AFI is data that can be used to compute a B1+ transmit field
BIAS_32CH and BIAS_BC are data that can be used to compute a B1- receive field
FieldMap_Magnitude and FieldMap_Phase can be used to compute a b0 field
The other I don’t remember why we generated, but probably has something to do 
with removing the obliques from the sform.

Peace,

Matt.

From: 
<[email protected]<mailto:[email protected]>>
 on behalf of Aaron C <[email protected]<mailto:[email protected]>>
Date: Thursday, December 7, 2017 at 8:01 AM
To: "[email protected]<mailto:[email protected]>" 
<[email protected]<mailto:[email protected]>>
Subject: [HCP-Users] A question about the unprocessed structural data


Dear HCP experts,


I have a question about the files in the unprocessed structural data. Could you 
please explain what are the following files in the subject folders? Thank you.


{Subject_ID}.strc_AFI.nii.gz

{Subject_ID}.BIAS_32CH.nii.gz

{Subject_ID}.BIAS_BC.nii.gz

{Subject_ID}.FieldMap_Magnitude.nii.gz

{Subject_ID}.FieldMap_Phase.nii.gz

{Subject_ID}.T1w_MPR1_reorient_sformMod.nii.gz

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