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科學家揭祕:爲何新年決心難堅持

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padding-bottom: 71.25%;">科學家揭祕:爲何新年決心難堅持

Uh-oh, the new year's just begun and already you're finding it hard to keep those resolutions to junk the junk food, get off the couch or kick smoking. There's a biological reason a lot of our bad habits are so hard to break – they get wired into our brains.

噢喔,新的一年纔剛剛開始,你就發現很難堅持“告別垃圾食品、遠離沙發、戒菸”這些新年決心了吧?我們很難改掉壞習慣是由於生物學的原因——這些壞習慣根植於我們的大腦中。

That's not an excuse to give up. Understanding how unhealthy behaviors become ingrained has scientists learning some tricks that may help good habits replace the bad.

這並不是讓人放棄新年決心的藉口。瞭解不健康的習慣怎樣變得根深蒂固可以啓發科學家研究出一些讓好習慣代替壞習慣的“技巧”。

"Why are bad habits stronger? You're fighting against the power of an immediate reward," says Dr. Nora Volkow, director of the National Institute on Drug Abuse and an authority on the brain's pleasure pathway.

諾拉•沃爾科夫博士說:“爲什麼壞習慣更加頑固?因爲它能帶來即時的犒賞,而這種即時犒賞的力量很強大。”沃爾科夫博士是美國國家藥物濫用研究所主任,同時也是大腦快樂通道方面的權威。

"We all as creatures are hard-wired that way, to give greater value to an immediate reward as opposed to something that's delayed," Volkow says.

沃爾科夫博士說,“我們的這種天性決定了我們會更看重眼前的好處,而不是遲來的好處。”

Just how that bit of happiness turns into a habit involves a pleasure-sensing chemical named dopamine. It conditions the brain to want that reward again and again – reinforcing the connection each time – especially when it gets the right cue from your environment.

那麼這一點快樂的感覺是怎樣轉化爲一種習慣的呢?這與一種感知快樂的化學物質多巴胺有關。多巴胺使大腦不斷期望得到這種犒賞,從而不斷加強快樂感與這種行爲之間的聯繫,特別是當它能從周圍環境中得到正確的暗示時。

科學家揭祕:爲何新年決心難堅持 第2張

  People tend to overestimate their ability to resist temptations around them, thus undermining attempts to shed bad habits, says experimental psychologist Loran Nordgren, an assistant professor at Northwestern University's Kellogg School of Management.

西北大學凱洛格管理學院副教授、實驗心理學家羅蘭•諾德格倫說,人們往往高估自己抵抗身邊誘惑的能力,這使他們爲擺脫壞習慣而做出的努力毀於一旦。

Even scientists who recognize it can fall prey."I don't like popcorn. But every time I go to the cinema, I have to eat it," Volkow says. "It's fascinating."

即使是能意識到這一點的科學家,也難以倖免。沃爾科夫說:“我不喜歡吃爆米花,但每次去電影院我都會吃。它讓我很難抗拒。”

A movement to pay people for behavior changes may exploit that connection, as some companies offer employees outrightpayments or insurance rebates for adopting better habits.

一項“爲行爲變化買單”的運動可能會對這種聯繫加以利用,在這項運動中,一些公司給僱員提供“即時報酬”或是“保險回扣”,以激勵他們形成更好的習慣。

However paying for behavior plays out, researchers say there are some steps that may help counter your brain's hold on bad habits:

不管這項運動結果如何,研究人員說我們的確可以採取某些行動來對抗壞習慣對大腦的吸引力。

Repeat, repeat, repeat the new behavior – the same routine at the same time of day. Resolved to exercise? Doing it at the same time of the morning, rather than fitting it in haphazardly, makes the striatumrecognize the habit so eventually, "if you don't do it, you feel awful," says Volkow the neuroscientist, who's also a passionate runner.

那就是,重複,重複,再重複你的新行爲,使之成爲每天固定時間的例行活動。下決心鍛鍊?那就每天早上固定時間鍛鍊,而不要隨意找時間,這樣會使大腦紋狀體最終接受這個新習慣。神經學家沃爾科夫也是一個熱愛跑步的人,他說:“如果你哪天沒鍛鍊,就會感覺很糟糕。”