white matter

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So using brain imaging, she focused on the white matter, or nerve tissue, of the brain.
因此，观察大脑成像时，她将注意力放在大脑的白色物质即神经组织上。
She reports in her recent study a marked difference in the white matter of the binge drinkers.
在近期的研究，她报告说，发现了酗酒人员的大脑白色物质中有显著差异。
"White matter is very important for the relay of information between brain cells; and we know that it is continuing to develop during adolescence, " Tapert says.
“白色物质对于信息在脑细胞间的传递是非常重要的；我们知道，整个青春期内它还在不断发育，”泰普特说。

"We see that men have greater volume loss, the men have greater changes in their white matter,"
The test of this then is to have blind auditions where people do their auditions behind a screen so you can't tell whether they're man or a woman, or for that matter, white or black or Asian or whatever.
然后他们进行闭幕试演以作测试,演奏的人被一块屏风挡住,看不出演奏的是男人还是女人，或者白人还是黑人，亚洲人还是其他人。
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The White House has promised a thorough investigation of the matter, and steps to guard against a repeat of the tragedy.

They then analyzed the gray and white matter of their brains using high-tech MRIs.
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the pale tissue containing nerve fibres (= structures like threads) found in the brain and spinal cord

the whitish tissue of the brain and spinal cord, consisting mainly of myelinated nerve fibres (Technical name substantia alba)&rarrcompare grey matter