单词grey matter
na.: (脑的)灰质；头脑；智力
网络: 灰色物质；灰质区；重要的灰质
（人的）头脑，脑子:
a person"s intelligence
智力
头脑
(脑的)灰质
灰白质
A strong link was found between the number of Facebook friends a person had and the amount of grey matter in certain parts of their brain.
结果发现，一个人在脸谱网上的朋友人数和他们的大脑中某些部分的灰质数量有着紧密的联系。
This sort of global contest for grey matter certainly makes for a bracing environment.
这种对智力人才的全球性竞争当然会产生一个令人振奋的环境。
But the researchers also found a greater volume of grey matter in the hippocampus of older adults who used spatial strategies.
研究人员还发现，使用空间策略的老年人其海马体灰质的体积更大。
More generally, men seem to rely more on their grey matter for their IQ, whereas women rely more on their white matter.
大体上说男性的IQ依靠灰质，而女性则更多依赖于白质。
The tests showed that those with chronic sleep problems had lower grey matter density in brain areas used to make decisions.
实验表明，有习惯性失眠问题的人在大脑相关区域的灰质密度相对较低，这个区域正是人们用来作出决定的。
Comparing grey matter between the two groups revealed atrophy within several small regions of all the online addicts" brains.
这两组的灰色神经组织对比揭示出网瘾少年的大脑在几个小区域里都有萎缩的现象。
In any event it seems size does matter, at least when it comes to grey matter .
规模的重要性看来体现在万事之中，至少大脑问题如是。
Cognitive decline with aging has been linked to white and grey matter deterioration in certain parts of the brain.
随着年龄的增长，认知能力的下降与大脑中某些特定部位的白质和灰质的退化有关。
Scientists had previously believed that the human brain was incapable of adding grey matter over short periods of time.
科学家们以前认为人类大脑灰质不能在短时间内增加。
Even though a woman"s brain is 10% smaller than a man"s brain, it has less grey matter and more white matter.
虽然女性大脑比男人的要小10%，其拥有的白质却比灰质多。