科学与数学journals.plos.org
舞蹈对大脑可塑性的改善优于重复性体育锻炼
Dance is superior to repetitive physical exercise for brain plasticity (2018)
2020 — 2024，它一次次回到首页
黑点是上首页（≥ 50 分）的那次投稿，空心点是没冲上去的投稿，点越大分数越高。
导读
这项2018年发表在PLOS ONE的研究比较了跳舞与传统重复性健身锻炼对老年人大脑的影响，发现跳舞组在更多脑区（如扣带回、脑岛、胼胝体等）出现体积增长，且是唯一伴随血浆BDNF水平上升的组别；两组在注意力和空间记忆上均有改善，但组间认知差异不显著。
为什么经久不衰：它把'跳舞可能比重复锻炼更健脑'这一直觉性猜想带入了对照研究，虽然结论谨慎，但引发了关于身体、认知与社交协调如何共同塑造大脑的持久讨论。
HN 评论精选
批评研究结论：脑结构变化并未转化为可测的认知提升，作者的'稍后显现'只是希望。
看看这段话：跳舞相比常规健身在更多脑区带来体积增长，且只有跳舞组BDNF上升。认知方面两组都有改善，但没有显著组间差异——作者解释说认知收益'可能稍后出现'。翻译一下：他们测到了容易测量的改善，希望这能转化为认知能力提升，但实际上没有，于是寄希望于'以后会有的'。（顺便说，我是活跃的林迪舞舞者，我热爱跳舞。）
hannob查看英文原文
Looking at this: "Dancing compared to conventional fitness activity led to larger volume increases in more brain areas, including the cingulate cortex, insula, corpus callosum and sensorimotor cortex. Only dancing was associated with an increase in plasma BDNF levels. Regarding cognition, both groups improved in attention and spatial memory, but no significant group differences emerged. The latter finding may indicate that cognitive benefits may develop later and after structural brain changes have taken place." May I translate: They saw improvements in things they could easily measure. They hope this translate into improved cognitive ability. But it actually didn't. But they still hope it'll do that later. (FWIW: I'm an active Lindy Hop dancer - ok, I have been before covid... - I love dancing and I am really looking forward to when I can visit dance festivals again.)
以舞者身份描述跳舞的独特性：全身心投入的' wearable 乐器'。
我跳了30年舞，涉猎多种舞种。向非舞者描述跳舞的最好方式是：它像在演奏一件无声的、穿在身上的乐器，需要你整个身体的专注。它不像体育运动——除非你是竞技性的。
networkimprov查看英文原文
I've been a dancer for 30 years, of many forms. The best way I can describe dancing to non-practitioners is that it's like playing a silent, wearable musical instrument that demands attention from your entire body. It is not like playing a sport, except perhaps if you do it competitively :-)
推论：需要快速应变环境的户外运动可能比跳舞更健脑。
如果假说的机制成立且是连续的，那么需要高度应对不断变化环境的户外运动（滑雪、山地车、攀岩、冲浪、白水皮划艇等）可能比跳舞效果更好。
skookum查看英文原文
If the postulated basis is correct and acts on a continuum, it wouldn't be a huge leap to think that doing physically challenging outdoor sports that require a high degree of reaction to constantly-changing surroundings would be even better than dancing. Sounds like a case for skiing, mountain biking, climbing, surfing, whitewater kayaking, etc.
认为关键在于身体活动与社交协调的结合，而非运动强度本身。
这在我看来是常识。研究中的舞蹈不只是身体动作，还要跟上群体动作，需要读懂'群体'的位置并给个体差异留出空间。我好奇一个体力要求较低但同样需要群体协调的活动是否有类似效果——我怀疑身体性与社交协调的结合才是关键。我们既是大脑也是身体，忽视任何一方长期都不健康。
aeturnum查看英文原文
This feels like common sense to me. The dance they describe isn't just physical movement, it's also staying within a group movement which requires both reading where "the group" is and giving space to individual differences. Obviously the focus here is on exercise but I would be curious if a less physically demanding but similarly grouped activity would have similar effects on brain function. I suspect that linking physicality and social coordination is key. We are both brains and bodies and neglecting either is unhealthy in the long term.
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