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September 02, 2018 11:40PM
AFNI experts,

I used Multi-Band Accelerated EPI Pulse Sequences, so-called CMRR protocol.
TR = 460 ms, voxel size = 2.7 mm

When I used this protocol, additional 4 images for distortion corrections (two for each of polarity, A->P or P->A) were acquired before actual fMRI scanning.
Also, for each run, there were additional reference images.
I heard that I can use FSL function, "topup" for correcting distortion using the four images.
Also, I heard that for each run, I can use the reference image when I perform motion correction.

Is there any AFNI script for this procedure of preprocessing?
I don't know how to use these additional images in addition to conventional AFNI preprocessing (guided by
Thank you in advance.

Sungshin Kim
Subject Author Posted

Preprocessing data acquired using CMRR protocol

sungshinkim September 02, 2018 11:40PM

Re: Preprocessing data acquired using CMRR protocol

rick reynolds September 04, 2018 08:49AM

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