邊做題邊騎單車，會讓你騎得更快｜科學60秒

腦力訓練讓運動效果加成

如果你像我一樣，你就知道一心多用並不總是節省時間的。你會放慢速度或者犯更多需要修正的錯誤，但也可能是我的打開方式不對。一項研究表明，在騎固定自行車（動感單車）的同時做腦力測試能加快人們的登車速度。

研究人員也對這一結果感到吃驚，他們原本計劃的是像其它研究那樣，證明人們同時做兩件事時會把兩件事都做的很爛。這一反直覺的發現發表在《公共科學圖書館·綜合》（PLoS ONE）雜誌上。

在實驗中，受試者要完成一系列由簡單到困難的認知工作：從看到屏幕上的藍星就說『go』，到記住一長串數字並倒背出來。他們先是坐在安靜的房間里完成一遍這些任務，然後在騎車的同時再來一遍。

Rare Multitasking Plus: Brain-Teasers Enhance Workout

If you』re like me, you know that multitasking?does not always save time. You?slow down or make mistakes?that require fixing. But maybe I』m just doing the wrong things. Because a new study shows that people on a stationary bike pedaled faster when they simultaneously tackled some sort of mental test.

Even the researchers were surprised by that result. They had originally set out to demonstrate what other studies have shown: that when people try to do two things at once, they do both more poorly. Their?counterintuitive?finding is in the journalPLoS ONE.

In the experiment, subjects were asked to complete various cognitive jobs that ranged in difficulty—everything from saying 『go』 when they saw a blue star on a projection screen to remembering a long list of numbers and then repeating them back in reverse order. They tackled these tasks once while sitting in a quiet room and again while on the bike.

Turns out, cyclists rode 25 percent faster when they were distracted by some mental gymnastics—but...[full transcript]

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