纪录片《熟食造就了人类吗》 第44期：对脂肪的渴求（在线收听）

One part of that brain seems to be in overdrive

似乎脑中某一部分过于强盛

when confronted by our Western world of plenty.

使我们无法抗拒西方世界的种种诱惑

More?

还有吗

I might have to reposition that one.

可能要把那个放回去

Dr Susan Francis and her colleagues

苏珊·弗朗西斯博士和她的同僚

are showing just how powerful

正为我们展示

is our brain's drive for energy-rich, fatty foods.

脑部对于高能高脂的食欲有多强

OK, I think we're ready.

准备好了

So we're interested in

我们正研究

which parts of the brain are responding

大脑的哪一部分

to different concentrations of fat and fat levels.

会对脂肪浓度做出反应

Fat's very important,

脂肪非常重要

because people are always craving more fats,

因为人们总是渴望更多脂肪

and the reward concepts of fat,

以及进食脂肪时的兴奋反馈

and we're interested in

我们所感兴趣的

which parts of the brain are being used

就是大脑的哪一部分是用来

for those responses to fat.

操纵我们对脂肪的渴求欲的

Works perfectly. OK.

运行正常 好的

The team prepares a series of energy-rich drinks,

研究组准备了一些高能饮料

whose fat content ranges from 5% to 30%.

脂肪含量从5%到30%不等

Here it comes. OK.

我倒了 好的

A subject is put into an MRI scan,

研究对象正在做核磁共振扫描

which will register his brain's responses.

机器会记录他大脑所作出的反应