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You're gonna be shown a word on the left...
你会看到左边有一个词
what we do here in the Sleep and Neuroimaging Lab at Berkeley
在伯克利分校的睡眠与神经成像实验室
is we try to understand the role of sleep and memory processing
我们尝试着理解睡眠的作用以及记忆的过程
This study is trying to understand why it is that sleep is worse in older people
这项研究的目的在于 理解为什么老年人的睡眠质量变差
and whether or not memory problems are one of the consequences of that
以及记忆力障碍 是否是睡眠质量下降的一个后果
We found in the study was that sleep is an important contributor
我们在研究中发现 睡眠在对于老年人的记忆力下降方面
to memory decline in later life
产生了非常大的影响
In other words if you have bad sleep
换句话说 如果你的睡眠不好
your memory is a lot worse
那么你的记忆力也不好
What it highlights is that there is a potential that if we can improve sleep
这就是说 有可能通过改善睡眠质量
we can actually improve memory
来改善记忆
We have them study word pairs
我们要求研究对象学习词组
Specifically a word paired with a nonsense word
具体来说 就是一个词搭配一个没有意义的词
We want them to have a memory test
我们对他们进行记忆力测试
to really tag part of the brain called "hippocampus"
以研究大脑海马状突起的活动
A really hard memory test
这是一个较难的记忆力测试
that will make it more challenging for older adults
对老年人来说挑战不小
They first see them and then study them and then we test them on the after sleep
他们先看这些词 然后学习它们 然后我们在他们睡了一觉之后对他们进行测试
to see how much of those memories they retained
看他们还记得多少词
We put electros on their head
我们在他们的头上安装电极片
so that we can monitor their sleep using something called EEG Electroencephalography
对他们的睡眠进行监测 我们使用EEG 也就是脑电图
