William Shakespeare described old age as "second childishness"—no teeth, no eyes, no taste. In the case of taste he may, musical

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问题     William Shakespeare described old age as "second childishness"—no teeth, no eyes, no taste. In the case of taste he may, musically speaking, have been more perceptive than he realised. A paper in Neurology by Giovanni Frisoni and his colleagues at the National Centre for Besearch and Care of Alzheimer’s Disease in Italy, shows that frontotemporal dementia can affect musical desires in ways that suggest a regression, if not to infancy, then at least to a patient’s teens.
    Frontotemporal dementia, a disease usually found with old people, is caused, as its name suggests, by damage to the front and sides of the brain. These regions are concerned with speech, and with such "higher"functions as abstract thinking and judgment.
    Two of such patients intrigued Dr Frisoni. One was a 68-year-old lawyer, the other a 73-year-old housewife. Both had undamaged memories, but displayed the sorts of defect associated with frontotemporal dementia—a diagnosis that was confirmed by brain scanning.
    About two years after he was first diagnosed, the lawyer, once a classical music lover who referred to pop music as "mere noise", started listening to the Italian pop band "883". As his command of language and his emotional attachments to friends and family deteriorated, he continued to listen to the band at full volume for many hours a day. The housewife had not even had the lawyer’s love of classical music, having never enjoyed music of any sort in the past. But about a year after her diagnosis she became very interested in the songs that her 11-year-old granddaughter was listening to.
    This kind of change in musical taste was not seen in any of the Alzheimer’s patients, and thus appears to be specific to those with frontotemporal dementia. And other studies have remarked on how frontotemporal-dementia patients sometimes gain new talents. Five sufferers who developed artistic abilities are known. And in another case, one woman with the disease suddenly started composing and singing country and western songs.
    Dr Frisoni speculates that the illness is causing people to develop a new attitude towards new experiences. Previous studies of novelty-seeking behaviour suggest that it is managed by the brain’s right frontal lobe. A predominance of the right over the left frontal lobe, caused by damage to the latter, might thus lead to a quest for new experience. Alternatively, the damage may have affected some specific nervous system that is needed to appreciate certain kinds of music. Whether that is a gain or a loss is a different matter. As Dr Frisoni puts it in his article, there is no accounting for taste.
The writer quotes Shakespeare mainly to_________.

选项 A、praise the keen perception of the great English writer
B、support Dr Frisoni’s theory about a disease
C、start the discussion on a brain disease
D、show the long history of the disease

答案C

解析 第一段中第一句话威廉莎士比亚把老年阶段比做“第二次孩子气”——没有牙齿,视力差。失去味觉。接着整篇文章谈论了一种跟音乐品味有关的大脑疾病——额颞痴呆症。因此可知,作者引用威廉莎士比亚的一句话只是为了引出后文,即start discussion on a brain disease.故选C。
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