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Online social networks are massively influential, yet we understand very lit
Online social networks are massively influential, yet we understand very lit
游客
2023-11-12
58
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问题
Online social networks are massively influential, yet we understand very little about the impact they have on our brains. Recently, scientists have found a direct 【C1】______ between the number of Facebook friends a person has and the size of【C2】______ brain regions. The study also shows the more Facebook friends a person has, the more real-world friends he is【C3】______to have.
Facebook users who have a【C4】______of friends also tend to have smaller circles of friends in the real-world and,【C5】______ those who have thousands of friends on Facebook are likely to have larger circles offline, according to the study. The findings support the【C6】______ that most Facebook users use the site to【C7】______their existing, real-life social relationships, maintaining or reinforcing these friendships,【C8】______creating a network of entirely new,【C9】______friends.
The researchers scanned the brains of 125 university-aged Facebook users,【C10】______ these scans to the size of their friend networks online and the real-world. Those with larger Facebook networks had larger amounts of grey matter in several regions of the brain. One of these regions, the amygdala, is 【C11】______with processing memory and emotional responses. Pairing this【C12】______ another recent study, the researchers show increased volume grey matter in the amygdala【C13】______ a larger network of real-world friends.【C14】______these studies show a large network of online friends also point to an increased volume of grey matter—【C15】______ information processing occurs. In addition to brain scans, the participants were asked questions 【C16】______ to compare the size of their online networks to the size of their real-world networks.
The study【C17】______the correlation between the number of friends online【C18】______ offline. Still, it is not possible from the【C19】______to say whether having more Facebook friends makes the regions of the brain larger【C20】______ whether some people are "hard-wired" to have more friends. [br] 【C19】
选项
A、result
B、analysis
C、sample
D、data
答案
D
解析
名词辨析题。句意为:但是,从这些数据中仍然不可能判断出是拥有更多的“脸书”好友会使一些脑部区域扩大还是这些人神经线更加强大才会拥有更多好友。由上文可知,研究者对研究对象进行了脑部扫描和问题比对,研究结论应得自这些研究所取得的数据,故选择data。研究结论不能直接得自sample“样本”;而没有数据支持的analysis“分析”也不能得出结论;result“结果”与结论意义重复,不符合逻辑。
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