B1 中級 美國腔 6174 分類 收藏
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[Woman] Social media has become part of our nature.
We post, we share, we like,
we follow, we unfollow, we subscribe.
But how is social media affecting us?
A small study of 20 college students found
a correlation between students who demonstrated higher levels of Facebook addiction
in activity of the amygdala striatal system while they interacted with Facebook signals.
This activation was the same scene in those with substance addiction.
In a 2016 UCLA study, teens were split into two groups.
One were shown a photo with a high number of likes,
and the other group was shown the same photo but with fewer likes.
Those who viewed the photo with more likes,
were more likely to like the photo themselves than the group who saw the photo with fewer likes.
Again, it was the same picture.
This experiment found activity in multiple parts of the brain when teens saw photos they took receive a lot of likes.
In particular, this study found significant activity in part of the brain's reward circuitry
known as the nucleus accumbens.
Dopamine is released in the brain after positive social stimuli,
such as likes and positive comments on social media.
That photo she just posted, she got a bunch of likes,
releasing dopamine into her brain
and causing a feeling of satisfaction.
(loud applause)
(loud upbeat music)
Psychologist B.F. Skinner found that
mice would respond to certain stimuli they knew resulted in a reward more often when the reward came at variable times.
This theory can also be applied to social media,
and the times we check it looking for a reward in terms of a like, comment, or message.
We habitually check our accounts,
but we are not always rewarded.
Maybe this photo didn't get the amount of likes you wanted.
So you will try again and again and again,
looking for that reward.
But wait, something else.
Have you ever felt your phone vibrate when it really didn't?
According to Robert Rosenberger of the Georgia Institute of Technology,
we've become so connected to our phones that they've sort of become part of our bodies.
Any time something stimulates and triggers sensation in any area where you keep your phone,
you might believe it's your phone.
This is called phantom vibration syndrome.
Studies show that nearly 90% of people report experiencing these phantom vibrations.
(machine hums)
(playful instrumental music)
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社群網站如何影響你的大腦? (How Social Media Affects Your Brain)

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April Lu 發佈於 2018 年 11 月 5 日    April Lu 翻譯    Evangeline 審核
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