In some areas, light and temperature information was also collected.

在一些地区，还收集了光照和温度信息。

They came to an area lit by torches.

他们来到了一片被火把照亮的地方。

So, normally active areas go quiet and usually dark areas light up with activity.

因此，通常活跃的区域会安静下来，而通常黑暗的区域会因活动而亮起。

Tickling is a type of itch almost, and we found that when people have done functional neuroimaging studies of the brain while being tickled that two areas light up.

挠痒痒几乎是痒的一种，我们发现，当人们在被挠痒痒时对大脑进行功能神经成像研究时，两个区域会发光。

Prior to technological advances in neuroimaging, like functional MRIs, doctors couldn't see what was happening in the brain and observe what areas lit up with various stimuli.

在神经影像学技术进步（如功能性核磁共振成像）之前，医生无法看到大脑中发生了什么， 也无法观察哪些区域受到各种刺激而亮起。