But m

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问题     When older people can no longer remember names at a cocktail party, they tend to think that their brainpower is declining. But more and more studies suggest that this assumption is often wrong. Instead, the research finds, the aging brain is simply taking in more data and trying to sift through a clutter of information, often to its long-term benefit. The studies are analyzed in a new edition of a neurology book,"Progress in Brain Research. "
    Some brains do deteriorate with age. Alzheimer’s disease, for example, strikes 13 percent of Americans 65 and older. But for most aging adults, the authors say, much of what occurs is a gradually widening focus of attention that makes it more difficult to latch onto just one fact, like a name or a telephone number. Although that can be frustrating, it is often useful. "It may be that distractibility is not, in fact, a bad thing," said Shelley H. Carson, a psychology researcher at Harvard whose work was cited in the book. "It may increase the amount of information available to the conscious mind. "
    For example, in studies where subjects are asked to read passages that are interrupted with unexpected words or phrases, adults 60 and older work much more slowly than college students. Although the students plow through the texts at a consistent speed regardless of what the out-of-place words mean, older people slow down even more when the words are related to the topic at hand. That indicates that they are not just stumbling over the extra information, but are taking it in and processing it. When both groups were later asked questions for which the out-of-place words might be answers, the older adults responded much better than the students.
    "For the young people, it’ s as if the distraction never happened, " said an author of the review, Lynn Hasher, a professor of psychology at the University of Toronto and a senior scientist at the Rotman Research Institute. "But for older adults, because they’ve retained all this extra data, they’re now suddenly the better problem solvers. They can transfer the information they’ve soaked up from one situation to another. "
    In the real world, such tendencies can yield big advantages, where it is not always clear what information is important, or will become important. A seemingly irrelevant point or suggestion in a memo can take on new meaning if the original plan changes. Or extra details that stole your attention, like others’ yawning and fidgeting, may help you assess the speaker’s real impact.
The studies mentioned in paragraph 3 show that
选项 A、out-of-place words are never negligible.
B、it is advisable for the old to read slowly.
C、there is nothing that can distract young people.
D、old people may be more attentive in face of distractions.
答案D
解析 本题是一道细节分析题，考查对文章中相关细节的理解。第三段提出老年人和年轻大学生对阅读材料中干扰信息的加工不同，老年人降低阅读速度，深度加工了材料中的不恰当词语(out-of-place words)，被问及相关信息时，比学生反应更佳。但这只是实例的描述，应该结合前后文的论述对其加以总结，这个实证研究旨在证明前文的论题——老人的注意广度更宽，即忽略的信息更少了，老年人与年轻大学生面对干扰信息(distraction，out-of-place words)时的对比，正好用D选项“老年人面对干扰时可能更加注意这些干扰信息”加以总结。所以答案为D。
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