首页
登录
职称英语
What if we could read the mind of a terrorist? Researchers at Northwestern Uni
What if we could read the mind of a terrorist? Researchers at Northwestern Uni
游客
2023-08-06
43
管理
问题
What if we could read the mind of a terrorist? Researchers at Northwestern University in Chicago say they have taken a step closer to that reality with a test that could uncover evil plans by measuring brain waves.
In a study published in the journal Psychophysiology, psychologists John Meixner and Peter Rosenfeld used electrodes (电极) to measure the brain waves of 29 undergraduates who had been told to mock-plan either a terrorist bombing in Houston in July, or a vacation in a different city in a different month. The researchers then presented the students with the names of various cities, methods of terrorist attack and dates. As they did so, they scanned the subjects’ brains. They watched for a particular brainwave—dubbed the P300, because it fires every 300 milliseconds— which signals recognition of something familiar.
"The P300’s amplitude (振幅) is very large when you see an object that is rare and personally meaningful to you," Meixner says. "So the amplitude of P300 was large when we presented the word ’Houston’, the city where the attack was planned. In total we were able to identify 10 out of 12 ’terrorists’". The investigators also correctly matched 20 out of 30 crime-related details, such as types of explosives and specific sites and dates.
The P300’s potential as a method for confirming concealed information was first recognized in the 1980s. But while it has long been touted as a possible substitute for the polygraph test, it has yet not been used by law enforcement anywhere in the world. One of the reasons is that it becomes difficult to use if investigators do not know the information they are trying to confirm. For instance, in Meixner and Rosenfeld’s study, the researchers would have struggled had they not known that the city in which the attack was planned was Houston, since it would be only by luck or guesswork they would have included it in the sample list of names.
What’s more, the F300 is vulnerable to what scientists call "confounding factors". For instance, if the mock-terrorists in the study were raised in Houston, which was also the location of the attack, the researchers would not know for sure what was causing the P300 spike.
But Meixner and Rosenfeld say that despite these shortfalls, the technology holds more potential than the polygraph. The polygraph measures responses like respiration and sweating, which can certainly be triggered by a lie, but can also result from any high-stress situation including the mere experience of being interrogated by a police officer. While there is nothing that can correct this problem with polygraphs, P300s can at least be made more accurate by increasing the number of details you show a suspect. [br] How can the P300 be made more accurate?
选项
A、By measuring responses like respiration and sweating.
B、By triggering a lie or getting rid of any high-stress situation.
C、By eliminating the interrogation of the police.
D、By presenting more details to a suspect.
答案
D
解析
转载请注明原文地址:https://tihaiku.com/zcyy/2902069.html
相关试题推荐
[originaltext]Bitcoinisadigitalcurrencyusedbyterroristsanddrugdea
[originaltext]Bitcoinisadigitalcurrencyusedbyterroristsanddrugdea
[originaltext]Bitcoinisadigitalcurrencyusedbyterroristsanddrugdea
Whatifwecouldreadthemindofaterrorist?ResearchersatNorthwesternUn
Whatifwecouldreadthemindofaterrorist?ResearchersatNorthwesternUn
Whatifwecouldreadthemindofaterrorist?ResearchersatNorthwesternUn
Researchershavesuggestedthatone’semotionalintelligence(EQ)isagreater
Researchershavesuggestedthatone’semotionalintelligence(EQ)isagreater
Researchershavesuggestedthatone’semotionalintelligence(EQ)isagreater
Whatifwecouldreadthemindofaterrorist?ResearchersatNorthweste
随机试题
E-commerceIsHeretoStayNeitherthe
I’vejustbegunlearningEnglish.Iama(begin)______.beginner意思为“新手”。
A. B. C. D.
下列属于免征环境保护税的情形有( )。A.规模化养殖排放应税污染物的 B.机动
患儿,6岁。发热咳嗽5天。证见发热,无汗,呛咳不爽,呼吸气急,痰白而稀,咽不红,
反治法是()A.反常的治疗方法 B.逆其疾病的现象而治 C.逆着疾病的
使用屏幕保护程序时,下列说法正确的是()。A.可以延长显示器显像管的寿命
材料1 在北方某省的一个乡镇,上级要求村里建设村级综合性文化服务中心,
金融机构应当建立健全涉及金融消费者权益保护工作的( )机制。A.事前协调 B
1.背景 我国华北某新建机场A标段在土方施工结束后,施工单位按要求对分项工程进
最新回复
(
0
)