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Question Posted 02/16/18:
What are the PhaseEncodingDirections of the DTI ANDI3 Basic Scans for the Bo values? Is it alternating A-P/P-A?
Response posted 03/21/18 by ADNI MRI Core:
Thank you for your question to the ADNI MRI Core.

PE should not be alternating. We built the protocols to be P to A, but at times we see sites that do flip to A to P which are marked correct but not to protocol, if the phase is R/L or L/R those scans are failed.


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