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高三阅读理解Investigators at The Feinstein Institute for Medical

时间:2018-11-05 17:49  作者:David  来源:本站整理

Investigators at The Feinstein Institute for Medical Research discovered dozens of new genetic variations(基因变异) associated with a person’s general cognitive ability(认知能力). The findings, which were published online today in Cell Reports, have the potential to help researchers develop more targeted treatment for cognitive and memory disorders.
“For the first time, we were able to use genetic information to point us towards specific drugs that might aid in cognitive disorders of the brain, including Alzheimer’s disease, schizophrenia and attention deficit hyperactivity disorder(注意缺陷障碍),” said Todd Lencz, PhD, senior author of the study and professor at the Feinstein Institute and the Donald and Barbara Zucker School of Medicine at Hofstra Northwell.
In the largest peer-reviewed study of its kind, an international team of 65 scientists, led by Dr. Lencz, studied the genomes of more than 100,000 individuals who had their brain function measured by neuropsychological (神经心理的)tests.
These data were then combined with genomes from 300,000 people measured for the highest level of education achieved, which serves as an estimate for cognitive ability, or how the brain acquires knowledge.
While analyzing cognitive ability, researchers also discovered a genetic overlap(基因重叠) with longevity(长寿). They found when examining an individual’s family that a genetic tendency towards higher cognitive ability was associated with longer lifespan. A new genetic overlap between cognitive ability and risk for autoimmune(自身免疫的)disease was also identified.
This study appears less than a year after Dr. Lencz and his colleagues published a similar, smaller study that was only able to identify a few key genes associated with cognitive ability.
“The field of genomics is growing fast,” Dr. Lencz said. “The number of genes we can discover is a direct function of the sample size available, and thus further research with additional samples is likely to provide even more insight into how our genes play a role in cognitive ability.”
8.What information about the investigators can we get from the first paragraph?
A.They published their findings in a newspaper.
B.They devoted themselves to improving cognitive ability.
C.They found a lot of genetic variations about some disorders.
D.Their findings are likely to help find more treatment for some diseases.
9.What can be inferred from what Todd Lencz said?
A.They could cure cognitive disorders of the brain for the first time.
B.It’s their first time to make use of genetic variations.
C.Our genes play an important role in cognitive ability.
D.Researchers are making rapid progress in genomics.
10.What can we know about their study?
A.It could only identify a few key genes. B.It was conducted by scientists worldwide.
C.Their study is second to none in its field.  D.It was meant to help man live a longer life.
11.Why will the scientists probably do further research?
A.Because more genes must be discovered.
B.Because the field of genomics is growing fast.
C.Because more samples are needed to find more genes.
D.Because they wonder why our genes play a role in cognitive ability.


答案 DDBC

TAG标签阅读理解 高三