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The CSPM SPM files contain the SUIT toolbox. During preprocessing, the SUIT option can be selected to run SUIT on most modalities, including “isolation” and normalizing to SUIT space (details). After preprocessing, the SUIT-specific modalities will be available for stats just like the whole brain ones.

SUIT options in Preprocessing

Option

What it does

Brainstem/Cerelellum (SUIT)

Runs SUIT for all modalities

Will use mask in T1 “SUIT” subfolder in T1preprocess study folders

Require manual mask

Looks for manually created SUIT mask on T1; will not run if it is missing

In SUIT subfolder of T1preprocess

File suffix [[T1 filename]]_manedit”

Apply fMRI-VOI mask

Looks for manually created SUIT mask based on fMRI. Will not run if missing.

In “SUIT” subfolder of fMRI files, in fMRIpreprocess study folders

Typically based of mean fMRI

File is suffix …_SUITVOI_fMRI

Since the fMRI scans are slightly distorted wrt T1’s the SUIT space is slightly different.

Voxel size
(each modality)

Voxel size when reslicing into SUIT normalized space (so what will be analyzed in stats)

Smoothing
(each modality)

Smoothing fwhm

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