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P300 is the brainwave _____.

题目
单选题
P300 is the brainwave _____.
A

which may confirm that the person knows no details about the question

B

lack of which may confirm that the person knows details about the question

C

which may help prove that the suspect hasn’t committed a crime

D

lack of which may mean that the suspect hasn’t committed a crime

参考答案和解析
正确答案： A
解析：
第四段第三、四句说MERMER的原理是将人与EEG机器相连并询问他有关犯罪现场的具体细节。如果没有被称为P300的脑波就说明对所问问题并不熟悉，也就是说如果此人否认知情，应该认为他说的是实话。
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相似问题和答案

第1题：

共用题干
Easy Learning

Students should be jealous.Not only do babies get to doze their days away,but they've also
mastered the fine art of learning in their sleep.
By the time babies are a year old they can recognize a lot of sounds and even simple words. Marie Cheour at the university of Turku in Finland suspected that they might progress this fast be-cause they learn language while they sleep as well as when they are awake.
To test the theory,Cheour and their colleagues studied 45 newborn babies in the first days of their lives.They exposed all the infants to an hour of Finnish vowel sounds一one that sounds like "oo",another like"ee"and a third boundary vowel peculiar to Finnish and similar languages that sounds like something in between.EEG recording of the infants brains before and after the session showed that the newborns could not distinguish the sounds.
Fifteen of the babies then went back with their mothers,while the rest were split into two sleepstudy groups.One group was exposed throughout their night-time sleeping hours to the same three vowels,while the others listened to the other,easier-to-distinguish vowel sounds.
When tested in the morning,and again in the evening,the babies who'd heard the tricky boundary vowels all night showed brainwave activity indicating that they could now recognize this sound.They could identify the sound even when its pitch was changed,while none of the other babies could pick up the boundary vowel at all.
Cheour doesn't know how babies accomplish this night-time learning,but she suspects that the special ability might indicate that unlike adults,babies don't"turn off" their cerebral cortex while they sleep.The skill probably fades in the course of the first years of life,she add一so forget the idea that you can pick up the tricky French vowels as an adult just by slipping a language tape under your pillow. But while it may not help grown-ups,Cheour is hoping to use the sleeping hours to give remedial help to babies who are genetically at risk of language disorders.

The study shows that the infant's cerebral cortex is working while he is asleep.
A:Right
B:Wrong
C:Not mentioned

答案：A
解析：
相关信息在第一段：Students should be jealous.Not only do babies get to doze their days away, but they've also mastered the fine art of learning in their sleep．学生们应该感到嫉妒。婴儿们不仅整天睡觉，而且他们还能在睡眠中掌握学习的艺术。not only...but also...= not only...but…意思是“不但······而且······”。
第二段第一句提到：By the time babies are a year old they can recognize a lot of sounds and even simple words.但不是题目句中的vowels（元音）。之后也没有相关信息。因此该信息文中没有提到。
文中没有提到芬兰元音是否容易区分，因此该题的答案为“没提到”。
短文第三段第二句说：They exposed all the infants to an hour of Finnish vowel sounds一one that sounds like"oo",another like"ee"and a third boundary vowel peculiar to Finnish…因此题干的说法是正确的。
第六段第一句说：Cheour doesn't know how babies accomplish this night-time learning,but she suspects that the special ability might indicate that unlike adults,babies don't " turn off" their cerebral cortex while they sleep.该句在语意上和题干一致，因此题干的说法正确。
第六段第二句说：The skill probably fades in the course of the first years of life,she adds一so forget the idea that you can pick up the tricky French vowels as an adult just by slipping（塞入）a language tape under your pillow.该句在内容上与题干内容相反，因此题干的说法错误。
借助常识可判断该题的说法错误：文章中通常不会提出没有用的东西来浪费读者的时间。在文章最后部分，也可以找到答案相关句：But while it may not help grown-ups,Cheour is hoping to use the sleeping hours to give remedial help to babies who are genetically at risk of language disorders.it指带前句中的the skill，即the night-time-learning( Cheour发现的内容），该句内容与题干内容不一致，因此题干的说法错误。

