Dear FSL experts,
The brain extraction works well on our images using the Bias field & neck cleanup (can be useful in SIEANA) BET option. Since the *_brain output images of BET are already bias field corrected my question is whether using this option in FSL_VBM or in SIENA is OK or not? As far as I know both FSL_VBM and SIEANA will use FAST in the processing pipeline which will run bias field correction again, so the images will be bias-field corrected twice. Is it a problem?
Best regards,
Gabor
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