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The T1 image is segmented into probability maps and brain masks. The basic brain mask is where gray matter is prob > 0.05, and a liberal "brainmasklots" is created for use as a mask in analyses. This is initially set with prob > 0.1, but that actually does not make a huge difference:
prob > 0. |
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5 | prob > 0. |
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1 | prob > 0.1, close with sphere r = 7 | |
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brainmask_*.nii | brainmasklots_*.nii (pre-2017-08) | brainmasklots_*.nii |
Files are in T1preprocess\GROUP\Study\T1ref_.... Created in cspm_xbrain.m:
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