大家好，在阅读文献中，常看到这样的描述：
"The resulting T-map （or  Statistical map） was masked by a grey matter map, which was obtained by segmenting the mean normalized high resolution T1-weighted images of all the subjects, to include only the areas falling in grey matter."

我不确定自己理解的上述mask 做法是否正确，联系了作者，但暂时没有得到回复。故特此发帖与大家确定一下：