That file has had linear trends removed (sigma=2000s highpass filtering), 24
movement parameters removed, and noise ICA components removed. It has not had
global physiological noise removed as we have not yet released a good way of
doing this. No spatial smoothing has been applied. In general, we don't
recommend using this data for cross-subject analysis because of poor alignment
across subjects from non-linear volume registration. The recommended data to
use is the CIFTI data aligned on the surface with areal feature-based
registration:
${StudyFolder}/${Subject}/MNINonLinear/Results/${fMRIName}/${fMRIName}_Atlas_MSMAll_hp2000_clean.dtseries.nii
Peace,
Matt.
From:
<[email protected]<mailto:[email protected]>>
on behalf of "Horn,Andreas (BIDMC - Neurology)"
<[email protected]<mailto:[email protected]>>
Date: Friday, November 11, 2016 at 5:41 PM
To: "[email protected]<mailto:[email protected]>"
<[email protected]<mailto:[email protected]>>
Subject: Re: [HCP-Users] L-R or R-L phase encoding?
Dear HCP-Users,
I am looking for preprocessed rs-fMRI data of all 900 HCP subjects (if
available).
Would the file:
HCP/hcp-openaccess/HCP_900/100307/MNINonLinear/Results/rfMRI_REST1_LR/rfMRI_REST1_LR_hp2000_clean.nii.gz
be such a file? I.e. is it already preprocessed in a standard way? I learned it
is cleaned by ICA but what else has been done with it?
I know about the four runs and how to concatenate them after subtracting the
mean signal as described
here<https://www.mail-archive.com/[email protected]/msg01558.html>.
Thanks so much for your help,
Andreas
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