Hello,

I ran a second-level analysis for a seed-based correlation project on three cerebellar seeds (Dentate Nucleus Functional Territories). For the between-sources contrasts, I applied a unique effect for each seed. Examples of the contrasts I used are:

DMN DN Territory > Salience DN + Visual DN: [1 0 0; 0 -1/2 0; 0 0 -1/2]

Salience DN Territory > DMN DN + Visual DN: [-1/2 0 0; 0 1 0; 0 0 -1/2]

Visual DN Territory > DMN DN + Salience DN: [-1/2 0 0; 0 -1/2 0; 0 0 1]

For reference, the source seed assignments are:

Source001: DMN DN

Source002: Salience DN

Source003: Visual DN

I also assigned an individual label for each unique effect analysis so that the data would remain organized.

I want to take the contrast maps generated from these analyses into SPM to perform a paired t-test on participant data, specifically to compare contrasts from their 3 T and 7 T resting-state scans.

However, when I check my directory, I see three contrast images per subject, for example:

CON_Subject001_compB001_001.nii  
CON_Subject001_compB002_001.nii  
CON_Subject001_compB003_001.nii

I’m unsure which of these contrast images I should export to SPM for my analysis- also are these automatically Fisher z-transformed or would I need to convert them. Any help would be appreciated!

Thanks,

Zach