1个团块mask为ROI提取vmhc值结果ROISignals.txt文件2列数值?

为什么1个团块mask为ROI提取vmhc值结果ROISignals.txt文件会出现2列数值?附上该mask和结果文件。会不会是因为该团块靠近左右半球的中间?这两列数值我应该选择哪个列作为我的结果?

AttachmentSize
Plain text icon ROISignals_s1_18-40.txt3.32 KB
Binary Data re_output_3.nii530.88 KB

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Because there were two values in your mask file: 1 and 2.