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T2* estimation appears to use dummy volumes #3507

@tsalo

Description

@tsalo

What happened?

The T2* estimation and optimal combination step for multi-echo data appears to include non-steady-state volumes in the T2* estimation part. While it makes sense to optimally combine all volumes, the non-steady-state volumes could have some (almost certainly very small) effect on the T2* and S0 estimates.

What command did you use?

n/a

What version of fMRIPrep are you running?

25.1.4 (current)

How are you running fMRIPrep?

Docker

Is your data BIDS valid?

Yes

Are you reusing any previously computed results?

No

Please copy and paste any relevant log output.

Additional information / screenshots

Related to ME-ICA/tedana#1247.

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