Social Rewards and Gray Matter: Why Are They Linked?

社会奖励与灰质：为什么它们有关？

There is sparing of gray matter and subcortical U-fibers.

灰质和皮质下u形纤维尚正常。

But do city birds really need more gray matter to make it?

但是就因为这样，城里小鸟就需要变得更聪明吗？

It's called gray matter but that's just because it's out of the head.

叫做灰质，但那只是因为它离开了头颅。

Gray matter refers to the brain tissue that controls thinking and memory.

灰质是大脑中控制思考和记忆的组织。