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在线翻译:
szdaily -> Speak Shenzhen
Smartphone makes you less intelligent
    2017-July-6  08:53    Shenzhen Daily

It has long been believed that the smartphones in our pockets are actually making us dumber; but now there is evidence for it.

The constant presence of a mobile phone has a “brain drain” effect that significantly reduces people’s intelligence and attention spans, a study has found.

Researchers at the University of Texas discovered that people are worse at conducting tasks and remembering information if they have a smartphone within eye shot. In two experiments they found phones sitting on a desk or even in a pocket or handbag would distract users and lead to worse test scores even when it was set up not to disturb test subjects.

The effect was measurable even when the phones were switched off, and was worse for those who were deemed more dependent on their mobiles.

“Although these devices have immense potential to improve welfare, their persistent presence may come at a cognitive cost,” said Dr. Adrian Ward, the lead author of the study. “Even when people are successful at maintaining sustained attention — as when avoiding the temptation to check their phones — the mere presence of these devices reduces available cognitive capability.”

The researchers tested 520 university students on their memory and intelligence when in the presence of a smartphone to see how it affected them.

Participants were told to complete tests in mathematics, memory and reasoning with their smartphones either on their desk, in their bag or pockets, or in another room, and with alerts turned off so as not to distract students.

Those who had their phones on the desk recorded a 10 percent lower score than those who left them in a different room on operational span tasks, which measures working memory and focus. Those who kept their phones further out of sight in their pockets or their bags scored only slightly better than when phones were placed on desks.

The study also found reaction speeds to be affected, with students who had their phone on the desk responding more sluggishly in high-pace tests.

It even found that phones can even distract users even when they are turned off and placed face down.

Those with phones outside of the room “slightly outperformed” those with switched off devices.

Words to Learn 相关词汇

【诱惑】yòuhuò temptation a strong desire to have or do something even though you know you should not.

【迟钝】chídùn dull not able to think quickly or understand things easily.

人们一直都觉得口袋里的智能手机让我们越来越笨了,现在有科学证据来证明了。

研究发现,手机的长期在场会产生一种“脑力流失”效应,会严重地降低人们的智力和专注时长。

德克萨斯大学的研究人员发现:当手机在视线范围内时,人们在处理任务和记忆信息方面的表现会更糟糕。在两组实验中,他们发现只要手机放在桌上甚至只放在口袋或手提包里,即便设置成防干扰模式,也能让人分心并且导致更低的测试分数。

即使处于关机状态,手机的影响仍然很大,对严重依赖手机的人影响更大。

这项研究的主要作者阿德里安·沃德博士表示:“尽管这些电子设备可以极大地便利生活,但手机总放在身边会导致认知能力下降。即使能够成功保持长期注意力,也就是能抵挡查看手机的诱惑,现有的认知能力也会因手机在场而降低。”

研究人员共测试了520名大学生,通过测试他们的记忆力和智力来研究智能手机在场与否对他们的影响。

实验中,手机被分别放在桌子上、包里、口袋里或其他房间,参与者在不同情况下完成了数学、记忆和推理方面的测验。为了不打扰测试者,手机提示音都被关闭了。

与手机放在其他房间的人相比,手机放在桌子上的参与者在操作时长任务方面得分要低10%,这种任务主要是考查工作记忆力和注意力。而将手机放在口袋或包里等视线之外的参与者得分仅仅比手机放在桌子上的人高一点。

研究还发现,反应速度也会受到影响。当手机放在桌子上时,学生们在快速测验中的反应更加迟钝。

研究甚至还发现:即便处于关机状态并且面朝下放,手机也能让人分心。实验中,将手机放在房间外面的参与者的表现要略微胜于关机的参与者。(Chinadaily.com.cn)

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