社交媒体正在改变你大脑的5个疯狂方式：英语精读讲义

With social media sites being used by 1/3 of the entire world, 語法

如今，全球三分之一的人都在使用社交媒体网站，

they've clearly had a major influence on society. 短語搭配

它们显然已经对社会产生了重大影响。

But what about our bodies? 表達脈絡

但它们对我们的身体又有什么影响呢？

Here are five crazy ways that social media and the internet are affecting your brain right now.

下面就是社交媒体和互联网此刻影响你大脑的五种惊人方式。

Can't log off? 短語動詞

无法下线吗？

Surprisingly,

令人意外的是，

5 to 10% of internet users are actually unable to control how much time they spend online. 語法

事实上，5%到10%的互联网用户无法控制自己的上网时间。

Though it's a psychological addiction as opposed to a substance addiction, 短語搭配

虽然这是一种心理成瘾，而不是物质成瘾，

brain scans of these people actually show a similar impairment of regions

但这些人的脑部扫描显示，他们某些脑区的受损情况

that those with drug dependence have.

与药物依赖者相似。

Specifically,

具体来说，

there's a clear degradation of white matter in the regions that control emotional processing, 用詞

负责情绪处理的脑区中，白质出现了明显退化，

attention, and decision making.

而这些脑区也掌管注意力和决策。

Because social media provides immediate rewards with very little effort required,

由于社交媒体几乎不费力就能让人立即获得奖励，

your brain begins to rewire itself,

你的大脑便开始重新连接，

making you desire these stimulations, 語法

让你渴望这些刺激，

and you begin to crave more of this neurological excitement after each interaction.

而每次互动后，你都会渴望更多这种神经层面的兴奋感。

Sounds a little like a drug, 語氣意圖

听起来有点像毒品，

right?

对吧？

We also see a shift when looking at multitasking.

说到多任务处理，我们也发现了一种变化。

You might think that those who use social media 表達脈絡

你可能会认为，那些使用社交媒体，

or constantly switch between work and websites are better at multitasking, 短語搭配

或不断在工作和网站之间切换的人更擅长多任务处理，

but studies have found that when comparing heavy media users to others,

但研究发现，与其他人相比，重度媒体用户

they perform much worse during task switching tests.

在任务切换测试中的表现差得多。

Increased multitasking online reduces your brain's ability to filter out interferences 短語動詞

在网上同时处理的任务越多，大脑过滤干扰的能力就越弱，

and can even make it harder for your brain to commit information to memory, 講解

甚至会让大脑更难把信息存入记忆，

like when your phone buzzes in the middle of productive work.

比如你正高效工作时，手机突然振动。

Or wait,

不对，等等，

did it even buzz?

它真的振动了吗？

Phantom vibration syndrome is a relatively new psychological phenomenon 文化背景

幽灵振动综合征是一种相对较新的心理现象：

where you think you felt your phone go off, 講解

你以为自己感觉到手机振动了，

but it didn't.

其实并没有。

In one study,

一项研究中，

89% of test subjects said they experienced this at least once every two weeks.

89%的受试者表示，他们至少每两周会经历一次这种现象。

It would seem that our brains now perceive an itch as an actual vibration from our phone. 講解

看来，我们的大脑如今会把皮肤发痒当成手机真的在振动。

As crazy as it seems, 語法

尽管这听起来很疯狂，

technology has begun to rewire our nervous systems, 習語

但科技已经开始重塑我们的神经系统，

and our brains are being triggered in a way they never have before in history.

触发我们大脑反应的方式也变得史无前例。

Social media also triggers a release of dopamine, 短語搭配

社交媒体还会触发多巴胺的释放，

the feel-good chemical. 用詞

这种化学物质会让人感觉愉悦。

Using MRI scans,

通过磁共振成像扫描，

scientists found that the reward centers in people's brains

科学家发现，人脑中的奖赏中心

are much more active when they're talking about their own views as opposed to listening to others.

在人们谈论自己的观点时，远比倾听他人时活跃。

Not so surprising,

这倒不那么令人意外，

we all love talking about ourselves,

毕竟我们都喜欢谈论自己，

right?

对吧？

But it turns out that while 30 to 40% of face-to-face conversations 講解

但事实证明，面对面交谈中有30%到40%的内容

involve communicating our own experiences,

是在分享我们自己的经历，

around 80% of social media communication is self-involved.

而社交媒体交流中约有80%的内容都围绕自己。

The same part of your brain related to orgasms, 語法

你大脑中与性高潮、

motivation, and love are stimulated by your social media use,

动机和爱相关的同一区域，也会因使用社交媒体而受到刺激，

and even more so when you know you have an audience. 短語搭配

而且当你知道有人在看时，刺激会更强。

Our body is physiologically rewarding us for talking about ourselves online. 短語搭配

我们在网上谈论自己时，身体会从生理上给予奖励。

But it's not all so self-involved.

但社交媒体也不全是以自我为中心。

In fact,

事实上，

studies on relationships have found that partners tend to like each other more 語法

有关伴侣关系的研究发现，双方对彼此的好感往往更强，

if they meet for the first time online rather than with a face-to-face interaction. 短語搭配

前提是他们初次相识于网上，而不是面对面互动。

Whether it's because people are more anonymous or perhaps more clear about their future goals, 語法

这可能是因为人们在网上更加匿名，也可能是对未来目标表达得更清楚，

there's a statistical increase in successful partnerships that started online.

从统计数据看，始于网络的伴侣关系成功率更高。

So while the internet has changed our verbal communication 表達脈絡

所以，互联网虽然改变了我们的口头交流方式，

with increased physical separation,

让彼此的实际距离变得更远，

perhaps the ones that matter the most end up even closer. 短語動詞

但那些最重要的人，最终或许反而更加亲近。

Speaking of social media, 表達脈絡

说到社交媒体，

we had you ask us questions on Twitter, Instagram, Facebook, Tumblr, Google+, 語法

我们之前请大家通过Twitter、Instagram、Facebook、Tumblr和Google+向我们提问，

and every other social platform we could find

还有我们能找到的其他所有社交平台，

and did a Q&A video over on AsapTHOUGHT.

然后在AsapTHOUGHT上制作了一期问答视频。

So if you feel like getting some insider info on AsapSCIENCE and behind the scenes, 講解

如果你想了解一些AsapSCIENCE的内部消息和幕后花絮，

check it out with the link in the description. 短語動詞

就点击简介中的链接去看看吧。

Got a burning question you want answered? 講解

有什么迫切想知道答案的问题吗？

Ask it in the comments or on Facebook and Twitter.

在评论区，或在Facebook和Twitter上提问吧。

We also finally got a P.O. box 文化背景

我们也终于申请到了一个邮政信箱，

for all of you amazing science lovers who have requested to send us mail or other stuff over the years,

方便这些年来一直想给我们寄信或其他东西的超棒科学爱好者们使用，

and we'd love to hear from all of you. 語氣意圖

我们非常期待收到大家的来信。

So feel free to use the address on the screen or in the description box. 語氣意圖

欢迎使用屏幕上或简介栏中的地址。

And subscribe for more weekly science videos.

记得订阅，每周收看更多科学视频。