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Hello Freesurfer Team:

Because of ensuring that results are exactly the same from run to run,
norandomness flag is used with recon-all.

To better understand the randomness, we have a few questions listed below.

1. Which algorithms inside the recon-all use the seeded random number?
And what randomness is about?
2. Is there a way to use a seed value to ensure the same data can be
reproduced?
3. Whether we are compromising anything by going with the non-random option?

Thank you very much for your time and looking forward to hearing from you.

Best regards
Xin
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