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没什么能比得上好好睡上一觉了，它不仅能让你精神焕发、容光满面，还可能增强你的记忆力。《科学》（Science）杂志上的一项研究表明，在脑力训练后小憩片刻有助于巩固学习成果，而睡眠中听到的声音可以触发联想，进一步强化记忆。实验中，十几名受试者参加了一项记忆测试。他们需要在电脑屏幕上学习 50 个物体的摆放位置，每张图片都配有独特的小音效，比如一张碎掉的高脚杯图片配的是玻璃破碎的叮铃咣啷声，炸药棒配的是爆炸声。
一旦受试者学会了将图片移至正确的位置，他们就被带到一个暗室，戴上监测设备，然后小睡一会儿。在他们睡着的同时，研究人员……[查看全文]
Sound During Sleep Fixes Learning
There’s nothing like a good nap. It can refresh your mood—and possibly your memory. Because a study in the journal Science shows that a quick snooze after a mental workout helps to consolidate learning. And that sounds heard during sleep can trigger associations that sharpen memory even more.
A dozen subjects took a memory test in which they learned the positions of 50 objects on a computer screen. Each picture was paired with its own little sound effect. So, an image of a shattering wine goblet was accompanied by the tinkle of breaking glass. [glass break sound] Little sticks of dynamite? [boom sound] And so on.
Once the subjects had learned to put the pictures where they belong, they were escorted to a dark room, fitted with electrodes, and encouraged to take a little nap. While they slept, scientists...[full transcript]
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