第2题：

VEP惟一可靠的指标是（）

  • A、P100
  • B、N15
  • C、N145
  • D、N100
  • E、P300

正确答案:A

第3题：

简述工作岗位分类以及采用点数法对工作性岗位进行纵向分级的主要步骤?(P300～304)(12分)


正确答案：
    (1)工作岗位分类如下：(8分)    
    1)岗位的横向分级，即根据岗位的工作性质及特征，将其划分为若干类别。
    2)岗位的纵向分级，即根据每一岗位的繁简难易程度、责任轻重以及所需学识、技能、经验水平等因素，将它们归入一定的档次级别。    
    3)根据岗位分类的结果，制定各类岗位的岗位规范即岗位说明书，并以此作为各项人力资源管理工作的依据。    
    4)建立企业岗位分类图表，说明企业各类岗位的分布及其配置状况，为企业员工的分类管理提供依据。
    (2)对工作性岗位进行纵向分级的主要步骤如下：(4分)
    1)选择岗位评价要素。
    2)建立岗位要素指标评价标准表。
    3)按照要素评价标准对各岗位打分，并根据结果划分岗级。
    4)根据各个岗位的岗级统一归入相应的岗等。

第4题：

单选题
有关P300神经发生源，不正确的是（　　）。
A

丘脑

B

海马

C

杏仁核

D

额叶皮质联合区

E

单一的神经发生源


正确答案： E
解析：
P300起源于额顶叶、丘脑、海马等皮质、皮质下及边缘系统等，而不是单一的神经发生源。

第5题：

各种物理刺激均可诱发出P300电位，最方便最普遍使用的是____P300。


正确答案:听觉

第6题：

关于事件相关电位下列哪项描述是正确（　）

  • A、检查结果不受心理状态的影响
  • B、P300电位可用于测谎研究
  • C、是人对外界或环境刺激的心理反应
  • D、可用于大脑疾病引起认知功能障碍评价
  • E、主要研究认知过程中大脑神经电生理活动

正确答案:B,C,D,E

第7题：

肝性脑病患者不受刺激部位生理特性影响的诱发电位是（）。

  • A、视觉诱发电位
  • B、听觉诱发电位
  • C、嗅觉诱发电位
  • D、P300事件相关电位
  • E、感觉诱发电位

正确答案:D

第8题：

某膳食调查的人群由三类人员组成，其中能量RNI为3200kcal的有12人，3100kcal的有10人，2600kcal的有6人，全部人均进行了2天的膳食调查，该人群的蛋白质平均摄入量为80g/人·日。（15分试题1、某膳食调查的人群由三类人员组成，其中能量RNI为3200kcal的有12人，3100kcal的有10人，2600kcal的有6人，全部人均进行了2天的膳食调查，该人群的蛋白质平均摄入量为80g/人·日。(本体主要考察折合标准人系数)

计算该人群中三种不同能量需要的亚人群的折合标准人系数(P300; P26)


答案：
解析：
各亚人群的折合标准人系数=能量供给量（ kcal）/2400 kcal
（1）摄入能量3200Kcal人群折合系数：3200kcal / 2400kcal＝1.33
（2）摄入能量3100Kcal人群折合系数：3100kcal / 2400kcal＝1.29
（3）摄入能量2600kcal人群折合系数：2600kcal / 2400kcal＝1.08

第9题：

P300潜伏期反映个体智力损害的程度，作为智力康复过程的指标，其最大优点是不必受试者主观配合，客观性能较好。（）


正确答案:正确

第10题：

单选题
As manifested in the experimental study, rapid eye movement is characterized by ______.
A

intensely active brainwave traces

B

subjects’ quicker response times

C

complicated memory patterns

D

revival of events in the previous day


正确答案： A
解析：
细节理解题。答案出自第二段：The particular stage of sleep in which the Belgian group is interested in is rapid eye movement(REM)sleep, when brain and body are active，heart rate and blood pressure increase, the eyes move back and forth behind the eyelids as if watching a movie, and brainwave traces resemble those of wakefulness．

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