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Dear FSL and BIDS experts, epi_reg currently expects phase encoding direction to be specified as follows: --pedir=<dir> : phase encoding direction, dir = x/y/z/-x/-y/-z The BIDS standard, however, implements "PhaseEncodingDirection": "j-", like this (j- = -y). It is very useful to pull echo spacing and echo timing values directly from the json, but, unless I'm missing something, we cannot do this with phase encoding direction. Are there plans to address this issue either on the BIDS side or the FSL side? Or, am I missing something? Thanks very much, Dianne -- Dianne Patterson, Ph.D. Research Scientist [log in to unmask] <[log in to unmask]> or [log in to unmask] University of Arizona Speech and Hearing Science 314 1131 E 2nd Street, Building #71 (Just East of Harvill) ============== If you don't hear back from me (and you expected to), I blame the University's new SPAM filter. Please write to my gmail account. ============== Antipiphany: That moment when you realize how little you actually know ==============