首页
财务会计
医药卫生
金融经济
考公考编
外语考试
学历提升
职称考试
建筑工程
IT考试
其他
登录
职称考试
共用题干 Sleep Lets Brain File MemoriesTo sleep.Perchance to file?Findings publi...
共用题干 Sleep Lets Brain File MemoriesTo sleep.Perchance to file?Findings publi...
admin
2020-12-24
38
问题
共用题干
Sleep Lets Brain File Memories
To sleep.Perchance to file?Findings published online this week by the Proceedings of the National Academy of Science further support the theory that brain organizes and stows memories formed during the day while the rest of the body is catching zzz's.
Gyorgy Buzsaki of Rutgers University and his colleagues analyzed the brain waves of sleeping rats and mice.Specifically,they examined the electrical activity emanating from the somatosensory neocortex(an area that processes sensory information)and the hippocampus,which is a center for learning and memory.The scientists found that oscillations in brain waves from the two regions appear to be intertwined.So-called sleep spindles(bursts of activity from the neocortex)were followed tens of milliseconds later by beats in the hippocampus known as ripples.The team posits that this interplay between the two brain regions is a key step in memory consolidation.
A second study,also published online this week by the Proceedings of the National Academy of Sciences,links age-associated memory decline to high glucose level.
Previous research had shown that individuals with diabetes suffer from increased memory problems.In the new work,Antonio Convit of New York University School of Medicine and his collaborators studied 30 people whose average age was 69 to investigate whether sugar levels,which tend to increase with age,affect memory in healthy people as well.The scientists administered recall tests,brain scans and glucose tolerance tests,which measure how quickly sugar is absorbed from the blood by the body's issues.Subjects with the poorest memory recollection,the team discovered,also displayed the poorest glucose tolerance.In addition, their brain scans showed more hippocampus shrinkage than those of subjects better able to absorb blood sugar.
"Our study suggests that this impairment may contribute to the memory deficits that occur as people age,"Convit says."And it raises the intriguing possibility that improving glucose tolerance could reverse some age一associated problems in cognition?”Exercise and weights control can help keep glucose level in check,so there may be one more reason to go to the gym.
选项
According to the last paragraph,what is the ultimate reason for going to the gym?
A:To prevent hippocampus shrinkage.
B:To control weight.
C:To exercise.
D:To control glucose levels.
答案
D
解析
由文章第一段内容可知,科学新发现进一步支持了一种理论,即当人体进人睡眠状态时,大脑对在白天形成的记忆进行组织和储存。"Tosleep.Perchancetofile?”由莎士比亚的名句“Tosleep:perchancetodream."(睡眠也许要做梦)转化而来,它在本句的意思是:睡觉也许要记忆整理,故选A。
第二段提到科学家分析了老鼠的脑电波,尤其是从躯体感觉新皮层和海马体两个区域发出的脑电波。该段最后指出,这两个大脑区域的活动是相互作用的;第二段并未提及两者中的任何一个起主要作用。
由文章第四段倒数第二句话“Subjectswiththepoorestmemoryrecollection,theteamdiscovered,alsodisplayedthepoorestglucosetolerance.”可知,D项正确。
第四段最后一句“…theirbrainscans…中their指上句中的“Subjectswiththepoorestmemoryrecollection",所以B项正确?
文章最后一段提到,锻炼身体和控制体重能够限制葡萄糖浓度,因而,去健身房就有了另外一个原因。第二篇本篇文章主要讲述了大量发展中国家的艾滋病患者由于没有得到治疗而死去的情况,接着指出应加强对艾滋病患者的救治,并提出了三种具体的救治办法。
转载请注明原文地址:https://ti.zuoweng.com/ti/QWEQKKKQ
相关试题推荐
TryingtoFindaPartner Oneofthemoststrikingfindingsofarecentpoll...
TryingtoFindaPartner Oneofthemoststrikingfindingsofarecentpoll...
TryingtoFindaPartner Oneofthemoststrikingfindingsofarecentpoll...
共用题干 WhereDidAlltheShipsGo?TheBermudaTriangle(三角区)isone________(1)t...
共用题干 WhereDidAlltheShipsGo?TheBermudaTriangle(三角区)isone________(1)t...
共用题干 WhereDidAlltheShipsGo?TheBermudaTriangle(三角区)isone________(1)t...
共用题干 WhereDidAlltheShipsGo?TheBermudaTriangle(三角区)isone________(1)t...
共用题干 WhereDidAlltheShipsGo?TheBermudaTriangle(三角区)isone________(1)t...
共用题干 WhereDidAlltheShipsGo?TheBermudaTriangle(三角区)isone________(1)t...
共用题干 WhereDidAlltheShipsGo?TheBermudaTriangle(三角区)isone________(1)t...
随机试题
最常见的恶性原发性骨肿瘤 A、软骨肉瘤 B、骨肉瘤 C、纤维肉瘤
基金销售机构在实施基金销售适用性的过程中,说法正确的有()。 Ⅰ.与基金投
()的消防用电设备及消防电梯等的供电设备,应在其配电线路的最末一级配电箱处设置
孔子提出“仁”和“礼”的意图是()。
企业发生的年度亏损,可以用下一年度的税前利润弥补,下一年度所得不足弥补的,可延续
某8年前建成交付使用的建筑物,在此期间该建筑物的维修养护情况正常,估价人员实地观
以下关于个人汽车贷款的原则说法不正确的是()
下列验算中,不属于边坡支护结构验算的内容是()。 A.地下水控制计算和验算B.支护结构整体稳定性验算 C.立柱与挡墙基础的地基承载力计算D.支护...
属于质子泵抑制剂的是A.硫糖铝B.法莫替丁C.碳酸钙D.奥美拉唑E.氢氧化铝
进行工程项目经济评价,应遵循()权衡的基本原则。A.费用与效益B.收益与风险C.静态与动态D.效率与公平