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Science:同步跳舞缓解疼痛

摘要 : 当你请数百位巴西高中生跳一跳peão(葡语,意为路人、小兵等),一种被译为“水牛牛仔”的流行舞步的时候,你会看到什么?他们并不只是像马儿一样小跑着,将双臂高举过头,仿佛挥舞着套索——他们还同时与朋友们联结得更紧密,痛苦耐受性也提高了,据一项新的研究说。

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当你请数百位巴西高中生跳一跳peão(葡语,意为路人、小兵等),一种被译为“水牛牛仔”的流行舞步的时候,你会看到什么?他们并不只是像马儿一样小跑着,将双臂高举过头,仿佛挥舞着套索——他们还同时与朋友们联结得更紧密,痛苦耐受性也提高了,据一项新的研究说。更重要的是,如果他们的舞步都能同步,那么他们的社会关系将得以提升,他们的疼痛阈值也会提高,新研究显示。研究人员招募了巴西马拉若岛当地学校的264名学生,让他们学习了四个舞蹈动作,接着他们可以一起表演,也可以随着一个琅琅上口的 每分钟130拍的电子舞曲节拍随意起舞。科学家们发现,同步起舞显著提高了学生们同自己舞伴之间的联系感。一起跳舞还减少了学生们对疼痛的敏感程度:在跳舞前后,科学家们给这些青少年们的手臂上戴上了血压袖带,然后缓慢且安全地给它们充气,同时让同学在不舒服的时候说出来。那些与他人共同起舞的学生在舞蹈结束后能够多承受20个单位的压力,这意味着他们的疼痛反应很可能已经被大脑释放的一种叫做内啡肽的化学物抑制了。虽然体力消耗也释放内啡肽,但这并不能解释这些发现,研究人员说:即使那些做出坐下动作的学生也显示出疼痛敏感性降低,且与同伴的亲密程度增加。这项研究发布于今天的《生物学快报》上,同以往的研究一致,均表明那些同步轻跳或是同步走的人们更为互相信任,也更愿意互相帮助,研究团队说。他们补充道,涉及同步运动的治疗方法可以帮助那些患有自闭症的人们形成社会关系。

原文链接:

Synchronized dancing relieves pain

原文摘要:

What do you get when you ask hundreds of Brazilian high school students to dance the peão—a popular move that translates to “buffalo cowboy”? They won’t just trot like horses and raise their arms over their heads as if swinging a lasso—they’ll also form stronger bonds with friends and increase their pain tolerance, according to a new study. What’s more, they’ll boost their social connections and raise their pain thresholds if they all dance in sync, a new study shows. Researchers recruited 264 students from local schools on Marajó island in Brazil to learn four dance moves, then perform them either together or out of sync to a catchy, 130-beat-per-minute electronic dance beat. Doing the moves in sync significantly increased how bonded the students felt to their fellow dancers, the scientists found. Dancing together also decreased the students’ sensitivity to pain: Before and after dancing, the scientists put blood pressure cuffs on the teenagers’ arms and slowly—but safely—inflated them, asking the students to say when they were uncomfortable. Those who had danced in sync with one other were able to tolerate 20 additional units of pressure after the session, suggesting that their pain response had likely been dulled by the release of brain chemicals called endorphins. Although physical exertion also releases endorphins, that didn’t explain away the findings, the researchers say: Even students who did the movements sitting down showed decreased pain sensitivity and an increased sense of closeness to their fellows. The research, published today in Biology Letters, fits with previous studies showing that people who tap in synchrony, or walk step in step, trust each other more and are more willing to help one another, the team says. They add that therapies involving synchronized movement could help people with autism form social connections.

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